Omicron CPC 100 User Manual
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Omicron CPC 100 User Manual

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CPC 100
User Manual
Preface
Introduction
Quick
Manual information
Article Number VESD0601 - Manual Version: ENU 1036 05 07
© OMICRON electronics 2019. All rights reserved.
This product includes software developed by Intrinsyc Software.
This manual is a publication of OMICRON electronics GmbH.
All rights including translation reserved. Reproduction of any kind, for example, photocopying,
microfilming, optical character recognition and/or storage in electronic data processing systems,
requires the explicit consent of OMICRON. Reprinting, wholly or in part, is not permitted.
The product information, specifications, and technical data embodied in this manual represent
the technical status at the time of writing and are subject to change without prior notice.
We have done our best to ensure that the information given in this manual is useful, accurate
and entirely reliable. However, OMICRON does not assume responsibility for any inaccuracies
which may be present.
The user is responsible for every application that makes use of an OMICRON product.
OMICRON translates this manual from the source language English into a number of other
languages. Any translation of this manual is done for local requirements, and in the event of a
dispute between the English and a non-English version, the English version of this manual shall
govern.
Current
Voltage
Transformer
transformer
transformer
Resistance
Others
Common
functions
Support
When you are working with our products we want to provide you with the greatest possible
benefits. If you need any support, we are here to assist you!
24/7 Technical support – get support
www.omicronenergy.com/support
At our technical support hotline, you can reach well-educated technicians for all of your
questions. Around the clock – competent and free of charge.
Make use of our 24/7 technical support hotlines:
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Additionally, you can find our Service Center or Sales Partner closest to you at
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the latest software updates for all products and share your own experiences in our user forum.
Browse through the knowledge library and find application notes, conference papers, articles
about daily working experiences, user manuals and much more.
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Learn more about your product in one of the training courses offered by the OMICRON
Academy.
OMICRON electronics GmbH, Oberes Ried 1, 6833 Klaus, Austria, +43 59495
Technical data
CP TD
CP CU1
CP SB1
CP CB2

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Summary of Contents for Omicron CPC 100

  • Page 1 We have done our best to ensure that the information given in this manual is useful, accurate Learn more about your product in one of the training courses offered by the OMICRON and entirely reliable. However, OMICRON does not assume responsibility for any inaccuracies Academy.

  • Page 2: Safety Instructions For The Cpc 100 And Its Accessories

    Death or severe injury can occur if the appropriate safety instructions are not ► If you do not use the CPC 100 anymore, turn the key to “lock” (vertical) and remove the key familiar with the equipment and the regulations on site.

  • Page 3: Designated Use

    ► Never connect or disconnect a test object while the outputs are active. ► Make sure that a test object’s terminals that are to be connected to the CPC 100 do not carry any voltage potential. During a test, the only power source for a test object may be the...
  • Page 4 ► Do not stand right next to or directly underneath a connection point because the clamps may ► If the CPC 100 or any add-on device or accessory does not seem to function properly, do winding, all secondary windings are shorted. On open secondary windings, life-threatening fall off and touch you.

  • Page 5: Changing Fuses

    ► Only use booster cables supplied by OMICRON. If the CPC 100 is supplied by a generator, the equipotential ground or PE of the generator has ► Do not use booster cables that are frayed or damaged in any way.
  • Page 6 Note: This indicator only applies to the 6A DC output and voltage levels to zero. During this discharge process, the red status light flashes. On principle, the safety instructions that apply to the CPC 100 and its accessories also apply to does not include the 400A DC output.

  • Page 7: Declaration Of Conformity

    Cleaning void the user's authority to operate the equipment. ► Do not clean CPC 100 or any other device when connected to the test object. ► Disconnect the test object, accessories and connection cables before cleaning. Declaration of Compliance (Canada) ►...
  • Page 8 Status lights that indicate the operational status of the CPC 100 outputs. The green light "0" indicates that the current/voltage source is off while the red light "I" indicates that the current/voltage source is active and/or a measurement process is running.
  • Page 9 Most test cards finish the running test sequence with a predefined ramp function. output currents of CPC 100. The attached plug contains a jumper, and as long as it is placed on the connector, ► Therefore, in a hazardous situation never press "Stop Test".
  • Page 10 Ext. Booster The term “focus” designates the currently selected (active) part of the test card. The selected The CPC 100 software comprises a number of test cards. A test card carries out one specific Rectifier component is highlighted or inverted.

