October 2020 saw Power System Group supply the 220 kV Spassk substation, pump station (NPS-40) and Arsenyev substation with relay protection equipment within stages 3-4 of the 220 kV Lesozavodsk-Spassk-Dalnevostochnaya overhead power line construction.
The company completed two-stage commissioning of the supplied relay protection equipment in November 2020 — April 2021.
Under the project PSG successfully:
- set a relay protection terminal
- tested the relay protection system and in-cabinet terminal interaction circuits
- tested the relay protection and automation system
- adjusted and tested in two stages the 220 Spassk-NPS-40 power lines differential protection.
