Useful materials

Universal HV circuit breaker analyzer PKV/U3 review

Monitoring the technical condition of circuit breakers of all types and for all voltage classes from 6 kV to 1150 kV.

Micro-ohmmeter MIKO-1 review

The instrument has a test current of up to 50 A and the measurement range from 1 µΩ to 0.02 Ω. It has a built-in battery.

OLTC devices diagnostic: many questions – one solution!

Diagnostic with a universal instrument in time will allow you to assess the condition of the device, localize defects or malfunctions and check the equipment after repair

18 october 2023

Comparison of SKB EP high-voltage circuit breaker analyzers

Various methods are used to assess the condition of  high-voltage circuit breaker, but the most convenient way of circuit breaker diagnostic is the use of specially designed instruments such as PKV/M15, PKV/M7 and PKV/U3.0.   PKV group instruments application significally reduces the time of the complete diagnostic with a considerable increase in its quality and allows you to avoid the necessity of major maintenance.

21 june 2022

Why is it important to short-circuit the secondary windings when diagnosing OLTC?

We explain the need to short-circuit the secondary windings of the transformer during non-demountable diagnostics of OLTC devices (DRM)

19 september 2023

Trial operation of MIKO-9A and testing of new functionality!

We are talking about planned tests for the diagnostics of the TDTN-40000/110 transformer using PKR-2M and MIKO-9A devices.

30 july 2023