  • Page 11: Test Procedure Overview

    Test procedure overview The CPC 100 file system The highest hierarchical level of the CPC 100 file system, the “root”, is named CPC 100. Below Note: The file containing the up-to-date measurements should be saved regularly. If the test unit this, you can create additional folders in a tree-structure of your choice, save tests in these is switched off, or in case of a power outage, all unsaved measurements will be lost.

  • Page 12: Submenu File

    Clipboard. Proceed with Paste… the folder tree, but the one that is currently open. Set current clamp Select the test of your choice. Press Copy to copy test or folder to the CPC 100 Submenu File parameters and CT and/or clipboard.
  • Page 13 CPC 100 User Manual The Options menu Network Accessories 3. Perform loop check The loop check verifies the connection to the device under test. When measuring very low Set the communication parameters. The Accessories tab comprises safety-relevant settings for the CP TD. The settings you capacities, the resulting weak signal might cause the loop check to falsely state that no device choose in this view serve as a default for all corresponding test cards you set up afterwards.
  • Page 14 Synchronization Date / Time Displayed on Status Synchronize up to two slave units (CPC 100 or CPC 80) with a CPC 100 configured as master Slave CPC version mismatch Set date and time. unit for testing with the Quick, Sequencer, Ramping and HV Resonance Test System test...

  • Page 15: System Info

    Regional setting for language, temperature unit, date and time style. These settings affect the During operation, the CPC 100 creates a log file with a user-definable logging level. way the CPC 100 software displays and sort dates, times, numbers and decimal points.

  • Page 16: Accelerator Keys

    CPC 100 User Manual Accelerator keys With the exception of Quick, pressing an accelerator key opens the corresponding Insert a new test card dialog box and lets you select the test card of your choice. Pressing Quick opens the Quick test card directly.

  • Page 17: Settings Page

    CPC 100 User Manual Settings page Measuring with Quick Quick is the most basic mode to operate all of the CPC 100 outputs in a manual-like mode with Pressing the Settings menu key opens the Settings page. The Settings page DANGER front panel control.

  • Page 18: Trigger Settings

    / phase angle data entry field. on measurements. the set output frequency. This synchronizes the CPC 100 output frequency with the V1 AC input frequency (we recommend a minimum input voltage of 10 V on V1 AC, possible range 48 - Indicates the signal After having set all necessary parameters, press the I/O (test start/stop) push button.

  • Page 19: Current Transformer

    Current transformer CPC 100 User Manual CTRatio (and Burden) CTRatio (with Burden) - the Measure Burden option Use the CTRatio test card to measure a current transformer’s ratio and burden with injection on Select the check box Measure Burden to measure the burden in VA.
  • Page 20 CTRatio (with Burden) - the Measure Burden option CTBurden Additional measurements when Measure Burden is selected: This is the preferred method in cases, when the current of max. 800 A that the CPC 100 can feed into the CT’s primary side is not sufficient. Secondary...

  • Page 21: Ctexcitation (Knee Point)

    CPC 100 User Manual CTExcitation (knee point) Use the CTExcitation test card to record the excitation curve of a current transformer. This test The graph displays the test results in form of an interpolated curve with test point markers. Maximum test voltage Maximum test performs an automatic injection of a test voltage of up to 2 kV to the current transformer’s...

  • Page 22: Winding Resistance

    ► Make sure that no other secondary windings are open. ► After a measurement, wait until the CPC 100 has discharged completely. Total elapsed time Transformer’s ► Before disconnecting from the CPC 100, connect the device under test on both winding ends to protective earth. resistance ►...

  • Page 23: Voltage Withstand Test

    To do so, disconnect the burden. As shown in the following To do so, the CPC 100 injects a special polarity test signal at a certain location. This signal can Death or severe injury caused by high voltage or current figure, connect one cable of the 2 kV output to the transformer’s secondary (1S1) winding...
  • Page 24 CPC 100 User Manual Polarity Check Select the option Intermittent to save power in the 800A AC output range and define a pulse duty cycle for the output signal: P1/H1 S1/X1 T on: time span the signal is applied to the output...
  • Page 25 CPC 100 User Manual CTRatioV (with voltage) CTRatio (with voltage) The preferred method for CT ratio measurement is current injection using the CTRatio test card. Nominal primary current Secondary However, on some GIS CTs or bushing CTs on power transformers where the primary current...
  • Page 26 In general, a Rogowski coil’s output signal is either lead P1/H1 via an integrating amplifier or fed into an electronic protection relay with integrator. The Electronic CTRogowski test card integrates the Rogowski coil’s output signal at the CPC 100’s V2 AC Primary injection protection relay current input.

