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Electric installations


Силовой транформаторAccording to Accreditation certificate of measuring laboratory and Consent of State committee for the supervision of worker safety and health, electrical laboratory LLC JV « Technical supervision Company DIEKS» takes measurements and tests, certification, expert inspection, carries out television control and periodic check of grounding according to the schedule of tests and checkups of:

  • power transformers;
  • semiconductor converters and devices;
  • paper-oil power capacitors;
  • cable power lines;
  • overhead transmission lines;
  • collecting and congregative bars;
  • suspension and supporting insulators;
  • bushings and lead-in insulators;
  • oil and electromagnetic switches;
  • air-break switches;
  • voltage switches;
  • cut-outs with voltage higher than 1000 V;
  • disconnect switches, short-circuites, isolating switches;
  • valve-type arrester;
  • tubular arrester;
  • dry-type reactors;
  • measuring transformers; switchgears of indoor and outdoor installation;
  • alternating current motors;
  • grounding devices;
  • electric installations, apparatus, secondary wirings and wiring systems under the voltage of 1000 V.

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Subsequent to the results of performed work electrical equipment documentation with marks about done works and records of measurements and test works are provided.

Technical experts of LLC JV « Technical supervision Company DIEX» carries out an expertise and extra engineering certification of electric constructions, including worked-out boundary term of exploitation electric constructions and issues expert reports.