The design of the electrical main wiring should be based on the status, load nature, number of outlets, equipment characteristics, surrounding environment and planned capacity of the substation in the power system where the substation is located, to meet the reliability of power supply, flexible operation, easy operation, saving investment and expansion Requirements. The details are as follows: <br>1. According to the technical design regulations, the wiring of the high-voltage side of the substation should be connected with fewer or no circuit breakers. <br>2. In the 10kV distribution device, when the line is 6 or more times, the single bus section wiring method is generally used according to the regulations.
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