  • Page 27: Ctlowpower (Ratio)

    CPC 100 User Manual CTLowPower (ratio) Use the CTLow Power test card to measure the ratio of a low-power current transformer with a built-in burden and an output voltage that is directly proportional to the primary current. Nominal primary Nominal secondary voltage...
  • Page 28 The Merging Unit (MU) converts the sensor output analog into an SV stream which is published to the substation network. The CPC 100 then reads the Channel data back from the network in order to perform a variety of different tests.

  • Page 29: Voltage Transformer

    Death or severe injury caused by high voltage or current To do so, open the circuit as shown in the figure below, and inject the AC voltage from the ► Do not connect the CPC 100 output to the secondary side of the VT. This will cause A/H1 CPC 100’s 130V AC output into the burden.
  • Page 30 LED Use current clamp   rather than input N/H2 I AC polarity checker polarity checker The CPC 100 injects a CPOL2 CPOL2 Actual voltage at special polarity check the burden signal. Select to enter measured at input secondary current...
  • Page 31 CPC 100 User Manual VTElectronics Use the VTElectronics test card to test the ratio of non-conventional electronic voltage transformers with a very low-level secondary voltage. Correction factor for Nominal primary voltage V prim √ 3 and 1/3: Correction factors for V sec...

  • Page 32: Settings Page

    Death or severe injury caused by high voltage or current line of the table ► Do not connect the CPC 100 output to the secondary side of the transformer. This will cause hazardous voltages on the primary side Transformer - 1...
  • Page 33 CPC 100 User Manual Settings page Automatic Tap Fill The Settings page of the TRRatio test card offers an offline Auto-tap fill function. It automatically fills in the nominal ratio table of the TRRatio test card for symmetric tap changers.
  • Page 34 CPC 100 User Manual TRRatio (per tap) The following table shows the V prim and V sec settings on the TRRatio test card for different Winding connection Mea- Transformer Transformer Mea- Winding connection Mea- Transformer Transformer Mea- transformer’s winding connections.
  • Page 35 Death or severe injury caused by high voltage or current During the Vector Group Check, the CPC 100 continuously puts out the set test voltage. ► Do not touch the CPC 100’s outputs and do not touch or unplug any cables. Transformer - 4 Transformer...

  • Page 36: Winding Resistance

    Death or severe injury caused by high voltage or current possible It is recommended to perform all winding resistance measurements with the CP SA1 connected to the CPC 100 V DC input sockets to protect yourself and the CPC 100 from high-voltage hazards.
  • Page 37 Note: The Tap Changer Cleaner Sequence can only be activated if the CP SB1 transformer switch box is connected and Auto-tap is selected. The CPC 100 injects a constant current from the 6A DC output into the power transformer and the current is led via the I AC /...
  • Page 38 Taps may show quite different results depending Note: If the CPC 100 is in Auto Keep Result status, the user can end the process by either on the direction of the tap movement and defects can behave differently. An interruption Automated tap pressing Keep Result or by changing to the Tolerance setting and changing the value.
  • Page 39 Select to activate an interference filter. Marks the detection phase during which the tap changer has to be actuated. This is Result. In this case, the CPC 100 waits until stable results within the set suppression either done automatically or manually.
  • Page 40 CPC 100 User Manual Dynamic OLTC-Scan (DRM) Voltage Withstand Test This test is identical to the voltage withstand test described on page Current Transformer-5. DANGER Death or severe injury caused by high voltage or current Injecting direct current into test objects with inductive characteristics will charge the winding of the test object.
  • Page 41 N/H0 The CPC 100 Demag test card requires a ► Follow instructions below. CP SB1 transformer switch box. The wiring ► See section “DC output to test objects with a high inductance” on page Preface-4.
  • Page 42 I/O button again Saturating core... Core is being saturated Discharging... Core is being discharged Demagnetizing... Actual demagnetization cycle in progress Test stopped. CPC 100 could not complete the demagnetization Core is demagnetized. Demag cycle has been successful Transformer - 11...
  • Page 43 Resistance CPC 100 User Manual µΩ measurement Ω Ω Ω Ω 10 m to 10 to 20 k The Resistance test card provides a total of three output ranges. The test setup depends on the selected range. Setup for a m Ω...
  • Page 44 R = V DC / I DC connected to the CPC 100 V DC input sockets to protect yourself and the CPC 100 from high-voltage hazards. ► The CP SA1 must be used for measurements using the 400A DC output.
  • Page 45 Measuring the ground resistance of small ground systems Use the RGround test card to determine earth resistance between a substation’s ground system and a remote auxiliary electrode. To measure the earth resistance, the CPC 100 injects DANGER AC current between the substation’s ground system and a temporary remote auxiliary electrode.
  • Page 46 Note: To learn how to measure the resistance of a single ground rod in an earthing system, refer to the CPC 100 Reference Manual, section “RGround” of chapter “Resistance”. The CPC 100 Reference Manual is available in PDF format on the CPC 100 Toolsets or the Measured voltage between CPC 100 Start Page.
  • Page 47 25 nF. ***) This option can lead to a freeze of the CPC 100 caused by a memory overflow. This can happen if there are too much results in a certain time. In this case, the DANGER CPC 100 can only be switched off via the Emergency Stop button.
  • Page 48 Set to output 400A until the trigger condition "Overload" occurs. Like state 1, see previous figure. P1/H1 S1/X1 Here, trigger condition "Overload" means: The CPC 100 cannot I> provide the 400A any longer because of the opening CB contact. Therefore, the opening CB contact terminates state 1.
  • Page 49 Death or severe injury caused by high voltage or current *) State 2 and 4 incl. the additional 100 ms the CPC 100 adds to compensate for the debounce ► Never use Ramping to measure the resistance of windings with highly inductive The feature Manual Trigger provides a possibility to manually initiate a trigger (see note above).
  • Page 50 5 s for 10 seconds in 5 seconds The CPC 100’s AC OUTPUT feeds the ramped current signal into a CT, which is connected to (set in line 1 column "s") (set in line 2 column "s") (set in line 3 column "s") an overcurrent relay.
  • Page 51 General Time sequence of the three ramps: Use the Amplifier test card to set the CPC 100 to an "amplifier-like" mode. In this mode, an Display of the measured high-current input signal fed into a synchronization input drives the high-current output’s magnitude,...

