OneLine Engineering provided complete electrical engineering and design services for two 44 kV interconnection substations for two 10 MW PV generating stations. The scope of work includes:
• Design of the protection relaying schemes for the substation, including detailed design of the relay panels and control building
• Design of the station inter-tripping schemes with the remote HONI stations
• Configuration of the protection relays and the RTU
• RTU communications integration with the inverter station master SCADA system
• Design of the cable trenches and duct work
• Design of the ground grid and equipment grounding systems
• Design of the station lighting systems
• Construction and commissioning assistance during system start up