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.



