ABB PQFS Installation, Operation And Maintenance Instructions

Manual is about: Power Quality Filter

Summary of PQFS

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    Power quality filter pqfs installation, operation and maintenance instructions.

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    2 table of contents  manual power quality filter pqfs table of contents 1 introduction to this manual......................................................................................... 6 1.1 what this chapter contains ..............................................................................

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    Manual power quality filter pqfs  table of contents 3 6.12 electrical connections to the pqf-manager user interface ................................. 54 6.12.1 cabling of remote control functionality ........................................................ 56 6.12.2 cabling of alarm functionality ....

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    4 table of contents  manual power quality filter pqfs 7.9 the ‘about pqf’ menu ...................................................................................... 108 8 commissioning instructions .................................................................................. 109 8.1 what this...

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    Manual power quality filter pqfs  table of contents 5 10.3.8 step 8: restart the filter ............................................................................. 143 10.4 fan replacement ................................................................................................ 143 10.5 dc...

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    6 introduction  manual power quality filter pqfs 1 introduction to this manual 1.1 what this chapter contains this chapter gives basic information on this manual. 1.2 intended audience this manual is intended for all people that are involved in integrating, installing, operating and/or maintaining ...

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    Manual power quality filter pqfs  safety instructions 7 2 safety instructions these safety instructions are intended for all work on the pqfs. Neglecting these instructions can cause physical injury and death. All electrical installation and maintenance work on the pqfs should be carried out by qua...

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    8 safety instructions  manual power quality filter pqfs warning: the neutral current in a pqfs filter may be as high as 3 times the line current hence do not use a 4 pole breaker to connect this type of filter as the rating of the neutral pole may not be adequate..

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    Manual power quality filter pqfs  upon reception 9 3 upon reception 3.1 what this chapter contains this chapter gives basic information on how to inspect, transport, identify and store the pqfs active filter. 3.2 delivery inspection each pqfs is delivered in a box designed to protect adequately the...

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    10 upon reception  manual power quality pqfs table 1: maximum allowed ambient conditions during transportation transportation (in the protected package) temperature -25 to 70°c (-13 to 158°f) relative humidity max. 95% contamination levels (iec 60731-3-3) chemical class 3c3 (a) mechanical class 3s3...

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    Manual power quality filter pqfs  upon reception 11 • remove the filter protective cover and put it at the bottom side of the filter (see figure 3 ) figure 3: lifting the protective cover and putting it at the bottom side of the filter • unplug the pqf-manager from the main system (see figure 4 ). ...

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    12 upon reception  manual power quality pqfs figure 6: lifting ribbon and the two pieces of rubber from the pqfs accessories package • place the lifting ribbon and the two pieces of rubber as shown in the figure 7. Figure 7: way to install the lifting ribbon and the two pieces of rubber • slide the...

  • Page 13

    Manual power quality filter pqfs  upon reception 13 figure 9: lifting a pqfs unit from a horizontally position may damage the lifting ribbon • use the lifting ribbon from the both soft eyes to lift the filter from the wooden support. It can then be positioned at the desired location (see figure 10 ...

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    14 upon reception  manual power quality pqfs figure 11: bad using of the lifting ribbon to lift the pqfs 3.5 identification tag each pqfs is fitted with nameplates for identification purposes. The filter nameplate is located at the top right of the master panel door, at the outside. The nameplate i...

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    Manual power quality filter pqfs  hardware description 15 4 hardware description 4.1 what this chapter contains this chapter describes a typical pqfs-filter system and discusses its main components. 4.2 typical pqfs filter panel layout the pqfs active filter is basically composed of two parts ( fig...

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    16 hardware description  manual power quality filter pqfs table 3: user connections for pqfs item user connections connection requirement 1 ct connections mandatory 2 power cable connection to the supply (including neutral connection if 4-wire operation is desired) mandatory 3 programmable digital ...

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    Manual power quality filter pqfs  hardware description 17 up to 4 pqfs master panels can be connected in parallel providing full redundancy to the customer. In addition to using master panels only, pqfs units can be connected in a master-slave arrangement. 4.3 the pqf current generator hardware the...

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    18 hardware description  manual power quality filter pqfs the current generator is physically organized in power units. Each filter enclosure contains one power unit. A pqfs filter can contain up to 4 power units. Power units can be combined in a master-slave arrangement, or in a master-master arra...

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    Manual power quality filter pqfs  hardware description 19 pqf manager pqf power stage can bus direct interface (keypad and lcd) modbus & pqflink interface (through rs232) programmable digital i/o 3 ∼ ac out (+n) first unit second unit user interface ct signals (a) pqf main controller can bus (1) pq...

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    20 hardware description  manual power quality filter pqfs 1 3 2 4 figure 16: front side of the pqf-manager four main parts can be distinguished (see table 6 ) table 6: front side of the pqf-manager item main components 1 keypad by navigating through the menus with the arrows and the button, the fil...

  • Page 21: Digital Input 1

    Manual power quality filter pqfs  hardware description 21 l com lock rs232 pc-abs made in belgium fuse 200ma digital input 1 (15-24vdc) h can power supply + - - + rs485 do not connect power supply do not connect alarm outputs n.O. Do not connect digital input 2 (15-24vdc) rs485 modbus adapter suppl...

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    22 hardware description  manual power quality filter pqfs warning: if a function is assigned to a digital input, the same function must never be assigned to the other digital input. Otherwise the filter may behave erratically. The external voltage source needed to drive the digital inputs has to co...

  • Page 23

    Manual power quality filter pqfs  hardware description 23 information on cabling the digital input contacts is given in section 6.12 . Information on setting up the digital inputs with the pqf-manager is given in section 7.7.1.2. By default, the digital inputs are disabled. In a master-master filte...

