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Generator Circuit Breakers
Increased Availability, Enhanced Protection and Simplified Operations for Power Plants
GE's Generator Circuit Breakers (GCBs) are ideally suited for new and refurbished power plants from 50 MW to 1,500 MW and feature advanced technology with spring-spring-operated mechanisms. The comprehensive GCB portfolio provides solutions from generator circuit breakers without enclosure to customized solutions including disconnector, earthing switch, starting switch and instrument transformers. Key Features:
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Today's Challenging Environment
For most utilities ensuring grid reliability, efficiency, and security is a primary concern. As the grid evolves and load profiles change, stresses are being put onto transmission and distribution networks, making the work of grid management much more challenging. Globally, utilities are facing many grid challenges and market condition changes including:
Utilities must respond to these challenges and generate energy economically and safely. They face additionally following business challenges:
GE's Solution
GE offers utilities a reliable and robust solution to address the commercial and operational requirements with a comprehensive range of Generator Circuit Breakers (GCB) with advanced technology and 40+ years of deep domain expertise. GE is a world leader for GCB with 3,000+ installed breakers worldwide in applications including hydro, pump-storage, gas and steam turbines, combined cycle, nuclear and geothermal power plants from 50 MW to 1,500 MW.
Key Benefits
Power plant owners must generate energy economically and safely with the highest availability of their equipment. Most operational managers recognize the need for reliable and robust generator circuit breakers. The modular diagram - which uses a generator circuit breaker compared to the block type diagram solution - has several advantages, which are summarized as following:
Increased power plant operational availability | Easier operation particularly regarding the transfer of auxiliaries | Improved safety in faults management | |||||
Increased protection especially for the power transformer | More flexibility and potential combinations | Substantial cost advantages |
Components
The design of the generator circuit breakers is compliant with IEC/IEEE 62271-37-013 standard and other relevant international standards. The following components are commonly used in the GCB range with proven robustness and reliability.
Circuit Breaker Monitoring Solution CBWatch3 |
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CBWatch3 is a universal and compact device suitable for any kind of HV circuit breaker.
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GCB Portfolio
Equipment for Power Plants from 50 to 200 MW
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FKG2S without enclosure
Generator circuit breaker for power plants from 50 to 150 MW More Info |
FKG2S
Generator circuit breaker for power plants from 50 to 150 MW More Info |
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FKG2M
Generator circuit breaker for power plants from 100 to 200 MW More Info |
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Equipment for Power Plants from 150 to 450 MW
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FKG1N without enclosure
Generator circuit breaker for power plants from 150 to 300 MW More Info |
FKG1N
Generator circuit breaker for power plants from 200 to 300 MW More Info |
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FKG1F
Generator circuit breaker for power plants from 300 to 450 MW More Info |
FKGA2
Generator circuit breaker for power plants from 200 to 450 MW More Info |
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Equipment for Power Plants from 450 to 1,000 MW
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FKG1X
Generator circuit breaker for power plants from 450 to 600 MW More Info |
FKG1XV
Generator circuit breaker for power plants from 750 to 900 MW More Info |
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FKG1XP
Generator circuit breaker for power plants from 600 to 750 MW More Info |
FKG1XW
Generator circuit breaker for power plants from 900 to 1000 MW More Info |
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Equipment for Power Plants from 700 to 1,500 MW
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FKGA8
Generator circuit breaker for power plants from 700 to 1,500 MW More Info |
Pump Storage Solution
Modular Arrangement and Switching Devices for Pump Storage Operation and Protection
Service & Retrofit
Based on manufacturing expertise and time-proven field experience, GE offers cost-effective and efficient solutions to help increase the life span of your generator circuit breakers and drastically reduce the risks of failure. Benefiting from GE’s innovative technical services will keep your equipment up-to-date, safe, reliable and efficient all along its lifecycle. From onsite assessment, periodic maintenance and mid-life overhaul to complete retrofit and emergency solutions, GE provides customized solutions for your generator circuit breaker according to its type, age, operating conditions and ratings.
Maintenance & Repair
Strategic Spare Parts Management
Emergency Support
Modernization and Retrofit
Solving Obsolescence of Equipment and Saving Maintenance Cost
Renovation and Overhaul
Expanding the Life of Aging Equipment