120KVA的UPS用输入输出用多大的的线缆?

2025-03-28 08:49:57
推荐回答(2个)
回答1:

UPS、EPS的功率电缆按照3~5A/mm2的电流密度进行配置,同时电缆上的最大电压降不大于3V。
UPS、EPS电源系统的中线有旁路电源输入中线、UPS电源输出中线,其截面积应当为相线电缆截面积的1.5~1.7倍。
UPS、EPS电源系统中有安全保护地线和防雷地线,其截面积应当为相线电缆截面积的0.5~1.0倍。但截面积不小于6mm2。
例如柏克MTT 系列40KVA UPS电源的电流和线缆 每相电流=40KVA*2=80A
电缆计算=80A/3=26.7平方米因此选择比较接近电缆25平方电缆做为输入输出线.
按上面的方法自己算一下吧,120KVA的UPS不算大,目前最大的UPS可以做到800KVA

回答2:

每平5A电流,输入输出建议用100平以上电线,不过真的没有听说过那么大的ups、

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