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    24 hardware description  manual power quality filter pqfs further it should be noted that: • whenever a digital output is activated the corresponding icon on the pqf- manager display will light up. • in a master-master filter arrangement, only the master that has the control over the complete syste...

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    Manual power quality filter pqfs  hardware description 25 5 modbus adapter interface (optional) connection the modbus adapter interface is connected at this location. The output of the interface is an rs-485 socket. The interface is described in the modbus interface manual. 6 can bus connection int...

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    26 hardware description  manual power quality filter pqfs table 11: pqfs main components description item description circuit diagram designation 1 main contactor (mc) (underneath controller boards) k01 2 fuse holder auxiliaries circuit q02 3 dc voltage power supply 24v u002 4 ct connection termina...

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    Manual power quality filter pqfs  hardware description 27 table 12: pqf main controller board description item description circuit diagram designation 1 system connector: 24 v power supply to control board p2 2 can bus connection from previous filter unit p20 3 can bus connection to next filter uni...

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    28 hardware description  manual power quality filter pqfs has the lowest address controls the system. The default address setting is l l l can bus termination (right hand dip switch): must be high (h) for the units that are at the extremity of the can bus (maximum 2 units in a multi-unit filters, t...

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    Manual power quality filter pqfs  mechanical design and installation 29 5 mechanical design and installation 5.1 what this chapter contains this chapter gives the information required for the mechanical design and installation of the filter system. In case you have a problem, please notify it to ou...

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    30 mechanical design and installation  manual power quality filter pqfs 5.3 standard enclosure dimensions and clearances standard pqfs enclosures have dimensions of 588 x 310 x 705 mm (width x depth x height). Each enclosure contains one power unit and is fitted with its own main contactor. Power c...

  • Page 31

    Manual power quality filter pqfs  mechanical design and installation 31 • unpack the filter as per section 3.3 • transport the filter to the location of installation as per section 3.4 • mount the filter fixation bar ( figure 22 ) on the wall. Use a spirit level to ensure horizontal fixation. Holes...

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    32 mechanical design and installation  manual power quality filter pqfs figure 24: mounting of filter blocking screws in the fixation bar • by means of a lower end fixation screw (not provided) the enclosure can be pushed against the rear support at the bottom also (see figure 25 ) figure 25: view ...

  • Page 33

    Manual power quality filter pqfs  mechanical design and installation 33 the hot exhaust air also has to be properly ducted away. Figure 26 shows the cooling air flow diagram for a single unit pqfs. Figure 26: cooling air flow for a single unit pqfs when the natural cooling capacity at the location ...

  • Page 34

    34 mechanical design and installation  manual power quality filter pqfs 1 2 3 4 5 figure 27: mechanical installation of the pqf-manager step 1: make an opening in the new panel of dimensions 138 x 138 mm. Step 2: slide the pqf-manager (1) perpendicularly into the enclosure opening (2). Step 3: rota...

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    Manual power quality filter pqfs  electrical design and installation 35 6 electrical design and installation 6.1 what this chapter contains this chapter gives the data required for integrating the pqfs active filter successfully in an electrical installation. It also gives electrical connection exa...

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    36 electrical design and installation  manual power quality filter pqfs warning: ensure that the filter supply is isolated upstream during filter installation. If the system has been connected to the supply before, wait for 25 minutes after disconnecting the mains power in order to discharge the ca...

  • Page 37

    Manual power quality filter pqfs  electrical design and installation 37 (e.G. Hi-pot or megger) on the inverter units. Check the insulation of the assembly by measuring the insulation resistance of the filter between the protective earth (pe) and all 3 phases shorted together, with main contactor s...

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    38 electrical design and installation  manual power quality filter pqfs master slave 1 slave 2 pe pe pe main earth connection point in filter cubicles secondary earth connection point figure 30: earth connection guidelines for a multi-unit pqfs 6.6 selection of the power cable size several types of...

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    Manual power quality filter pqfs  electrical design and installation 39 the multiplication factor x to be used depends on the cable material (e.G. Copper [cu], aluminum [al]) and on the base frequency of the network on which the filter will be installed. For a given installation its value can be de...

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    40 electrical design and installation  manual power quality filter pqfs as an example of the cable sizing procedure, consider table 17 and table 18 , which show the allowed current for different parameters noting typical cable manufacturer data. Warning: consult your cable manufacturer for the appl...

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    Manual power quality filter pqfs  electrical design and installation 41 table 18: allowed cable current for different cable sections noting the skin effect and typical cable manufacturer data – network frequency 60hz copper aluminum cross section nr of parallel cables derating due to paralleling ra...

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    42 electrical design and installation  manual power quality filter pqfs table 19: rms current ratings for protection fuses filter nominal current rating (arms) minimum fuse protection (arms) maximum fuse protection (arms) 30 40 125 45 63 125 60 80 125 70 100 160 80 100 160 90 125 160 100 125 160 vo...

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    Manual power quality filter pqfs  electrical design and installation 43 table 20: control circuit fuse characteristics for pqfs filters nominal network voltage (vrms) control circuit fuse type irms fuse (arms) isc (a) fuse (ka) at rated voltage rated voltage (vrms) 208 ≤ ue ≤ 415 french ferrule 10 ...

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    44 electrical design and installation  manual power quality filter pqfs 6.8.1 connection of the pqfs in 3-wire mode use the 3-wire connection mode for installations where there is no need for neutral current filtering nor line to neutral balancing. In this mode, the active filter can compensate 20 ...

