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ABB EXCOUNT-II User Manual - Using The Transceiver

Other manuals for EXCOUNT-II: User Manual

Summary of EXCOUNT-II

  • Page 1

    1 1hsa 801 080-15en excount-ii users manual user’s manual excount-ii.

  • Page 2

    2 1hsa 801 080-15en excount-ii users manual legal disclaimer any responsibility or liability for loss or damage in connection with the use of this product and the accompanying documentation is disclaimed. The infor- mation in this document is furnished for informational use only, is subject to chang...

  • Page 3

    3 1hsa 801 080-15en excount-ii users manual safety information key to the symbols this symbol is a visual notice to avoid mistakes which can result in damage of the material and/or no function of the surge arrester monitor excount-ii. Read the text carefully and if you don’t understand do not procee...

  • Page 4

    4 1hsa 801 080-15en excount-ii users manual table of contents section subject page - important information 2 - safety information 3 1. Introduction 1.1 sequence of installation 8 1.2 excount-ii measuring principle 9 2. Before installation 2.1 inspection upon arrival 12 2.2 tools for assembly 12 2.3 ...

  • Page 5

    5 1hsa 801 080-15en excount-ii users manual table of contents section subject page 4. Using the transceiver 4.1 transceiver functions 33 4.2 transceiver symbols 35 4.3 flowchart, making measurements 36 4.4 sychronization of the clocks 37 4.5 range of the communication 38 4.6 your body affects the si...

  • Page 6

    6 1hsa 801 080-15en excount-ii users manual.

  • Page 7: Introduction

    7 1hsa 801 080-15en excount-ii users manual introduction section 1.

  • Page 8: 1.1 Sequence of Installation

    8 1hsa 801 080-15en excount-ii users manual 1. Introduction excount-ii is an advanced surge arrester monitor for effecti- vely, reliably and safety monitoring and recording surges on high voltage electrical networks. Excount-ii incorporates a sensor, which is mounted on the surge arrester, a transce...

  • Page 9

    9 1hsa 801 080-15en excount-ii users manual 1. Introduction 1.2 excount-ii measuring principle figure 1.2.1 the principle of measuring with excount-ii the sensor is mounted on the surge arrester in series with the earth conductor. It is important that the surge arrester is insulated from the ground ...

  • Page 10

    10 1hsa 801 080-15en excount-ii users manual.

  • Page 11: Before Installation

    11 1hsa 801 080-15en excount-ii users manual before installation section 2.

  • Page 12: 2.1 Inspection Upon Arrival

    12 1hsa 801 080-15en excount-ii users manual 2. Before installation 2.1 inspection upon arrival upon arrival it is important that the cases are inspected and the contents checked against the packing list which is attached to each case. Any shortage or damage should be reported immediately to the ins...

  • Page 13

    13 1hsa 801 080-15en excount-ii users manual 2. Before installation transceiver and the software utilize this information as the means of identification during the measurement, and it is therefore very impor- tant that the details are correct. After the sensor is installed it may not be practical to...

  • Page 14

    14 1hsa 801 080-15en excount-ii users manual 2. Before installation 2.5 installation of battery in the sensor the sensor’s primary power sources are the in-built solar panels and the field probe, which obtains the energy respectively from the sun and the electrical field surrounding the surge arrest...

  • Page 15: 2.6 Excount-Ii Software

    15 1hsa 801 080-15en excount-ii users manual 2. Before installation 2.6 excount-ii software the enclosed cd includes a version of the excount-ii software for administration and storage of the data as well as statistical analysis of surge arresters. The program works only on pc´s with operating syste...

  • Page 16

    16 1hsa 801 080-15en excount-ii users manual 2. Before installation 2.6.4 installation of usb drivers the excount-ii transceiver is fitted with a usb port which requires installation of special software drivers included on the cd. The found new hardware wizard should be used to install devices when ...

