SPECIAL APPLICATIONS GRADING CAPACITORS
Resilience and reliability, even in extreme operating conditions
Resilience and reliability,
even in extreme operating conditions
GRADING CAPACITORS
800 kV
Grading Capacitors utilizing conventional fluid insulation are used within HV networks for various purposes, such as carrier application, transient overvoltage reduction or circuit breaker switching capability enhancement, with the proven Trench design and highest reliability.
CHARACTERISTICS
- For voltage levels up to 800 kV
- High customization range to match CB mechanical and electrical parameters
- Fully type-tested according to international standards
GENERAL
- Used in combination with Circuit Breakers, CBs, to reduce the transient overvoltage that can occur during switching operations > Transient recovery voltage, TRV, capacitor
- Used for the installation of line traps on the top of CCs
- For coupling and decoupling HF signals to the power line
MAIN FEATURES
Trench Grading Capacitor
a proven power booster and grid fault detector
Proven design
Many thousands of Trench Grading Capacitors, meeting all IEC, IEEE and specific standards, have been in service worldwide for over 50 years in all environmental conditions.
Technical / financial advantages
Reduced costs and time due to easy installation without the need for special tools and easy customization to all the specific requirements of the customer.
Seismic
Exceptional seismic performance as a consequence of the optimized design of flanges, insulator, and their interconnection.
Hermetically sealed
Hermetically sealed and maintenance free.
Modular design
Allows the use of reduced numbers of components.
PRODUCT APPLICATIONS
Trench
GRADING CAPACITOR
APPLICATIONS
Range of grading capacitors in overview
As multi-break circuit breakers, grading capacitor, or to increase the switching capacity of a circuit breaker, and many more: maintenance-free grading capacitors are used worldwide for a variety of purposes.
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