What problems should be paid attention to after the photovoltaic power station is on fire?

- Sep 20, 2018 -

1. Use chemical dry powder fire extinguishing agent (ammonium phosphate dry powder fire extinguishing agent, ammonium phosphate dry powder fire extinguisher) to extinguish the photovoltaic power generation equipment without using foam fire extinguishing agent or water.

2. When using a chemical dry powder fire extinguisher, the minimum distance between the body, the nozzle and the charged body with a voltage of 10kV or less shall not be less than 0.4m, and the voltage of 35kV or more shall not be less than 0.6m.

When the high-voltage electrical equipment or line of the photovoltaic power station is grounded, the indoor fire-fighting personnel shall not enter within 4m from the fault point; the outdoor fire-fighting personnel shall not be within 8m from the fault point. When entering the above range, it is necessary to wear insulated shoes (withstand voltage level above 10KV). Insulating gloves should be worn when touching the equipment casing and frame.

3. If firefighters are requested to support the rescue, the firefighters should be reminded that the rooftop photovoltaic equipment is still energized and the DC side power supply cannot be cut off temporarily.

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