Service, inspection and repair of on-load tap changers and repair of drive cubicle of on-load tap changers

- inspections and repairs of tap changers:
- PO – Elta manufacturer
- VEL, SRKO, QN, TD etc. – ELIN manufacturer
- G, F, R, M type etc. - MR manufacturer
- UZBLN, UCCRN etc. - ABB manufacturer
- oscillographic testing and measurements
- replacement of old types of tab changers for the new one