  • Page 52: Amplifier Use Case: Gps-Synchronized 3-Phase System For End-To-End Testing

    This example shows how the three current outputs of a CMC 256plus test set are led to the CMC 256plus CMGPS 588 synchronization inputs I AC of three CPC 100 test sets to drive their high-current outputs. This DANGER way, the CPC 100 high-current outputs represent the "amplified" CMC 256plus outputs and, in Death or severe injury caused by high voltage or current this example, are connected to three CTs.
  • Page 53 Others: Comment CPC 100 User Manual Starting the string editor Form editor - text editor The tab quasi denotes a column-break. Sub.: Buers The difference between Form Editor and Text Editor is that text left of the tab (the "first column", Trans.:...

  • Page 54: Test Settings

    Others: HV Resonance Test System CPC 100 User Manual General Test settings The HV Resonance Test System test card is used for generic high-voltage tests on GIS with To set the test cycle: Nominal CT ratio a resonance circuit in combination with the CP RC1 or the CP RC2.

  • Page 55: Common Functions

    Common functions CPC 100 User Manual Test assessment The String Editor Important special characters The test assessment is a manual procedure carried out by the user. The String Editor is used to name or rename test cards, tests and templates as well as to fill out the Comment card.
  • Page 56 CPC 100 User Manual Template phrases The String Editor provides a feature, that allows you to save phrases, i.e., names of test cards, tests, templates, folders and files. Once these phrases are saved, they can then be selected as template phrases from the Select a phrase combo box.
  • Page 57 Note: For detailed information refer to the section “Technical Data” in the CPC 100 Reference Range Guaranteed accuracy Amplitude Power Typical accuracy Manual available in pdf format on the CPC 100 Toolsets or the CPC 100 Start Page. Output Range Amplitude Phase Amplitude...

  • Page 58: Measuring Inputs

    +/- 0.50 % higher. V DC 100 mV 0.10 % 0.20 % 0.05 % 0.10 % 10 mV 0.10 % 0.30 % 0.05 % 0.15 % CPC 100 technical data - 2...

  • Page 59: Resistance Measurement

    12,000 m / 40,000 ft < 5 mA 100 Ω 0.60 % 1.20 % < 5 mA 1 kΩ 0.51 % 1.02 % < 5 mA 10 kΩ 0.50 % 1.00 % CPC 100 technical data - 3 CPC 100 technical data...

  • Page 60: Standards Conformity

    ), 20 cycles per axis) IEC/EN 60068-2-78 Humidity (5 % … 95 % relative humidity, no condensation), tested at 40 °C/104 °F for 48 hours IP22 (in upright position) Protection class according to IEC/EN 60529 CPC 100 technical data - 4...

