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Reconstruction of Electrical substation 35/6 KV Maryanskaya is finished

Reconstruction of Electrical substation 35/6 KV Maryanskaya is finished

13/01/2021

We inform you about the next work package completion – the successful implementation of the II stage of reconstruction of the 35/6 kV Maryanskaya SS in the Apostolivskyi district, Dnipro region.

During stage II, the EDS team carried out:

  • Arrangement of a 6 kV cable line, 256 m2 length;
  • Retrofit of five 6 kV cells with replacement of the oil circuit breaker, replacement of 6 kV disconnectors, current transformers and voltage transformers;
  • Supply and installation of transformer relay protection and line protection panels - 4 units;
  • Implementation of commissioning works for RZiA (relay protection and automation);
  • Installation and commissioning works on TM;
  • Dismantling of power transformers, oil receivers and old foundations;
  • Installation, assembly and adjustment of power transformers with a capacity of 4000 kVA for ORU-35 kV (outdoor switchgear) – 2 units;
  • Comprehensive high-voltage tests, commissioning works before putting in operation.
  • Note that the test was carried out by the team of ETL-35K mobile electrotechnical laboratory.

The key difference of this facility from others is the implementation of reconstruction in 2 stages, each of which was carried out by highly qualified EDS specialists.

As a result – plus one modernized substation to the power system of Ukraine.