  • Page 17

    17 1hsa 801 080-15en excount-ii users manual 2. Before installation 3. Choose “search for the best driver in these locations”. Then choose “include this location in the search”, where you enter the path to the driver catalogue found on the excount-ii installation cd. Then click next. Figure 2.6.2.

  • Page 18

    18 1hsa 801 080-15en excount-ii users manual 2. Before installation 4. The system will discover that the drivers has not passed the win- dows logo testing. This is only a warning arising from the unique nature of excount-ii and does not affect the driver or system performance. The device is usb comp...

  • Page 19

    19 1hsa 801 080-15en excount-ii users manual 2. Before installation 5. The system will find the setup files and follow the instruction of the setup file to copy drivers. Confirm the device drivers found and driver installation complete. Click finish to close the wizard. Figure 2.6.4.

  • Page 20

    20 1hsa 801 080-15en excount-ii users manual 2. Before installation 2.7 first time administration of the sensors 1. Record the following details in the pc-program as specified in the excount-ii help system for administration. See figure 2.7.1 and 2.7.2. • station data • arrester data • excount-ii se...

  • Page 21

    21 1hsa 801 080-15en excount-ii users manual 2. Connect the transceiver to the pc via the data cable. See also sec- tion 2.6.4 for installation of usb drivers if this is the first time use of the transceiver. Download the sensor’s id from the excount-ii software into the transceiver as described in ...

  • Page 22

    22 1hsa 801 080-15en excount-ii users manual.

  • Page 23: Sensor Installation

    23 1hsa 801 080-15en excount-ii users manual sensor installation section 3.

  • Page 24: Safety Information

    24 1hsa 801 080-15en excount-ii users manual 3. Sensor installation safety information serious material damage, severe personal injury and/or death can be the result of not following this instruction. Therefore, the personnel responsible for the installation of the equipment shall read and follow th...

  • Page 25: 3.3 Reference Measurement

    25 1hsa 801 080-15en excount-ii users manual 3.1 note the sensor id number before installation, note the sensor´s id-number together with the respective arrester station, position, phase and type. The data is used in the excount-ii software for correct registration. See section 2.7. 3.2 common insta...

  • Page 26

    26 1hsa 801 080-15en excount-ii users manual 3. Sensor installation 3.4 installation of sensor alternative 1 screws, nuts, sockets, washers and conductors are not supplied by abb unless specified. Mount excount-ii (3) on surge arrester´s bottom flange (4) above insula- ting base (5) according to fig...

  • Page 27

    27 1hsa 801 080-15en excount-ii users manual 3. Sensor installation 3.5 installation of sensor alternative 2 note! Resistive current measurement is not supported with this special application. Mount excount-ii against planar surface. Use 2 x m6 bolts. Connect upper terminal to flange, bottom termina...

  • Page 28

    28 1hsa 801 080-15en excount-ii users manual 3. Sensor installation 3.6 installation of sensor alternative 3 note! Resistive current measurement may not always be possible with this special application. Assemble the excount-ii sensor to either the pre-assembled coupling, figure 3.6.1, or to the pre-...

  • Page 29

    29 1hsa 801 080-15en excount-ii users manual 3. Sensor installation 3.7 installation of sensor alternative 4 figure 3.7.1 note! Resistive current measurement may not always be possible with this special application. The assembly of the components is generally as per section 3.4 alter- native 1, exce...

  • Page 30

    30 1hsa 801 080-15en excount-ii users manual.

  • Page 31: Using The Transceiver

    31 1hsa 801 080-15en excount-ii users manual using the transceiver section 4.

  • Page 32: Important Information

    32 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver important information environment to achieve the best possible lifetime out of your excount-ii trans- ceiver, avoid exposure to strong sunlight for extended periods, hot temperatures (over +50 º c), cold temperatures (under -10 º ...

  • Page 33: 4.1 Transceiver Functions

    33 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.1 transceiver functions figure 4.1.1 switch the transceiver on/off to turn on the transceiver press to turn off the transceiver press the transceiver turns itself off automatically after 5 minutes. %xternalantenna connection "at...

