OneLine Engineering provided complete electrical engineering and design services for three new 44 kV interconnection substations for three new solar parks. The scope of work for each site includes:
• Design of the protection relaying schemes for the substation, including detailed design of the relay panels
• Design of the station inter-tripping schemes with the remote HONI stations
• Design of a prefabricated control building for the substation
• Configuration of the protection relays and the RTU
• Communications integration with the inverter station master SCADA system
• Design of the cable trench, ducts, grounding and lighting for the station
• Construction and commissioning assistance during system start up