  • Page 45

    Manual power quality filter pqfs  electrical design and installation 45 appropriate torque (20nm) must be applied to ensure that cables are properly fixed. 7. Slide the bottom protective cover up and fix it with the screws to seal off the power supply terminals 8. In addition to the power cables an...

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    46 electrical design and installation  manual power quality filter pqfs figure 36: position of the wires ‘n’ which cannot be removed 6.8.2 connection of the pqfs in 4-wire mode use the 4-wire connecting mode for installations where there is a need for neutral current filtering and/or line to neutra...

  • Page 47

    Manual power quality filter pqfs  electrical design and installation 47 shows the admitted protection scheme for regenerative loads. In this case, if the breaker of the load trips, the pqf is isolated from the energy fed back by the drive. Pqf 4q load pqf 4q load figure 38: incorrect connection fig...

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    48 electrical design and installation  manual power quality filter pqfs m axi m um r m s cu rr ent of t he dow nst ream l oads (i ncl udi ng st ar ti ng cu rr ent of d c dr ive s) : x 1 = …. . A rm s m ul ti pl y x 1 by 1. 6: x 2 = …. A rm s c t ca bl es > 30 m et er s ? S el ect 3 i dent ica l ct ...

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    Manual power quality filter pqfs  electrical design and installation 49 6.10 current transformer installation and connection the location of the cts is critical to ensure the proper operation of the active filter. The cts are the “eyes” of the filter and it will react in accordance with the informa...

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    50 electrical design and installation  manual power quality filter pqfs o the l (s2) terminal of the line 3 ct (l3, blue, w) must be connected to terminal x21-6 of the filter • the ct connection terminal x21 is located in the middle of the top plate of the filter (cf. Figure 42 ). L1 l2 l3 load sid...

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    Manual power quality filter pqfs  electrical design and installation 51 l1 l2 l3 load side supply side k l k l k l pqf x21.5 x21.4 x21.3 x21.2 x21.1 x21.6 l1 l2 l3 to x21.2 to x21.4 to x21.6 k = p1, l = p2, k = s1, l = s2 n n figure 43: four wires ct wiring approach that may be used with a single u...

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    52 electrical design and installation  manual power quality filter pqfs table 21: interconnections between two filter units item description 1 control board intercommunication cable through can bus (rj45 cable) 2 ct interconnection cable four steps have to be followed to electrically interconnect a...

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    Manual power quality filter pqfs  electrical design and installation 53 control board in the ‘previous’ unit control board in the ‘next’ unit from previous unit (if present) to next unit (if present) figure 46: control board interconnection cable connection method. • the rj45 control cable coming f...

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    54 electrical design and installation  manual power quality filter pqfs unit 1 ct terminal x21 1 2 unit 2 ct terminal x21 1 2 unit 3 ct terminal x21 1 2 unit 4 ct terminal x21 1 2 ct in phase 1 figure 47: principle of the ct interconnection circuit for multi-unit filters. Note that the overall burd...

  • Page 55: Digital Input 1

    Manual power quality filter pqfs  electrical design and installation 55 less or more electrical connections have to be made to it. Figure 48 shows the rear side layout of the pqf-manager. In order to get access to the rear side of the pqf-manager, remove the pqfs top cover (cf. Guidelines in sectio...

  • Page 56

    56 electrical design and installation  manual power quality filter pqfs case 5: cabling of main/auxiliary control functionality. Case 6: implementation of local start/stop buttons. It is recommended that for additional functions that are cabled to the pqfs, a connector approach is used such as is t...

  • Page 57

    Manual power quality filter pqfs  electrical design and installation 57 switch controlled by external process 24 vdc external power supply (b) s + - 7 (a) 8 (a) + - pqf-manager digital input 1 (15-24vdc) remarks: (a) left hand terminal block when looking from rear, counting from top to bottom (b) a...

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    58 electrical design and installation  manual power quality filter pqfs 6.12.2 cabling of alarm functionality an alarm represents an error condition that makes the filter trip. Two types of error conditions exist: • external error condition: these are conditions that are imposed on to the filter fr...

  • Page 59

    Manual power quality filter pqfs  electrical design and installation 59 the filter is interrupted or the filter trips due to an error. Otherwise the bulb will be off. 9 10 11 (a) 12 (a) pqf-manager alarm outputs no nc 230 vac external power supply external bulb alarm indicator b remark: (a) right h...

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    60 electrical design and installation  manual power quality filter pqfs 9 (a) 10 (a) 11 12 alarm outputs no nc 24 vdc external supply remark: (a) right hand terminal block when looking from rear, counting from top to bottom external digital input + - + - pqf-manager figure 53: alarm cabling example...

  • Page 61

    Manual power quality filter pqfs  electrical design and installation 61 the digital output contacts have a common point (cabled on contacts 1 and 2) and are of the no-type (normally open). The contact ratings are: o maximum continuous ac rating: 440 vac/1.5 a o maximum continuous dc rating: 110 vdc...

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    62 electrical design and installation  manual power quality filter pqfs control board temperature too high internal control board temperature probe reports too high temperature pqfs internal power supply fault internal control voltage too low or not present pqfs control board fault internal control...

  • Page 63

    Manual power quality filter pqfs  electrical design and installation 63 note that the warning functionality is not associated with a filter trip. It only has a monitoring function. Table 25 describes the behavior of the digital output contact configured as warning contact for different filter opera...

  • Page 64

    64 electrical design and installation  manual power quality filter pqfs for cabling the digital output contacts to monitor other filter operation, the same approach as shown in figure 53 can be adopted. The electrical characteristics of the digital output contacts and the points to pay attention to...

  • Page 65

    Manual power quality filter pqfs  electrical design and installation 65 warning: if a function is assigned to a digital input, the same function must never be assigned to the other digital input. Otherwise the filter may behave erratically. Table 27: filter behavior as a function of the pqf-manager...

