Box-type transformer substation should be placed on a higher point, can not be placed in low-lying areas, so as not to rain into the box to affect the equipment operation. Pouring concrete platform should stay in the high and low pressure, easy to lay the cable into the line. When excavating the foundation, in the event of garbage or soil accumulation of soil, you must dig into the soil, and then fill the better soil and compacted to ensure a solid foundation.
Box-type transformer substation grounding and zero line share a grounding network. The grounding grid is usually connected to the ground at the four corners, and then connected into one. After box-type substation operation, should always check the ground connection, should be not loose, no rust. Periodically measure the ground resistance, the grounding resistance should be no more than 4Ω. Can not pile up around box-type substation, in particular, the transformer door should not be blocked, to ensure that all electrical equipment does not exceed the maximum allowable temperature.
