Omicron CPC 100 All-In-One Test System – Part 2 Current Transformer Testing

Omicron-CPC-100

 

With the Omicron CPC 100 Multi-functional Primary Test System many standard electrical tests for CTs can be performed with one single device saving testing time and labor costs. Additionally, unconventional CTs, like Rogowski coils and IEC 61850 integrated systems, can also be tested. 

 

Testing current transformers helps to detect:

Installation related failures:

• Transportation damages

• Wiring errors

• Manufacturing defects

In-service related failures:

• Degradation of accuracy class

• Shorted turns

• Magnetized core

• Burden failures in secondary circuit

• Insulation material failures

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Supplied from a single phase wall outlet, the CPC 100  can generate up to 800 AAC (2 000 A with CP CB2 current booster) for injecting into the CT‘s primary side and testing its ratio, polarity and burden. 

For excitation curve measurement, the CPC 100‘s output is connected to the secondary terminals of the core. Within an automatic test run, the CPC 100 measures the excitation curve and displays the knee point voltage and knee point current (according to the relevant IEC or IEEE / ANSI standard). The CPC 100 also automatically demagnetizes the CT core after the test.

Using the winding resistance measurement function also allows the user to calculate the accuracy limiting factor (ALF) for protection circuits and the instrument security factor (FS) for metering circuits. 

The CT winding resistance and power / dissipation factor can also be measured.

 

This is part of the Omicron CPC 100 All-In-One Test System Series. Check out the other posts!

Rent the Multi-Functional Primary Test System – Omicron CPC 100 From Protec

Omicron CPC 100 All-In-One Test System – Part 1 Applications

Omicron CPC 100 All-In-One Test System – Part 2 Current Transformer Testing

Omicron CPC 100 All-In-One Test System – Part 3 Voltage Transformer Testing

Omicron CPC 100 All-In-One Test System – Part 4 Power Transformer Testing

Omicron CPC 100 All-In-One Test System – Part 5 Power Line Testing

Omicron CPC 100 All-In-One Test System – Part 6 Grounding Systems

Omicron CPC 100 All-In-One Test System – Part 7 Rotating Machines

Omicron CPC 100 All-In-One Test System – Part 8 GIS Systems

Omicron CPC 100 All-In-One Test System – Part 9 Switchgear and Circuit Breakers

Omicron CPC 100 All-In-One Test System – Part 10 IEC 61850 installations

Omicron CPC 100 All-In-One Test System – Part 11 Power Systems

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