  • Page 66

    66 electrical design and installation  manual power quality filter pqfs two connection approaches exist: • the first approach is to use one digital input for the start function and the second digital input for the stop function. Table 28 shows the pqf-manager setup for the input considered and the ...

  • Page 67

    Manual power quality filter pqfs  electrical design and installation 67 table 29: filter behavior as a function of the pqf-manager settings for local start/stop and using 1 digital input pqf-manager setup for digital input vlow applied to digital input vhigh applied to digital input edge on/off no ...

  • Page 68

    68 electrical design and installation  manual power quality filter pqfs 6.13 electrical connections of filter options and accessories filter options must be ordered in advance and are cabled in the factory. For these options, refer to the wiring diagram provided with your filter to identify the ele...

  • Page 69

    Manual power quality filter pqfs  electrical design and installation 69 communication may be lost if the ‘main’ master unit goes in error and transfers the main master rights to another master unit in this system. If full redundancy in communication is required, a communication cable has to be conn...

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    70 the pqf-manager user interface  manual power quality filter pqfs 7 the pqf-manager user interface 7.1 what this chapter contains this chapter presents the features and operating instructions for the pqf-manager user interface ( figure 60 ) use the contents of this chapter as background informati...

  • Page 71

    Manual power quality filter pqfs  the pqf-manager user interface 71 refer to section 7.5 or detailed information on how to start, stop and reset the filter. • measuring, analyzing, logging and printing of characteristic parameters: the parameters that can be monitored include network voltages, line...

  • Page 72

    72 the pqf-manager user interface  manual power quality filter pqfs welcome measurements settings pqf monitoring about pqf main settings manuf. Set. Filter load overview vrms system values min-max logging voltages line currents filter currents power temperatures voltages line currents power frequen...

  • Page 73

    Manual power quality filter pqfs  the pqf-manager user interface 73 in addition to the main functions, the pqf-manager also incorporates: • a digital output contact monitor located at the top of the screen (cf. Figure 60 item 3). When the pqf-manager closes one of its six digital output relays (cf....

  • Page 74

    74 the pqf-manager user interface  manual power quality filter pqfs please note that: • walking through a list of items happens in a circular manner. When arriving at the last item in a menu and pressing , the first item of the menu is highlighted. Similarly, when arriving at the first item in a me...

  • Page 75

    Manual power quality filter pqfs  the pqf-manager user interface 75 figure 64: illustration of different menu item types the next sections discuss the five main submenus of the ‘welcome’ screen. Remark: this manual uses a directory structure convention to indicate a submenu. The main ‘welcome’ scre...

  • Page 76

    76 the pqf-manager user interface  manual power quality filter pqfs figure 66: pqf-manager display when the user interface is set up table 32 gives an overview of the initialization steps for common reset conditions. Table 32: overview of common reset conditions and corresponding pqf-manager initia...

  • Page 77

    Manual power quality filter pqfs  the pqf-manager user interface 77 that are not enabled on these units are also locked and a symbol will appear next to them. 7.5 the pqf start, stop and fault acknowledgement menu warning: the active filter should only be started when it has been installed and comm...

  • Page 78

    78 the pqf-manager user interface  manual power quality filter pqfs • if the fault is permanent (e.G. Permanent network under voltage due to phase loss), it cannot be cleared and the message ‘ack. Fault’ will remain on the display. In this case the cause of the problem has to be identified and remo...

  • Page 79

    Manual power quality filter pqfs  the pqf-manager user interface 79 kw, mw p > 0: load absorbing active power p q var, kvar mvar reactive power in the network at the location of the cts q > 0: inductive reactive power q s va, kva, mva apparent power in the network at the location of the cts cos ϕ -...

  • Page 80

    80 the pqf-manager user interface  manual power quality filter pqfs figure 67: time domain waveform of line voltage displayed by the pqf-manager (4-w mode example) o the network voltage spectrum for all phases in chart format ( figure 68 ) the spectral components up to the 50 th order are expressed...

  • Page 81

    Manual power quality filter pqfs  the pqf-manager user interface 81 the voltages ( figure 67 ) all waveforms are synchronized with the rising edge zero crossing of the voltage v (l1-n) (4-w mode) or v (l1-l2) (3- w mode). O the line current spectrum for all phases (3-w mode) and the neutral current...

  • Page 82

    82 the pqf-manager user interface  manual power quality filter pqfs o apparent power s o displacement power factor cos ϕ o power factor pf • temperatures: (refer to table 34 for an explanation of the symbols) temperatures may be expressed in °c and in °f. For changing the temperature unit, go to [/...

  • Page 83

    Manual power quality filter pqfs  the pqf-manager user interface 83 highlight value change value logging starts figure 71: example of the min/max logging function (4-w mode) 7.7 the ‘settings’ menu the ‘settings’ menu [/welcome/settings] has three main levels: • the customer level which allows the ...

  • Page 84

    84 the pqf-manager user interface  manual power quality filter pqfs 7.7.1.1 settings up harmonics, reactive power and filter mode in multi-master units these functions need to be set up only in the master with the lowest hardware id setting. • setting up harmonics, reactive power and filter mode ca...

  • Page 85

    Manual power quality filter pqfs  the pqf-manager user interface 85 table 36: available filter modes highest priority level lowest priority level mode 1 filtering to curve maximum filtering reactive compensation mode 2 filtering to curve reactive compensation maximum filtering mode 3 filtering to c...

