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  4. C.A 8230
  5. Operating Manual

Chauvin Arnoux C.A 8230 Operating Manual

Manual is about: SINGLE-PHASE POWER QUALITY ANALYSER

Summary of C.A 8230

  • Page 1

    1 c.A 8230 single-phase power quality analyser operating manual english.

  • Page 2: Precautions For Use

    2 meaning of the symbol. Attention: refer to the operating manual before using the instrument. Failure to properly observe or execute instructions preceded by this symbol in these directions for use may cause bodily injury or damage the instrument and the installations. In conformity with directive ...

  • Page 3: Contents

    3 contents 1. Introduction ........................................5 2. Packing................................................5 3. Presentation........................................6 3.1 overall view ...................................................... 6 3.2 on-off key ............................

  • Page 4

    4 11.9 transferring data to a pc................................. 38 11.10 erasure of the data ..................................... 38 11.11 stopping ..................................................... 38 11.12 power supply of the c.A 8230 .................... 38 12. Maintenance.....................

  • Page 5: 1. Introduction

    5 1. Introduction the c.A 8230 is a category iii (iec 1010) 600v single-phase ac+dc power quality analyser with graphic display. It measures the rms values, powers, and disturbances of electricity distribution networks and can be used for a snapshot of the main characteristics of a network and to tr...

  • Page 6: 3. Presentation

    6 3. Presentation 3.1 overall view 001 figure 1: overall view of the c.A 8230. Item function see § 1. Terminals. 3.8 2. Display screen. 3.5 3. On-off key (green). 3.2 4. Mode keys (blue). 3.3 5. Navigation keys. 3.4 6. Validation key. 3.4 7. Rs232 infrared optical interface. 3.7 8. Check light. 3.9....

  • Page 7

    7 3.5 display screen this colour liquid-crystal display unit (320x240 pixels) is used to view the measurements and the parameterising menus. When the c.A 8230 is switched on, the waveforms screen is automatically displayed. Information about this screen is given in chapter 5, on page 15. Generally s...

  • Page 8

    8 3.9.2 time between charges this is at least 8 hours with back-lighting on and at least 40 hours with the screen-saver activated (display unit off) when the storage batteries supplied with the instrument are used. 3.9.3 recharging of the storage batteries see also § 12.2, on page 39. The storage ba...

  • Page 9

    9 3.11.2 display functions • bar charts of harmonics. • "inrush" recording (starting current): display of parameters useful for studying the starting of a motor. - instantaneous value of the current at the time indicated by the cursor. - maximum instantaneous value of the current (for the whole star...

  • Page 10: 4. Key

    10 4. Key (configuration) this key is used to configure the c.A 8230: the instrument must be parameterised before it is first used, and subsequently as necessary; the configuration remains in memory even when the instrument is off. 4.1 sub-menus available select the sub-menu with and validate by pre...

  • Page 11

    11 4.4 contrast / brightness defines the contrast and brightness of the display unit; the display looks like this: sucl figure 6: the contrast/brightness menu. 1. Change the contrast using . 2. Go to the next field using . Change the brightness using . 3. Return to the configuration menu by pressing...

  • Page 12

    12 . The quantities common to the three phases (phase shift of the phase-to-earth voltage with respect to the phase-to-earth current, pf, dpf, and tangent). 2. Validate using (this validation is mandatory for application of the parameter). The return to the configuration menu is immediate. 4.8 curre...

  • Page 13

    13 table continued from page 12. Akf k factor (for transformers). W active power (total 3 φ ). Var reactive power (total 3 φ ). Va apparent power (total if 3 φ ). Pf power factor. Dpf displacement factor. Tan tangent. Hz network frequency. ? See remark below. Specific character of last two lines the...

  • Page 14

    14 on page 12) for which this alarm will be defined. Press to validate and to go to the next field. 5. For each of the fields of the same line, use the key to enter and exit from the edit mode and to change fields. In the edit mode, is used to change the value in question; is used to move from digit...

  • Page 15: Key (Waveforms)

    15 5. Key (waveforms) this key is used to display the current and voltage curves and the measured values and values calculated from the voltages and currents (except power, energy, and harmonics). 5.1 sub-menus available these are listed in the screen shown below and described individually in the se...

  • Page 16

    16 (table continued from page 15) 10. Use to select a tool. : tool for selection of the sub-menu using . : instantaneous measurement cursor management tool on a point of the curve. Use the keys to move the cursor on the time scale. The measurement zone (item 9) is refreshed. A long press on the or k...

  • Page 17

    17 (table continued from page 16) 4. Column of current-related values. Rms: rms value calculated over 1 second (the rms value of the current is true - with dc component - only with a pac sensor). Thd: level of total harmonic distortion (also called thd-f). Cf: peak factor calculated on the waveform ...

  • Page 18

    18 ro05 figure 26: example of the result of a measurement of an reverse phase sequence. Foreward sequence is displayed the phase assumed to be l1 leads the phase assumed to be l2, which itself leads the phase assumed to be l3. Ro07 figure 27: example of the result of a measurement of a forward phase...

