»… to Preventive Condition
Based Maintenance 到根据环境进行维护 Refurbishing : when one of following criteria is reached : 翻修：当下列达到下列任一条件 Operating time ≥ 20 years 操作时间≥20年 Mechanical wearing : according to operation conditions 机构磨损：根据操作状况 Electrical wearing: according to interrupted currents 电气磨损：根据断续电流
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FKG2S / 6,800 Amps One phase: 一个相：
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»From Preventive Time Based Maintenance »从根据时间进行维护
Visual Inspection : Once or Twice a year 外观检查：一年一次或两次 Inspection : Every 5 years of service 检查：每五年进行一次服务
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FKG2 GCB Preventive Maintenance FKG2 GCB预防维护
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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FK3-X机构
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FK3-12 FK3-4
FK3-5 FK3-1
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FKG2隔离开关
Position (non stationary) corresponding to the delivery state: - closing spring partially charged (recuperation) - opening spring discharged (CB open)
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
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Main functional components FK3-X
Opening operation
Function description FK 3-X
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Opening spring discharged (CB open)
机械和电气在机构中的功能
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SKG隔离开关
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FKG2S / 6,800 Amps One phase: 一个相：
Function description FK 3-X
Functional units FK 3-X, closing/tripping system
Closing spring charged
Tripping spring discharged CB main contact
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C2 Crank wheel system
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Closing spring Charging gear Closing latch Closing system Opening spring
Opening latch Opening system Closing and Opening actuators (mech./el.) Auxiliary equipment
Function description FK 3-X
Closing operation (b) / closing spring charging
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Position after closing operation: - closing spring charged - opening spring charged (CB closed)
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Non stationary position: - closing spring partially charged (recuperation) - opening spring charged (CB closed) - motor actuated automatically through control cam
B2 Cam with special shape
b g
Functional units FK 3-X
3
9
10
12
6
13 7
11
8
4
5
1
2
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Function description FK 3-X
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
Charging of the closing spring
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The mechanism is ready for a closing operation: - closing spring charged - trip spring discharged (CB open)
Closing operation (a)
Function description FK 3-X