  • Page 86

    86 the pqf-manager user interface  manual power quality filter pqfs table 37: example of harmonic settings table displayed by pqf-manager order select (a) curve (b) 3 no 0 a 5 no 10 a 7 no 0 a 9 no 0 a remarks: (a) the ‘select’ column may have three values: no: harmonic not selected by user yes: ha...

  • Page 87

    Manual power quality filter pqfs  the pqf-manager user interface 87 for setting up the filter’s main reactive power and balancing mode go to [/welcome/settings/customer set./main settings/main pfc/bal.] for setting up the filter’s auxiliary reactive power and balancing mode go to [/welcome/settings...

  • Page 88

    88 the pqf-manager user interface  manual power quality filter pqfs note: the modes ‘l-n’ and ‘l-l & l-n’ can be used to minimize the amount of fundamental frequency current flowing in the neutral. (b) if the measured cos ϕ is higher than the set point and is inductive (e.G. Measured 0.97 inductive...

  • Page 89

    Manual power quality filter pqfs  the pqf-manager user interface 89 table 9 gives an overview of the possible filter conditions that can be associated with any of the six digital outputs. When interpreting this table it should be noted that: o the ‘in standby’ function refers to a state of the filt...

  • Page 90

    90 the pqf-manager user interface  manual power quality filter pqfs pqfs control board supply fault ps fault pqfs control board fault ctrl board any fault (of the ones listed above) any fault if the alarm condition is met, the programmable alarm will be set and the associated digital output will be...

  • Page 91

    Manual power quality filter pqfs  the pqf-manager user interface 91 if the warning condition is met, the programmable warning will be set and the associated digital output will be activated when the warning is present for a preset time. This time has a minimal value of 1 s and can be increased if d...

  • Page 92

    92 the pqf-manager user interface  manual power quality filter pqfs • for advanced filter setup (auto restart function, standby function, system clock setup, external communication setup, system lock activation and password setup) refer to section 7.7.3. 7.7.2.1 setting up the network characteristi...

  • Page 93

    Manual power quality filter pqfs  the pqf-manager user interface 93 remarks: • after going through the network characteristics menu, the filter system will be automatically reset after which the new values will be taken into account. • the filter needs to be stopped before the network characteristi...

  • Page 94

    94 the pqf-manager user interface  manual power quality filter pqfs • pressing in the unit ratings setup menu will result into jumping to the next step in the menu without the values entered being taken into account. When involuntarily entering the menu, walk through the menu by pressing or repeate...

  • Page 95

    Manual power quality filter pqfs  the pqf-manager user interface 95 note: the automatic ct detection is repeated automatically for all the units present in a multi-unit filter system. After the ct detection procedure has finished, the user has to reprogram the filter settings that were automaticall...

  • Page 96

    96 the pqf-manager user interface  manual power quality filter pqfs if the cts have been wrongly connected and the results are acknowledged by the commissioning engineer, the filter controller will automatically take into account the wrong positions and correct them internally. Hence, there is no n...

  • Page 97

    Manual power quality filter pqfs  the pqf-manager user interface 97 § usage of an excessive ct ratio (including summation cts). The ct ratio limit is set at 20000/5. O after acknowledging the error message, the ct values existing before the start of the process will be restored and the automatic ct...

  • Page 98

    98 the pqf-manager user interface  manual power quality filter pqfs § does the ct (cabling) have the good orientation (line x) or not (-line x) remark: if the ct installation is correct, enter ‘line 3’. If the ct is installed in the right phase but inversed, enter ‘-line 3’. O for the ct physically...

  • Page 99

    Manual power quality filter pqfs  the pqf-manager user interface 99 after approving the new rating value ( ), the filter will reset and the new value will be taken into account. In practice, this implies that the output current of the unit will be limited to the filter nominal current times the ent...

  • Page 100

    100 the pqf-manager user interface  manual power quality filter pqfs • the standby function • the system clock setup • the external communication setup • the software lock activation and password setup the aforementioned functions are discussed more in detail later in this section. For convenience,...

  • Page 101

    Manual power quality filter pqfs  the pqf-manager user interface 101 losses become virtually zero. The filter will resume normal operation a preset time after the load requirement comes back. The standby function is particularly interesting for applications where the load is present for a long time...

  • Page 102

    102 the pqf-manager user interface  manual power quality filter pqfs • it is recommended to put the lower threshold (i.E. [standby level – standby hyst.] %) of the standby function at least to 15% 7.7.3.3 setting up the system clock for setting up the system clock, go to [/welcome/settings/installa...

  • Page 103

    Manual power quality filter pqfs  the pqf-manager user interface 103 this menu allows to monitor the filter load and to get an idea of its operating point compared to the nominal rating of the filter. In addition, logged warnings and faults can be retrieved for troubleshooting the filter operation ...

  • Page 104

    104 the pqf-manager user interface  manual power quality filter pqfs 1 3 2 4 5 figure 74: example of an event window the explanation of the different items is given in table 44 . Table 44: item explanation of the event window item explanation 1 event number (0-199) the smaller the number, the more ...

  • Page 105

    Manual power quality filter pqfs  the pqf-manager user interface 105 from table 45 it can be seen that both the dsp controller and the µcontroller can record faults. Where the faults reported by the µcontroller are predominantly relating to a control board failure, the faults reported by the dsp re...

  • Page 106

    106 the pqf-manager user interface  manual power quality filter pqfs rotation. Spi timeout internal system error mismatch between units different units in a filter system have different settings (e.G. 3- wire and 4-wire setting) or are connected in a different way. Remark: maximum limits for certai...

  • Page 107

    Manual power quality filter pqfs  the pqf-manager user interface 107 after the problem is solved the system has to be manually reset (fault acknowledgement) before normal operation can be resumed. • in general the occurrence of transient faults is no problem for the proper operation of the active f...