  • Page 19: Key (Powers And Energies)

    19 6. Key (powers and energies) this key is used to display power- and energy- related measurements. 6.1 sub-menus available these are listed in the screen below and described individually in the sections that follow. Pe00 1 2 3 figure 30: example of display of power and energy measurements. Item su...

  • Page 20

    20 inductive. Capacitive. Va apparent power. Vah apparent energy consumed. Pf power factor (ratio of active power to apparent power). Dpf displacement factor (cosine of φ ). Tan tangent of angle φ . φ phase shift of the phase-to-earth voltage with respect to the phase-to-earth current. 6.2.5 resetti...

  • Page 21: Key (Harmonics)

    21 7. Key (harmonics) this key displays the levels of harmonics of the voltage, current, and apparent power by order. It can be used to determine the harmonic currents produced by nonlinear loads and analyse the problems engendered by these harmonics as a function of their order (heating of the neut...

  • Page 22

    22 6. The horizontal axis indicates the orders of the harmonics. Display of the levels of the harmonics as a percentage with respect to the fundamental (order 1). Order 0: dc component. Order (1 to 25): order of the harmonics. As soon as the cursor goes past order 25, the range from 26 to 50 appears...

  • Page 23

    23 7.4 apparent power this sub-menu is not available for a balanced three- phase connection. For a single-phase connection, this sub-menu displays the harmonics of the apparent power. The information includes: 1 2 3 4 5 ha3a 6 7 figure 38: example of display of the harmonics of the apparent power. I...

  • Page 24

    24 this information concerns the following elements: -: "negative" sequence. 0: "zero" sequence. +: "positive" sequence. 4. Current date and time. 5. Battery charge level. 6. Sums of the levels of "voltage" harmonics classified by sequence ("negative" to the left, "zero" in the centre, and "positive...

  • Page 25: Key (Screen Grab)

    25 8. Key (screen grab) this key can be used: to grab a maximum of 8 screens to be looked up later; refer to § 8.1. To display screen grabs recorded previously; refer to § 8.2. The stored screens can then be transferred to a pc using the dataviewer application (see the corresponding manual). 8.1 scr...

  • Page 26

    26 8.2.2 display of the list of screen grabs from any active function, press the key briefly. The display unit presents a list of stored screen grabs (figure 42). 8.2.3 display of a screen grab from the list proceed as follows: 1. With the screen listing the screen grabs displayed (figure 42), check...

  • Page 27: Key (Search For Alarms)

    27 9. Key (search for alarms) this mode detects crossings of the thresholds of the values (vrms, arms, vpst, vcf, acf, hz, akf, vthd, athd, w, var, va, dpf, pf, tan, vh, ah and vah) the user has chosen to supervise. These values to be supervised: were defined using the configuration / alarm screen (...

  • Page 28

    28 at the starting time, the bottom of the screen displays search in progress. At the ending time, the ok key is displayed again on a yellow ground ( ). 9.2.3 voluntary stoppage of the campaign of alarms the campaign of alarms can be stopped voluntarily (terminated) before the ending date and time b...

  • Page 29: 10.

    29 10. Key (record) this mode records the evolution of the parameters previously defined in the configuration / recording screen (§ 4.9, page 12). 10.1 sub-menus available these are listed in the screen below and described individually in the sections that follow. En00 1 2 3 4 5 figure 47: the scree...

  • Page 30

    30 the c.A 8230 calculates the memory needs in real time and if necessary displays the message not enough memory. If the starting and ending points are incompatible with one another or with the current time, the cursor moves to the field to be corrected. Follow the corresponding procedure. 10.2.2 st...

  • Page 31

    31 item function 1. Reminder of the mode used. 2. Reference of the record. 3. Date and time and integration period of the record. 4. Total memory used (black zone) and memory available (white zone). 5. Current date and time. 6. Battery charge level. 7. Measurement recordings available in the form of...

  • Page 32

    32 10.6.2 current (arms) 1 2 en06 figure 54: example of arms measurement screen. Item function 1. Date and time corresponding to the position of the time cursor. 2. Minimum, mean, and maximum measurements recorded in the display integration period corresponding to the position of the cursor. A long ...

  • Page 33

    33 display integration period scale of the graph 2 hours 5 days 1 hour 2 1/2 days 15 minutes 15 hours 10 minutes 10 hours 5 minutes 5 hours 1 minute 1 hour 20 seconds 20 minutes 5 seconds 5 minutes 1 second 1 minute 10.7 erasure of a recording campaign proceed as follows: 1. Select the sub-menu usin...

  • Page 34

    34 ir01 figure 59: parameterising of the inrush recording. Use the key to select a field, to enter the field, to increment or decrement the value in the field, to go from one selection to the other inside the field, and to exit from the edit mode. - triggering threshold: defines the threshold beyond...

  • Page 35

    35 item function 1. Reminder of the mode used. 2. Rms ½ max: maximum half-period rms value of the start. Peak: maximum instantaneous value of the start. T: duration of the start. 3. Cursor that can be moved using if the tool is selected (see point 6 of this same table). The coloured zone corresponds...

