Useful materials
Videos (21)
Full List
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.
Articles (63)
Full List
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 2022TESTS (40)
Full List
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