  • Page 108

    108 the pqf-manager user interface  manual power quality filter pqfs if a problem exists, an external intervention is required to solve the problem after which the unit has to be reset by acknowledging the fault for the unit considered. After this, the parameter value will be reset to 0. 7.9 the ‘a...

  • Page 109

    Manual power quality filter pqfs  commissioning instructions 109 8 commissioning instructions 8.1 what this chapter contains this chapter presents the steps to follow to commission the active filter. The commissioning of your pqf should be conducted in strict accordance with this procedure. Before ...

  • Page 110

    110 commissioning instructions  manual power quality filter pqfs 8.2 step 1: visual and installation check warning: make sure that the filter supply is isolated during the visual and installation check. For safety reasons, this must be done upstream of the active filter and before removing the prot...

  • Page 111

    Manual power quality filter pqfs  commissioning instructions 111 master unit is faulty, the master unit with the next lowest address will become the main controlling unit. In order to set the address of each unit in a filter system, the dip switch module on the control board has to be set according...

  • Page 112

    112 commissioning instructions  manual power quality filter pqfs notes: • do not use other settings than the ones mentioned in the table • it is recommended to assign increasing addresses starting from the main master at the left and moving right • assigning the same address to different filter uni...

  • Page 113

    Manual power quality filter pqfs  commissioning instructions 113 warning: the pqfs is able to operate on networks where the supply voltage is up to 10% higher (inclusive of harmonics but not transients) or lower than the voltage range it is set up for. Since operation at the upper limits of voltage...

  • Page 114

    114 commissioning instructions  manual power quality filter pqfs 8.5 step 4: basic commissioning parameters set up (using pqf-manager) in order to set up the basic commissioning parameters with the pqf-manager, navigate to [/welcome/settings/commissioning] (cf. Section 7.7.2 ). An overview of the m...

  • Page 115

    Manual power quality filter pqfs  commissioning instructions 115 7.7.1.2 for detailed information on how to set up digital i/o, alarms and warnings. In order to achieve full redundancy with master-master filters, the digital i/o have to be cabled to all master units and all the pqf-managers have to...

  • Page 116

    116 commissioning instructions  manual power quality filter pqfs note: when the automatic ct detection procedure is started, the filter will automatically deactivate all user requirements for filtering, reactive power compensation and balancing. After the procedure has finished, the user has to rep...

  • Page 117

    Manual power quality filter pqfs  commissioning instructions 117 it is also seen that terminal x21.1 and x21.2 are related to the ct located in phase l1, terminal x21.3 and x21.4 are related to the ct located in phase l2 and terminal x21.5 and x21.6 are related to the ct located in phase l3. For mu...

  • Page 118

    118 commissioning instructions  manual power quality filter pqfs l1 l2 l3 load side supply side k l k l k l k l k l k l pqf x21.5 x21.4 x21.3 x21.2 x21.1 x21.6 l1 l2 l3 positive direction ch1 ch2 n n figure 79: connection of the scopemeter for checking the ct in phase l1 on the scopemeter screen, t...

  • Page 119

    Manual power quality filter pqfs  commissioning instructions 119 ∆t t 1 u i1 figure 81: phase shift evaluation between two waveforms 8.6.2.3.2 measurement of the ct in phase l2 and l3 ( figure 82 and figure 83 ) the same operations as those described in the previous paragraph must be repeated with ...

  • Page 120

    120 commissioning instructions  manual power quality filter pqfs l1 l2 l3 load side supply side k l k l k l k l k l k l pqf l1 l2 l3 positive direction ch1 ch2 x21.5 x21.4 x21.3 x21.2 x21.1 x21.6 n n figure 83: connection of the scopemeter for checking ct in phase l3 8.6.2.3.3 checking the correct ...

  • Page 121

    Manual power quality filter pqfs  commissioning instructions 121 8.6.2.4 checking the correct connection of the cts with a fluke 41b or similar equipment the fluke 41b is a power analyzer that allows measurements of one voltage and one current wave. Unfortunately, the device does not allow simultan...

  • Page 122

    122 commissioning instructions  manual power quality filter pqfs in order to do this with the pqf manager: • press repeatedly until the ‘welcome’ screen is displayed • highlight the filter start/stop menu (‘pqf’ item in the list). In this menu, the ‘start’ indication should be present. • press . Th...

  • Page 123

    Manual power quality filter pqfs  commissioning instructions 123 set the ‘pfc type’ item to ‘static cap.’ and choose the desired value for the item ‘q static’. For more information on the main and auxiliary settings concept, refer to section 7.7.1.1 . Once the reactive power is selected, analyze th...

  • Page 124

    124 commissioning instructions  manual power quality filter pqfs either ‘y’ or ‘n’). The following possibilities exist to bring a harmonic out of standby: o the user restarts a network identification process by changing the ‘s’ indication into a ‘y’ indication in the harmonic selection table o the ...

  • Page 125

    Manual power quality filter pqfs  commissioning instructions 125 feeding transformer filter cts detuned capacitor bank pqfx + - figure 85: connection approach for installations where detuned capacitor banks are installed adjacent to the active filter but downstream to the active filter cts (backgro...

  • Page 126

    Project: lv active filters pqf issued by: commissioning report date: page 1 of 7 126 commissioning instructions  manual power quality filter pqfs 8.11.1 filter identification active filter type (a) global ratings (a) maximum voltage (v) total current (a) system serial number (a) filter connection m...

  • Page 127

    Project: lv active filters pqf issued by: commissioning report date: page 2 of 7 manual power quality filter pqfs  commissioning instructions 127 8.11.2 inspection on site – verification of the active filter after installation ambient conditions ok/nok – check the ambient temperature ( 40°c/104°f, ...