  • Page 61: Safety Instructions

    The CP TD works as an add-on device to the CPC 100. Do not connect the CP TD to any other ► At the CP TD, press the high-voltage cable’s plug to the connector tightly and turn the screw device.
  • Page 62 IN B 1. Switch off the CPC 100 at the main power switch. ► Place the CPC 100 and CP TD on their transport cases and connect them with the long type 2. With trolley: data cable CPC 100 ⇔ CP TD (3 m) and the long-type booster cable CPC 100 ⇔ CP TD Properly connect the CPC 100 and CP TD grounding terminals to the trolley’s ground bar.
  • Page 63 Select for automatic measurement, clear for manual measurement. 8. Selecting the TanDelta test card from any of the CPC 100’s CT, VT, Transformer or Others test card groups automatically turns on the CP TD. If no CP TD is connected to the Selecting enables the list boxes.
  • Page 64 CPC 100 User Manual – CP TD TanDelta-PF test card - main page “Auto test points” cleared = manual measurement: Applies the set test voltage and Measuring modes and their according Compound measurement setting frequency to the CP TD’s output. When the measurement is finished, its results are displayed arrangements of the internal switch- Cp, DF (tanδ) = parallel capacitance &...
  • Page 65 If selected, the CPC 100 checks whether the shield of the high-voltage cable is connected. For some large inductive loads, the CPC 100 can accidentally report shield check error even when Returns to TanDelta’s main page...
  • Page 66 CPC 100 User Manual – CP TD CP TD high-voltage source Test settings Define automatic test cycle Set maximum voltage Show minimum Show maximum inductance inductance possible possible with available Show wiring configuration with available CP CR CP CR (test setup)

  • Page 67: Operating The Measurement Setup

    ► Use the CP GB1 grounding box to connect the CP CU1 to overhead lines and power cables. ► Set the current range switch on the CP CU1 front panel only when the CPC 100 is turned For detailed information, see the application-specific “Safety Instructions for Connecting off and the test object is grounded.

  • Page 68: Functional Elements

    Location to store the time period, the surge arrestor insulator melts and the terminals are short-circuited to ground, V1 AC output short-circuit bar thereby protecting the operating staff, CP CU1 and CPC 100. To CP CU1 To test object Surge arrestor...

  • Page 69: Measurement Setup

    Death or severe injury caused by high voltage or current ► Only set the current range switch on the CP CU1 front panel when the CPC 100 is turned off and the test object is connected to ground with closed grounding switch near the measurement setup.
  • Page 70 Stop! The measurement cannot be performed on this line. Set a lower required current in the CPC 100’s 10 A test card. Inject at least 1 A to Try to take parallel lines out of service or to reduce the current flow on the parallel systems.
  • Page 71 For detailed information on the CP CU1 applications, refer to the CP CU1 User Manual ► Refer to the CP CU1 User Manual for detailed information on safety and the individual steps/ delivered with the CP CU1 or available in pdf format on the CPC 100 Start Page. criteria.
  • Page 72 CPC 100 User Manual – CP CU1 Line impedance measurement Ground impedance measurement Measurement of coupling into signal cables Signal cable Short-circuit! Far end Near end 90° Measurement cable V1/V2 AC I AC V1 AC I AC (twisted and shielded)
  • Page 73 CPC 100 User Manual – CP CU1 Step and touch voltage measurement HGT1 I AC EN 50522:2011 IEEE 81-2012 I AC I OUT EXT. BOOSTER BOOSTER OUTPUT CPC 100 CP CU1 CP GB1 For step and touch voltage measurements using the HGT1 FFT voltmeter, refer to the HGT1 User Manual.
  • Page 74 (this means the test object) still "feeds" voltage potential ► Even if you switched off the CPC 100, wait until the red I/O status light is fully extinguished. back into the 6A DC output.
  • Page 75 Observe the color code. • DC input for connection to the 6A DC output and I AC/DC input of the CPC 100 ► Make sure to measure the voltage to ground at the terminals of the tap changer. If no voltage •...
  • Page 76 CPC 100 User Manual – CP SB1 Measurement setup Connect to tap changer* N/H0 n1/X0 A/H1 a1/X1 B/H2 b1/X2 c1/X3 C/H3 CP SA1 * Select auto-tap operation mode CP SB1 - 3...
  • Page 77 For test applications requiring up to 2000 A. 2000 A mode: 1000 A mode: The output current of the CPC 100 can be increased up to 2000 A by means of an electronically P1/H1 P1/H1 controlled current booster. The CP CB2 can be connected close to the busbar using short high- current cables and to the CPC 100 with a long control cable.

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