Revitalization of control, relay protection, and auxiliary power supply systems for 220 kV and 33 kV switchgear at the Kihansi Hydroelectric Power Plant (HPP) for the client Tanzania Electric Supply Company Limited from Tanzania.
Equipement Delivered
- Relay protection and control cabinets for 2 x 220 kV line bays
- Relay protection and control cabinets for a 220 kV reactor
- Relay protection and control cabinets for a 220 kV bus coupler bay
- Relay protection, control, and voltage regulation cabinets for a 220/33 kV transformer bay
- Relay protection and control cabinets for 3 x 11/220 kV transformer bays
- Circuit breaker synchronization cabinet for the 220 kV switchgear
- Relay protection cabinet for 220 kV busbars and breaker failure protection (BFP)
- Relay protection cabinets for 220 kV line bays at the remote ends of the lines
- Control and relay protection terminals for the 33 kV switchgear
- Dual-redundant auxiliary DC power supply system, 110 VDC (batteries, rectifiers, distribution)
- Dual-redundant auxiliary DC power supply system, 48 VDC (batteries, rectifiers, distribution)
- Distribution cabinets for auxiliary AC power supply, 400/231 V
Scope of Work
- Preparation of the complete detailed electrical design for revitalization
- Preparation of relay protection settings
- Dismantling of existing equipment and installation of new delivered equipment
- Integration with the existing control system of the hydroelectric plant and switchgear
- Parameterization, configuration, testing, and commissioning