  • Page 128

    Project: lv active filters pqf issued by: commissioning report date: page 3 of 7 128 commissioning instructions  manual power quality filter pqfs – for multi-unit filters, check that the cts of all units are cabled in a daisy chain fashion with return path (d) – remove all jumpers of all current tr...

  • Page 129

    Project: lv active filters pqf issued by: commissioning report date: page 4 of 7 manual power quality filter pqfs  commissioning instructions 129 – configure programmable alarms if applicable (g) – for full redundancy, configure programmable alarms on all masters of a multi- master system (g) remar...

  • Page 130

    Project: lv active filters pqf issued by: commissioning report date: page 5 of 7 130 commissioning instructions  manual power quality filter pqfs 8.11.5 programmed parameters activate main auxiliary ext. Input filter mode main settings 1 2 3 auxiliary settings 1 2 3 reactive power compensation main...

  • Page 131

    Project: lv active filters pqf issued by: commissioning report date: page 6 of 7 manual power quality filter pqfs  commissioning instructions 131 alarms warnings prog. Alarms warning levels prog. Alarm 1 t igbt warn. Prog. Alarm 2 t crtl war. Prog. Alarm 3 v. Min. Warn. Alarm delay v. Max. Warn. Al...

  • Page 132

    Project: lv active filters pqf issued by: commissioning report date: page 7 of 7 132 commissioning instructions  manual power quality filter pqfs 8.11.6 comments commissioning engineer customer’s representative name signature date.

  • Page 133

    Manual power quality filter pqfs  operating instructions 133 9 operating instructions 9.1 what this chapter contains this chapter contains the user operating instructions for the active filter. It is assumed that the filter has been installed and commissioned correctly (cf. Previous chapters). The ...

  • Page 134

    134 operating instructions  manual power quality filter pqfs • press on the pqf-manager repeatedly until the ‘welcome’ screen is displayed • highlight the filter ‘start/stop’ menu (‘pqf’ item in the list). In this menu, the ‘start’ indication should be visible. • press . The filter will ask confirm...

  • Page 135

    Manual power quality filter pqfs  operating instructions 135 dc capacitors preload check, 3, 4- wire connectivity check operation as programmed close mc start igbts network identification start filter start-up sequence controllers and fan(s) running, dc capacitors charging apply power to filter aux...

  • Page 136

    136 operating instructions  manual power quality filter pqfs under all these conditions, the filter will run in limited mode and may not attain 100% of its nominal current rating. 9.2.2 stopping the filter with the pqf-manager in order to stop the filter with the pqf-manager follow the instructions...

  • Page 137

    Manual power quality filter pqfs  operating instructions 137 operation as programmed close mc start igbts network identification start-up sequence open mc stop filter dc capacitors preload check, 3, 4- wire connectivity check start filter controllers and fan(s) running, dc capacitors charging apply...

  • Page 138

    138 operating instructions  manual power quality filter pqfs • the external communication setup for modbus • the software lock activation and password setup for filter protection purposes refer to section 7.7.3 for detailed information on these topics. It is recommended that the advanced functions ...

  • Page 139

    Manual power quality filter pqfs  operating instructions 139 all faults that occur are stored in the same event log. A fault can either be non-critical or critical. • a non-critical fault is a transient fault (e.G. A voltage spike). When a non-critical fault occurs the filter may stop the switching...

  • Page 140

    140 operating instructions  manual power quality filter pqfs in general the occurrence of transient faults is no problem for the proper operation of the active filter. Only when an error becomes ‘critical’, a problem may exist. If ‘ack. Fault’ is present on the pqf-manager display, look at the ‘arm...

  • Page 141

    Manual power quality filter pqfs  maintenance instructions 141 10 maintenance instructions 10.1 what this chapter contains this chapter contains the maintenance instructions for the active filter. Although your pqf has been designed for minimum maintenance, the following procedure should be careful...

  • Page 142

    142 maintenance instructions  manual power quality filter pqfs corresponds to the ambient conditions observed. If the ambient temperature is higher than 40°c/104°f, the filter should be derated (cf. Section 5.2 ) 10.3.2 step 2: record the filter operating status • with the filter running, check and...

  • Page 143

    Manual power quality filter pqfs  maintenance instructions 143 • ensure that the control cards are free of dust. If necessary remove dust from them with a soft brush 10.3.5 step 5: check the condition of the filter contactors and fuses • ensure that the main contactor can move freely • if bad fuses...

  • Page 144

    144 maintenance instructions  manual power quality filter pqfs • reconnect the fan wires to the terminal block • reclose the filter cover 1 3 2 figure 89: overview of igbt cooling fan for units the components description is given in table 53 . Table 53: igbt cooling fan related items description 10...

  • Page 145

    Manual power quality filter pqfs  maintenance instructions 145 10.7 servicing report the servicing report is designed to help the person in charge of servicing. The report can be used for each individual unit of a multi-unit filter..

  • Page 146

    Project: lv active filters pqf issued by: servicing report date: page 1 of 4 146 maintenance instructions  manual power quality filter pqfs 10.7.1 filter identification active filter type (a) global ratings (a) maximum voltage (v) total current (a) system serial number (a) filter connection mode (3...

  • Page 147

    Project: lv active filters pqf issued by: servicing report date: page 2 of 4 manual power quality filter pqfm  maintenance instructions 147 10.7.2 standard maintenance procedure ambient conditions and derating condition (filter running) • check the ambient temperature ( 40°c/104°f, derating is requ...

