OFF-GRID PV system, Iraq

In a separate, ventilated kiosk there is an enclosure for FVE1 and the battery. Two air-conditioned enclosures for FVE2, FVE3 and their batteries are installed in the second separate ventilated kiosk. FVE1 is a three-phase photovoltaic system, FVE2 and FVE3 are single-phase photovoltaic systems designed to generate energy for a refugee camp in Iraq. Enclosures of FVE1, FVE2, FVE3 operate in two modes - AUTOMATIC mode or GRID mode. In AUTOMATIC mode, the appliances are fed from battery-powered inverters in off-grid mode. The battery is automatically charged and battery parameters - voltage and the temperature of cell section are constantly measured and monitored by the Battery Management System. With long-term low sun light and battery capacity drop to a critical level, control system switches the supply of appliances to the distribution grid. When the conditions of the control system are met again, the off-grid mode is enabled. In the GRID mode, all appliances are supplied exclusively from the distribution grid. The touch screen on the door of each enclosure offers possiblity of parameters adjusting, display of alarms, system diagnostics and system status. The power of each of FVE1, FVE2, FVE3 is complemented by a complete monitoring, web visualization of the statistics and archive of the overall energy production.