200kVA的变压器能承受的负载是多少(电流)

2024-10-29 13:42:21
推荐回答(5个)
回答(1):

理论上最大值应该是526A的电流。计算:200kv/A=200000w/380v.也就是它在电流是1A时它昌游的电压可以达到200000v 。那它的功率就是200000W ,用功率换算茄差公式 电流=功率除电压。这里默认你的颤迅皮使用的电压是380伏。

回答(2):

200KVA是视在功率,功率因数在酒散穗漏店的话因为电机教多,异步电机消耗无功多。所以,功率因数偏低冲烂族枯的,可能低于0.8甚至0.65,所以,电流估计小于400A。

回答(3):

答;200000VA/3相/220=303A
你的指尺枝供电是三相四线供电,每相功率为200/3=66.7千瓦,电流为66.7*1000/220=303A
使用功率一般在8成-9成困塌,考虑酒店电加热用电比较多,马唯敏达用电比较少,200KVA的实际用电量在170-180KVA,不会有问题的

回答(4):

200千伏安的指标包含无功功率,带负载能力要考虑功率因数,按0.8计算,有功功率:
P=0.8*200=160(KW)
酒逗高店是三相星形负载,负载茄指晌电流:
I=P/(√3*U)=160000/(1.73*380)=243(A)
你按变压器最大有功功率颤锋160千瓦估算方便些,用电高峰时段请电工测量各相功率及功率因素,如果功率因数偏低,是要购买功率因数补偿设备,而不是增加变压器容量,不能浪费能源,变压器空载越大,损耗越大。

回答(5):

288A.

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