Solar-Diesel Integration for Off-Grid and Grid-Tied Modes in Nigeria

SSA
Utility Scale
1,3 MWp
Part 2- Solar + BESS System with Genset Backup- How to Manage Microgrids

Application
Solar-Diesel Integration

The Context

  • Product: ePowerControl HFS

As the local grid suffers from recurrent outages, the client wanted to reduce its dependence on it by using renewable energy.
This grid-tied solar power plant is equipped with 19 inverters and 4 Cummins diesel generators.

ePowerControl HFS has been added to the system to prioritize the use of renewable sources and allows the site to operate in two main modes:

  • Grid-tied mode: When the grid is operating, the ePowerControl HFS manage the PV plant by prioritizing the solar energy over the grid and assuring the zero export.
  • Off-grid mode : When the grid is down and the genset is on, the ePowerControl HFS maximize the PV penetration while ensuring the genset minimum loading.
  • Layout:
  •  
  • Inverters:
    13 x Schneider conext CL 60E
    5 x SMA SHP 100-20
    1 x SMA STP core 1 50

    Gensets:
    5 x Cummins Power Command 3.3
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