Dynamic Contact Resistance Measurement (DRM) - GIS

During dynamic contact resistance measurements, the contact resistance traces are recorded while the breaker operates. These traces deliver information about wear-related problems with the main and arcing contacts within the interrupter chamber. When the contact movement is recorded simultaneously, the length of current carrying part of the arcing contacts can be measured. Arcing contacts commonly burn off and become shorter for each interruption of current.

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CIBANO 500 + CB MC2

When measuring DRM, CIBANO 500 outputs up to 200 A DC with very high accuracy with a digital μΩ meter.

CIBANO 500
3-in-1 test system for medium- and high-voltage circuit breakers
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CB MC2
Main contact module for CIBANO 500
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정보 요청

이 솔루션의 이점

All important tests on breakers

CIBANO 500 combines a micro-ohmmeter, timing analyzer, and a coil and motor supply. All important CB tests on all types of CBs can be carried out even when a station battery is not available.

Powerful integrated supply

The integrated power supply can output a highly accurate, digitally generated output signal of up to 2.4kW.

High measurement accuracy

Using four measurement ranges, CIBANO 500 can accurately determine contact resistances with an accuracy of better than 1 µΩ.

Literature
Optimized Testing - Maximum Efficiency (1 MB)
On-site Non-intrusive Testing of AC Circuit Breakers (410 KB)
PotM-02-2021 Medium Voltage Breaker Testing ENU (400 KB)

비디오

State-of-the-art circuit breaker testing MV / HV

High-voltage circuit breaker testing with OMICRON's CIBANO 500 and CB MC2

Testing circuit breakers with OMICRON's CIBANO 500

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