  • Page 36: 11. Use

    36 11. Use before the measurements are made, the c.A 8230 must be parameterised in accordance with chapter 4. The following precautions of use must be observed: do not connect a voltage exceeding 600v rms with respect to earth. When installing or removing the storage batteries, make sure that the vo...

  • Page 37

    37 11.3 placing the cords insert the cords as follows: 002 figure 68: the connectors on the top. Item function 1. External power supply by specific mains power unit. 2. 4-point input for current sensor (mn clip, c clip, ampflex, etc.). 3. Safety socket of the voltage measurement cable (negative term...

  • Page 38

    38 11.5.4 voluntary stop use the function as explained in § 9.2.3, page 28. 11.5.5 viewing the alarms log refer to § 9.3 en page 28. 11.5.6 erasing the alarms log erasure is not mandatory; it will be performed as needed. See § 9.4, page 28. 11.6 recording reminder: any screen can be saved (screen gr...

  • Page 39: 12. Maintenance

    39 12. Maintenance 12.1 important recommendation for maintenance, use only the specified spare parts. The maker cannot be held liable for an accident that occurs following a repair not done by its after-sale service department or by an approved repairer. 12.2 recharging the battery the battery charg...

  • Page 40

    40 13. General characteristics 13.1 housing housing: elastomer protection. Connectors: two voltage input sockets. One special current connector (automatic recognition of the current sensor) one connector for the mains adapter. One connector for the optical serial link. Keys: function and navigation....

  • Page 41

    41 13.3.2.2 emission as per nf en 61236-1 a2 class a equipment (without power supply). Class b equipment (with power supply). 13.3.3 user safety application of safety rules as per nf en 61010- 1 (isolation of voltage inputs and of the power supply earth by protecting impedances). Type of pollution: ...

  • Page 42

    42 14. Functional characteristics 14.1 reference conditions quantity of influence reference conditions ambient temperature: 23°c ± 3k. Relative humidity: from 45 to 75%. Atmospheric pressure: from 860 hpa to 1 060 hpa. Phase-to-earth voltage: from 50 v rms to 600 v rms without dc ( input voltage of ...

  • Page 43

    43 measurement range measurement minimum maximum display resolution max. Error in reference range frequency 40hz 69hz 0,01hz ± (1pt) trms voltage 6v 600v (6) 0,1v ± (0,5%+2pts) dc voltage 6v 600v 0,1v ± (1%+5pts) 0,1a i ± (0,5%+2pts) without ampflex i nom ÷ 1000 [a] 1,2 × i nom [a] 1a i ≥ 1000a ± (0...

  • Page 44

    44 measurement range measurement minimum maximum display resolution max. Error in the reference range ± (1%) cos φ ≥ 0.8 without ampflex 0wh 9999mwh 4 digits ± (1.5%) 0.2 ≤ cos φ ± (1%) cos φ ≥ 0.8 active energy ampflex 0wh 9999mwh 4 digits ± (1,5%) 0.5 ≤ cos φ ± (1%) sin φ ≥ 0.5 without ampflex 0va...

  • Page 45

    45 14.2.5 characteristics of the current sensors these characteristics are stated after linearisation. The errors of the sensors are compensated by a typical correction inside the instrument. This typical correction is in phase and in amplitude according to the type of sensor connected (detected aut...

  • Page 46: 15. Appendices

    46 15. Appendices this chapter gives the mathematical formulas used by the c.A 8230 to calculate the various parameters. 15.1 mathematical formulas 15.1.1 network frequency the sampling is locked to the network frequency so as to provide 256 samples per period (nechper) from 40 hz to 70hz. This lock...

  • Page 47

    47 15.1.10 various 1s powers in single-phase connection active power ∑ − = ⋅ = 1 0 ] [ ] [ 1 w nechsec n n a n v nechsec apparent power arms vrms va ⋅ = two calculation possibilities for the reactive power (var): reactive power without harmonics [ ] [ ] 4 / 1 var 1 0 ∑ − = ⋅ − ⋅ = nechsec n n af nec...

  • Page 48

    48 15.2.2 undervoltage or blackout detection with a hysteresis of 2%, for example, the return level for undervoltage detection will be (100% + 2%) or 102% of threshold voltage uref. Figure 72: hysteresis for undervoltage detection. 009 15.3 minimum scale values displayed in the waveforms mode for al...

  • Page 49: 16. To Order

    49 16. To order 16.1 power quality analyser c.A 8230 power quality analyser c.A 8230 p01.1606.30 power quality analyser c.A 8230 with mn93a clip p01.1606.31 power quality analyser c.A 8230 with ampflex (450mm) p01.1606.32 the instrument is always delivered complete with: 1 no. 5 carrying bag. 6 1.2v...

  • Page 50

    50 10 – 2005 code 691646a00-en-ed. 1 china - shanghai pujiang enerdis inst. Co. Ltd - 5 f, 3 rd building, n°381 xiang de road 200081 shanghai. Tel: (021) 65 08 15 43 - fax: (021) 65 21 61 07 deutschland - straßburger str4 - 77694 kehl/rhein - tel: (0785 1) 99 26-0 - fax: (07851) 99 26-60 españa - c/...