ELPRO-7 specialize in maintenance, measurement and research in following domain:
- Internal maintenance, measurement and repair of 110kV circuit-breakers together with suspension insulators replacement,
- Maintenance and measurement of 110kV power transformers together with sealing and bushing insulators replacement,
- Internal maintenance, measurement and repair of 110kV fast disconnectors,
- Maintenance and oscillographic measurement of on-load tap changers together with possible damaged parts replacement,
- Electric power engineering safety research.