Cardinia Childcare 100kw Pv 180kwh90kw Battery | Solar Hybrid On Grid | Projects | Enhar
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Cardinia Childcare: 100kW PV, 180kWh/90kW battery

Cardinia Childcare: 100kW PV, 180kWh/90kW battery
  • Project: Detailed design for 2 x 100kW rooftop solar + 180kWhr/90kW flow batteries

Enhar’s Scope:

  • Detail design for construction – SLDs, Schematics, switchboard GAs;
  • Board builder liaison and management;
  • Site testing including, relay setting, injection testing and power quality logging;
  • Grid Applications – United Energy and Ausnet.

Project Details:

  • 2 x 100kW roof top solar PV systems, 2 x 180kWh/90kW Redflow batteries
  • Victron inverter/chargers and control
  • Changeover switch to bypass batteries
  • Volt Amp / Volt Watt response modes
  • Export limited.
  • Grid protection relay on solar inverters and inverter chargers.
  • Minimal volt drop through the 2250A DC switchboard

Project Challanges

  • Flow batteries require significant space with limited room on site; however they have a long lifetime
  • Flow batteries are required to be fully discharged every two days 
  • Victron inverter/chargers are single phase, therefore a phase imbalance relay was required
  • Multiple solar PV orientations


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