  • Page 34

    34 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.1.1 use of external hand-held antenna a separate hand-held external antenna is available as an option for use in special applications which require greater signal strength than is possible to achieve with the transceiver’s inter...

  • Page 35: 4.2 Transceiver Symbols

    35 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.2 transceiver symbols stand by operation performed successfully establishing contact operation performed un-successfully active field xxx-yyyy-zzz sensor id transfer data data transfer from pc to transceiver read data data trans...

  • Page 36

    36 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.3 flowchart, making measurements the main menu is accessed by pressing enter press to turn on the transceiver 1. Prepare the transceiver for measurements see 5.1.1 set the transceiver to "prepare the transceiver for measurements...

  • Page 37

    37 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.4 sychronization of the clocks prior to transfering data between the pc and the transceiver, it is important to check that the date and time are sychronized between both of them. See figure 4.1.1 and 4.1.2. If not, set them as d...

  • Page 38: Transceiver Antenna

    38 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.5 range of the communication direct and completely unobstructed line-of-sight is preferable between the transceiver and the sensor during communication. The transceiver can communicate with the sensor within a range of up to 60 ...

  • Page 39

    39 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.8 direction of the sensor antenna it may seem logical to be as close as possible to the sensor to obtain the highest signal strength. However, this is not the case since the sensor antenna has a signal direction which is nearly ...

  • Page 40: 4.9 Special Configurations

    40 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.9 special configurations if the sensor is located a significant height above the ground, it may be dif- ficult to make contact since it is not practical to be within the contact zone as described in section 4.8. Examples are tal...

  • Page 41

    41 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.9.1 tower and gantry layout experience has shown that specific special configurations, arrangements, locations, geography etc can affect the robustness of the performance of excount-ii. For this reason, it is strongly recommend ...

  • Page 42: 4.11 Measurement Strategy

    42 1hsa 801 080-15en excount-ii users manual 4. Using the transceiver 4.10 total versus individual readings attempts to make a total reading (available in extended version only) – i.E. Consecutively leakage current, surge count, resistive current – may be inappropriate with certain configurations an...

  • Page 43: Transceiver Menus

    43 1hsa 801 080-15en excount-ii users manual transceiver menus section 5.

  • Page 44: Abb

    44 1hsa 801 080-15en excount-ii users manual 5. Transceiver menus stand by turn the transceiver on by pressing turn the transceiver off by pressing got to the main menu by pressing the transceiver turns itself off automatically after 5 minutes. The program version is shown in the lower left corner. ...

  • Page 45

    45 1hsa 801 080-15en excount-ii users manual 5.1.1 data transfer from pc to transceiver in this mode, sensor id’s can be transfered from the pc to the transceiver. Connect the data cable between the transceiver and the pc. See also the software help instructions. Back to transfer data menu 5.1.2 dat...

  • Page 46

    46 1hsa 801 080-15en excount-ii users manual 5. Transceiver menus 5.3 make measurements select alternative with the key. Then press leakage current measurement (see 5.3.1) read surge counter data (see 5.3.2) resistive leakage current measurement (see 5.3.3) total reading (all of the above see 5.3.4)...

  • Page 47

    47 1hsa 801 080-15en excount-ii users manual 5. Transceiver menus 5.3.3 resistive leakage current measurement not available in all versions. Select sensor id to read data from with the key. Start the reading by pressing before the transmission begins the operating voltage must be given. (see 5.3.3.1...

  • Page 48

    48 1hsa 801 080-15en excount-ii users manual 5. Transceiver menus 5.3.4 total reading not available in all versions. Select sensor id to read data from with the key. Start the reading by pressing before the transmission begins, the operating voltage must be given. (see 5.3.3.1) each reading is made ...

