When the high-rise building has a high floor, the power load is large and scattered, which requires high reliability of power supply. The voltage drop of distribution main line shall not exceed the allowable value, so as to reduce the power loss of the line. Therefore, most of the high-rise buildings use the substation in the building. The substation in the building usually has the following ways: basement, middle floor and high floor. In this design, the substation is set on the second underground floor of the building.
When the high-rise building has a high floor, the power load is large and scattered, which requires high reliability of power supply. The voltage drop of distribution main line shall not exceed the allowable value, so as to reduce the power loss of the line. Therefore, most of the high-rise buildings use the substation in the building. The substation in the building usually has the following ways: basement, middle floor and high floor. In this design, the substation is set on the second underground floor of the building.
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