发电机出口断路器GCB介绍
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FKG断路器介绍
21/02/2012
GRID
FKG2 GENERATOR CIRCUIT-BREAKERS
FKG2发电机断路器
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FKG2发电机断路器
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Function description FK 3-X
Functional units FK 3-X
3
9
10
12
6
13 7
11
8
4
5
1
2
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1. Charging motor 2. Charging gearing 3. Closing spring 4. Closing latch 5. Closing coil 6. Closing cam disc 7. Closing shaft 8. Trip coil 9. Roller lever 10. Main shaft 11. Trip latch 12. Trip spring 13. Trip dashpot
Operating states
Stationary operating states
Function description FK 3-X
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Non stationary operating states
Function description FK 3-X
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FK3-X机构
Biblioteka Baidu
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FK3-12 FK3-4
FK3-1
FK3-5
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Closing spring charged
Tripping spring discharged CB main contact
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C2 Crank wheel system
B2 Cam with special shape
b g
Opening latch Opening system Closing and Opening actuators (mech./el.) Auxiliary equipment
Function description FK 3-X
Functional units FK 3-X, closing/tripping system
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Main functional components FK3-X
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Closing spring Charging gear Closing latch Closing system Opening spring
Function description FK 3-X
Non stationary position: - closing spring partially charged (recuperation) - opening spring charged (CB closed) - motor actuated automatically through control cam
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Charging of the closing spring
Position (non stationary) corresponding to the delivery state: - closing spring partially charged (recuperation) - opening spring discharged (CB open)
The mechanism is ready for a closing operation: - closing spring charged - trip spring discharged (CB open)
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Closing operation (a)
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FKG2隔离开关
辅助开关 机械连锁
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电机
继电器
FKG2 G2 Architecture FKG2 G2架构
Disconnector linking rods 隔离开关连接杆