  • Page 148

    Project: lv active filters pqf issued by: servicing report date: page 3 of 4 148 maintenance instructions  manual power quality filter pqfm condition of filter main contactor and fuses • main contactor can move freely? (y/n) • fuses are ok? (y/n) if ‘n’, describe the problems in the ‘comments’ sect...

  • Page 149

    Project: lv active filters pqf issued by: servicing report date: page 4 of 4 manual power quality filter pqfs  maintenance instructions 149 10.7.4 comments service engineer customer’s representative name signature date.

  • Page 150

    150 troubleshooting guide  manual power quality filter pqfs 11 troubleshooting guide 11.1 what this chapter contains this chapter presents the troubleshooting guide for the active filter. The filter fault treatment procedure is described. Also, an overview of possible errors is given. Finally, reco...

  • Page 151

    Manual power quality filter pqfs  troubleshooting guide 151 • stop (open the main contactor) and await user intervention. In this condition the alarm contact of the pqf-manager will switch on after a programmable delay and the ‘armed’ indicator will be off. The user has to acknowledge the fault (wi...

  • Page 152

    152 troubleshooting guide  manual power quality filter pqfs figure 90: pqf error treatment procedure in flowchart format.

  • Page 153

    Manual power quality filter pqfs  troubleshooting guide 153 in general the occurrence of transient faults is no problem for the proper operation of the active filter. Only when an error becomes ‘critical’, a problem may exist. If ‘ack. Fault’ is present on the pqf-manager display, look at the ‘arme...

  • Page 154

    154 troubleshooting guide  manual power quality filter pqfs warning: only apply power to a filter without protective cover if there is no physical damage in the filter panel. Failure to adhere to this guideline may result in physical injury or death. Provide the data provided by the pqf-manager and...

  • Page 155

    Manual power quality filter pqfs  troubleshooting guide 155 table 56: abnormal states of the controller board leds (after auxiliary power is applied to the system) symptom cause what to do the two green main controller board leds are blinking but the dsp controller led (4) is blinking twice as slow...

  • Page 156

    156 troubleshooting guide  manual power quality filter pqfs table 57: fault messages reported by the dsp controller of the filter and troubleshooting tips fault message cause what to do bad parameters the filter parameters entered by the commissioning engineer are not consistent with the filter con...

  • Page 157

    Manual power quality filter pqfs  troubleshooting guide 157 fault message cause what to do dc undervoltage (sw) the dc software undervoltage protection has been triggered. – check the connection between the dc voltage measurement connectors (p6-5 and p6-7) and the dc capacitors. – check flat cable ...

  • Page 158

    158 troubleshooting guide  manual power quality filter pqfs fault message cause what to do igbt temporary the igbt modules report a transient error that could be automatically cleared by the system. This error can be due to peak overcurrent or a too low control voltage for the igbt drivers. If the ...

  • Page 159

    Manual power quality filter pqfs  troubleshooting guide 159 fault message cause what to do no synchronization the system cannot synchronize on to the network. The supply frequency has changed too much or too fast. No/low voltage measured during filter initialization. Wrong frequency set up – measur...

  • Page 160

    160 troubleshooting guide  manual power quality filter pqfs fault message cause what to do overcurrent rms the system has detected rms overcurrent in the filter. – verify that the filter cts are properly installed and are not shorted. – verify that the unit current ratings and order programmed at t...

  • Page 161

    Manual power quality filter pqfs  troubleshooting guide 161 fault message cause what to do undervoltage rms the rms value of the supply voltage measured with the ac voltage measurement board is lower than the acceptable maximum value. – measure the three line voltages and check if they are within l...

  • Page 162

    162 troubleshooting guide  manual power quality filter pqfs table 58: fault messages reported by the µ controller of the filter and troubleshooting tips fault message cause what to do com. Problem (rs- 232) communication problem between the main controller board and the external pc – ensure that th...

  • Page 163

    Manual power quality filter pqfs  troubleshooting guide 163 fault message cause what to do – real time clock problem – watchdog fault – internal µc fault – corrupted dsp code – corrupted µc code internal system error reset the filter by switching off and on the power. If the problem persists, conta...

  • Page 164

    164 troubleshooting guide  manual power quality filter pqfs table 59: other filter indications and behavior with corresponding troubleshooting tips symptom cause / state what to do the filter is working at 100% of its nominal capacity because the load requirement is asking this. The harmonic stress...

  • Page 165

    Manual power quality filter pqfs  troubleshooting guide 165 symptom cause / state what to do the filter is running with low load indication and the load harmonics are not filtered. The harmonics are not selected, the curve setting is very high or the harmonics are put in standby by the system. (re)...

  • Page 166

    166 technical specifications  manual power quality filter pqfs 12 technical specifications 12.1 what this chapter contains this chapter contains the technical specifications of the active filter pqfs. 12.2 technical specifications the pqfs is an active filter for three phase networks with or withou...

  • Page 167

    Manual power quality filter pqfs  technical specifications167 network frequency tolerance +/- 5 % maximum rate of frequency variation 20%/s maximum phase jump of network voltage 30° network voltage distortion maximum 20% phase to phase minimum network fault level 1 mva voltage notch limits no volta...

  • Page 168

    168 technical specifications  manual power quality filter pqfs reactive power static/dynamic power factor programmable from 0.6 (inductive) to 0.6 (capacitive) load balancing off phase to phase, phase to neutral (if neutral present), both (if neutral present) setting possibilities main and auxiliar...

  • Page 169

    Manual power quality filter pqfs  technical specifications169 easy connection box for power cables cable extension kit for pqf-manager remark: (a) under exceptional circumstances other limits may be reached before the rms current limit (e.G. Temperature limit, peak current limit, peak voltage limit...

  • Page 170

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