Transmission Networks
Procurement:
Relay protection and automation
Electromechanical and electronic relays for 0,4 – 1150 kV
- current relays
- voltage relays
- time delay relay
- intermediate relays
- power monitoring relays
Protection and automation units, sets and devices
- generator, transformer and line protection units, sets and devices
- power supply, charging, testing and filter units
Protection and automation systems
SHM and PM panels with BEMP units
- Line protection panels and breakers control automation for 110-220 kV (SHMZL/PMZL);
- Phase differential protection panels for 110-220 kV lines (SHMDFZ/PMDFZ);
- Transformer protection panels and breakers control automation (SHMZT/PMZT);
- Tap changer panels (SHMRN/PMRN)
- Busbar protection panels (SHMZSH/PMZSH);
- Central alarm panel (SHMCS/PMCS);
- Load shedding and automation panels (SHMCHR)
- Interlocking panels (SHMOB);
Protection panels with electromechanical and electronic devices
- Line protection panels
- Transformer and autotransformer protection panels
- Busbar protection panels
- Automation panels
- Breaker failure protection panels
- Automatic reclosing panel
- Alarm panel
Installation and commissioning
Sites:
- Roslyakovskaya Substation
- 500/220/10 kV Nizhegorodskaya Substation