35KV、110KV、220KV母线电压互感器各接有哪些负荷?

2025-03-15 04:07:59
推荐回答(3个)
回答1:

  35KV PT:母线电压表
  绝缘检查电压表
  电源及各负荷有功表、无功表、有功电度表、
  无功电度表
  线路距离保护及低电压过流保护
  母线接地信号
  开351“复合电压过流保护”
  开351同期回路
  35KV母路同期重合闸回路。
  电压互感器是发电厂、变电所等输电和供电系统不可缺少的一种电器,在核电站和能源科学上较为常见和使用。它主要由一、二次线圈、铁心和绝缘组成。当在一次绕组上施加一个电压U1时,在铁心中就产生一个磁通φ,根据电磁感应定律,则在二次绕组中就产生一个二次电压U2。改变一次或二次绕组的匝数,可以产生不同的一次电压与二次电压比,这就可组成不同比的电压互感器。电压互感器将高电压按比例转换成低电压,即100V,电压互感器一次侧接在一次系统,二次侧接测量仪表、继电保护等;主要是电磁式的(电容式电压互感器应用广泛),另有非电磁式的,如电子式、光电式。

回答2:

保护及测量绕组的负荷有:220kV线路保护、220kV母线保护、220kV故障录波、主变保护、220kV母联或分段保护、220kV线路测控、主变测控、220kV母联或分段测控 计量绕组的负荷有:220kV线路电能表、主变电能表

回答3:

我厂35KV、110KV、220KVPT所接负荷如下:
35KV PT:母线电压表
绝缘检查电压表
电源及各负荷有功表、无功表、有功电度表、
无功电度表
线路距离保护及低电压过流保护
母线接地信号
开351“复合电压过流保护”
开351同期回路
35KV母路同期重合闸回路

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