  • Page 49

    49 1hsa 801 080-15en excount-ii users manual 5. Transceiver menus 5.4.1 backlight by default backlight is disabled. Enable backlight by pressing . Enabled backlight is indicated by instead of . Disable backlight by pressing . Changes are stored in non volatile memory. Back to settings meny 5.4.2 ext...

  • Page 50

    50 1hsa 801 080-15en excount-ii users manual 5.4.3 set contrast increase contrast by pressing . Decrease contrast by pressing . Changes are stored in non volatile memory. Back to settings meny 5.4.4 set clock and date the cursor highlights which digit to adjust. The cursor is moved to the next digit...

  • Page 51: Section 6

    51 1hsa 801 080-15en excount-ii users manual surge arrester monitoring theory section 6.

  • Page 52: 6.1 Introduction

    52 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory 6.1 introduction the rising demands for improved reliability of power supply and reduced maintenance costs have increased the attention on condi- tion monitoring of equipment in hv substations. As far as metal-oxide sur...

  • Page 53

    53 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory transformer for registration of discharge currents from 10 a and above, see figure 6.2.1. The measured current peak values are sorted into five impulse current ranges and stored in the excount-ii memory along with the d...

  • Page 54

    54 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory 6.3 leakage current measurements apart from the brief occasions when a surge arrester is functioning as an overvoltage-limiting device, it is expected to behave like an insulator. The insulating properties are essential...

  • Page 55

    55 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory figure 6.3.1 electrical representation of metal-oxide surge arrester in the leakage current region resistive leakage current the resistive leakage current is defined as the peak value of the resis- tive component of the...

  • Page 56

    56 1hsa 801 080-15en excount-ii users manual the maximum continuous operating voltage of an arrester (the uc according to iec, or the mcov according to ansi) usually cor- responds to a voltage stress in the range 0,7-0,85 p.U. Of the rated voltage. In normal arrester applications, the operating volt...

  • Page 57

    57 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory another source of harmonics in the total leakage current is the har- monic content in the system voltage. The voltage harmonics produce capacitive harmonic currents in the arrester. This is clearly illustrated in figure...

  • Page 58

    58 1hsa 801 080-15en excount-ii users manual leakage current measurements with excount-ii when the excount-ii is optionally equipped for measurement of resistive leakage currents, the measurement is based on third har- monic analysis of the total leakage current with compensation for the third harmo...

  • Page 59

    59 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory the total leakage current is measured by means of the zero-flux current transformer, and the electric field generated by the system voltage is measured in terms of the current induced in the field probe, both shown in f...

  • Page 60

    60 1hsa 801 080-15en excount-ii users manual by means of the excount-ii software, the total leakage, field probe current and surge counting data are analyzed and presented for each arrester. The resistive leakage current level (optional) is calcu- lated in two steps: first, the resistive third harmo...

  • Page 61

    61 1hsa 801 080-15en excount-ii users manual 6. Surge arrester monitoring theory • multipliers for the total resistive leakage current and the resistive third harmonic as functions of voltage stress and ambient tempera- ture. These multipliers are used for converting the actual values of voltage str...

  • Page 62

    62 1hsa 801 080-15en excount-ii users manual evaluation of resistive leakage current levels by means of the manufacturer information, the resistive leakage current level is determined from the resistive third harmonic current, and the results obtained under the actual operating conditions are conver...

  • Page 63: Radio Transmission Protocol

    63 1hsa 801 080-15en excount-ii users manual radio transmission protocol section 7.

  • Page 64

    64 1hsa 801 080-15en excount-ii users manual 7. Radio transmission protocol 7.1 packet communication protocol all radio channels are subject to noise, intereference and fading. In many cases, radio channels are shared by several users of services. Packet communication protocols are widely used to ac...

  • Page 65: Technical Data

    65 1hsa 801 080-15en excount-ii users manual 7. Radio transmission protocoll 9. Disposal technical data section 8.

