Fire-fighting facilities in substations generally use sand boxes and chemical fire-extinguishing devices, and fire hydrants can be installed at the same time. The fuel-immersed power transformer room in the high-rise main building and the high-voltage capacitor room with fuel oil, multi-oil switch treasure, etc., should be equipped with carbon dioxide or halogenated alkane, water spray and other fixed fire extinguishing devices. Solar Inverter,Frequency Inverter For Irrigation,Solar Inverter For Pumping System,3 Phase Solar Pump Inverter Zhejiang Kaimin Electric Co., Ltd. , https://www.ckmineinverter.com