电容器BSMJ0.4-20-3,怎么理解?等

2025-04-08 10:53:56
推荐回答(2个)
回答1:

1、电容器BSMJ0.4-20-3,怎么理解?
自愈式低压并联补偿电容器,0.4KV,20KVAR,3相

2、若在500KVA箱变中,电容器为BSMJ0.4-20-3,那么熔断器、接触器、继电器、避雷器要怎么选择大小?请写出相应的计算公式,谢谢!
建议取12组或者14组电容。
给你一个我做过的方案:
熔断器:NT00-50A
接触器:CJ19-63/11 AC220V
热继电器:JR36-63 28~43A
避雷器:HY1.5S-0.28

回答2:

bsmj型并联电容器是以石蜡或以石蜡植物油混合做浸渍剂,以金属化有机薄膜为介质用于交流滤波的一类电力电容器。
bsmj是根据机械行业标准jb/t
7114-2005《电力电容器产品型号命名方法》对该类电容器的行业命名。
b:并联电容器
s:浸渍介质石蜡
mj:金属化有机薄膜
0.4:额定工作电压0.4kv
20:额定容量20kvar
3:三相

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