High Power Department (EWM)

The High Power Department specializes in conducting research and development work and performing tests, measurements and expert opinions on power equipment.

Accredited laboratories

Scope of acreditation

What does the High Power Department do?

The High Power Department offers, among other:

• Testing of medium- and low-voltage switchgear, as well as cable joints and prefabricated transformer substations.
• Testing of medium- and low-voltage switching devices. 
• Short-circuit withstand tests of power equipment.
• AC power arc tests.
• Measurement of partial discharge and radio interference voltage.
• Mechanical and polution tests of insulators.
• Lightning and switching impulse voltage tests and AC voltage tests.
• Consultation on high voltage issues.
• Training of linemen up to 400 kV.
• Periodic testing of health and safety equipment

The High Power Department employs qualified personnel with relevant, long-standing experience in the field of testing performed. Employees of the Department are members of PKN Technical Committee No. 74 on High Voltage Switchgear and Control Equipment, PKN Committee No. 77 on Low Voltage Switchgear and Control Equipment, PKN Technical Committee No. 76 on Insulators, PKN Technical Committee No. 68 on High Voltage Measurement and Testing, and the IEC Technical Committee on Insulators for overhead lines. The personnel of the laboratories, which are part of the Department, participate in the development of standards and other standardization documents.

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