如图7-1所标参数,1OkV配电装置室内最高环境温度为+30℃,三相母线水平布置,导体平放。 选用3 (125X1Omm)矩形母线,综合校正后载流...

作者: rantiku 人气: - 评论: 0
问题 如图7-1所标参数,1OkV配电装置室内最高环境温度为+30℃,三相母线水平布置,导体平放。 选用3 (125X1Omm)矩形母线,综合校正后载流量为(). A.3725A; B.3501.5A; C.3278A; D.3017.5
选项 A。
答案 B
解析 査 DL/T5222—2005附录D表D.9,经校正后的载流量为3725X0.94=3501.5(A)。

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