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6~35kV Substation secondary circuit wiring diagram

Master Electrician
Field: Distribution
Power Engineer
10Year<
China

Substation secondary circuit wiring diagram

屏幕截图 2024-10-16 084851.jpg

note 1:When used for bus Ⅱ power input, QA1 is changed to QA2

note 2:When used for bus Ⅱ power input, change terminals A17,C18 from the busbar integrated protection device to C23,C24

QA:Circuit breaker

TA:Current transformer

FE:Lightning arrester

FU:Fuse

BB:Microcomputer line protection measurement and control device

BG:Travel switch

SFU:Transfer switch

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