  • Page 66: 8.1 Technical Data

    66 1hsa 801 080-15en excount-ii users manual 8. Technical data 8.1 technical data sensor/transceiver data communication type am radio (ook) etsi and fcc approved frequency 868.35 mhz or 916.50 mhz antenna integrated on circuit- board. Optional hand- held external. Output power -3dbm (0.75 mw) operat...

  • Page 67

    67 1hsa 801 080-15en excount-ii users manual general sensor transceiver external antenna climatic conditions sealed, water-tight design, ip67 (battery compartment, ip 65) weather-proof, ip 54 weather proof, ip54 ambient temperature range –50 °c to +60 °c operation: –40 °c to +60 °c -10 °c to +50 °c ...

  • Page 68: 8.2 Dimensions

    68 1hsa 801 080-15en excount-ii users manual 8. Technical data excount-ii id. No: xxxxxxxx cat. No: 1hsa44x xxx-x made in sweden figure 8.2.1 sensor figure 8.2.3 external antenna 8.2 dimensions figure 8.2.2 sensor.

  • Page 69: Disposal

    69 1hsa 801 080-15en excount-ii users manual disposal section 9 8.2 dimensions.

  • Page 70: Disposal

    70 1hsa 801 080-15en excount-ii users manual 9. Disposal disposal when the items incorporating excount-ii are taken out of service, components shall be disposed of according to local regulations. The sensor, transceiver and external antenna contain electronic, metal, rubber and plastic components. T...

  • Page 71: Transceiver Error Codes

    71 1hsa 801 080-15en excount-ii users manual transceiver error codes section 10

  • Page 72

    72 1hsa 801 080-15en excount-ii users manual 10. Transceiver error codes error code description suggested cause and action 01 system error the transceiver could not perform the requested task. Turn off the transceiver and restart. Attempt with individual readings rather than total reading (if this w...

  • Page 73

    73 1hsa 801 080-15en excount-ii users manual 10. Transceiver error codes error code description suggested cause and action 51 too low field probe current the system voltage is too low to generate suf- ficient current in the field probe in the sensor. Check that: a) the line is correctly energized. B...

  • Page 74

    74 1hsa 801 080-15en excount-ii users manual 10. Transceiver error codes error code description suggested cause and action 70 unstable leakage current a stable value for the leakage current cannot be measured. A likely cause may be an unsta- ble line voltage. Take measurements at another time. 71 op...

  • Page 75

    75 1hsa 801 080-15en excount-ii users manual error code description suggested cause and action 81 transmission buffer error the transceiver registred a buffer error. Turn off the transceiver and restart. Attempt with individual readings rather than total reading (if this was the case). If the error ...

  • Page 76

    76 1hsa 801 080-15en excount-ii users manual.

  • Page 77: Index

    77 1hsa 801 080-15en excount-ii users manual 12. Index index section 11.

  • Page 78

    78 1hsa 801 080-15en excount-ii users manual 11. Index a administration 20 arrester data 20 sensor data 20 station data 20 transceiver date/time 21 windows date/time 21 antenna 34, 38, 39 b battery 12, 14 battery check 45 c cleaning 32 d data cable 9 data transfer 44 dimensions 68 disposal 70 i id n...

  • Page 79

    79 1hsa 801 080-15en excount-ii users manual 11. Index t technical data 66, 67 total reading 48 transceiver 9 antenna 34, 38 battery check 45 cleaning 32 data transfer 44 date/time 50 error codes 72, 73, 74, 75 functions 33 measurement 46 menus 44 range of the communication 38 sychronization of the ...

  • Page 80

    80 1hsa 801 080-15en excount-ii users manual 1hsa 801 080-15en, edition 3.1, 2008-09 abb ab high voltage products surge arresters se-771 80 ludvika, sweden phone +46 (0)240 78 20 00 fax. +46 (0)240 179 83 e-mail: arresters.Div@se.Abb.Com internet: http://www.Abb.Com/arrestersonline note: abb ab is w...