某风力发电场,一期装设单机容量1800kW的风力发电机组27台,每台经箱式变升压到35kV,每台箱式变容量为2000kV已知每一回35kV集电线路上接有9...

作者: rantiku 人气: - 评论: 0
问题 某风力发电场,一期装设单机容量1800kW的风力发电机组27台,每台经箱式变升压到35kV,每台箱式变容量为2000kV
选项 已知每一回35kV集电线路上接有9台2000kVA的箱式变压器,其集电线路短路时的热效应为1067kA2S铜芯电缆的热稳定系数为115,电缆在土壤中敷设时的综合校正系数为1,请判断下列哪种规格的电缆既满足载流量又满足热稳定要求? 三芯交联聚乙烯绝缘铜芯电缆在空气中(25度)长期允许载流量(A)
答案 D
解析

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