GB/T 4787-2010
Grading capacitors for high-voltage alternating current circuit-breakers (English Version)
- Standard No.
- GB/T 4787-2010
- Language
- Chinese, Available in English version
- Release Date
- 2010
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2021-12
- Replace By
- GB/T 4787.1-2021
- Latest
- GB/T 4787.1-2021
- Replace
- GB/T 4787-1996
- Scope
- This standard specifies the scope of application, terminology, technical requirements, tests, signs and safety requirements of voltage equalizing capacitors used in high-voltage AC circuit breakers. This standard applies to voltage equalizing capacitors that are connected in parallel to the fractures of high-voltage AC circuit breakers to improve voltage distribution and reduce the rate of recovery voltage rise. Not suitable for high voltage ceramic capacitors.
GB/T 4787-2010 Referenced Document
- GB 311.1 Insulation co-ordination.Part 1:Definitions,principles and rules*， 2012-06-29 Update
- GB/T 16927.1 High-voltage test techniques.Part 1:General definitions and test requirements*， 2011-12-30 Update
- GB/T 21429 Composite insulators.Hollow insulators for use in outdoor and indoor electrical equipment.Definitions,test methods,acceptance criteria and design recommendations
- GB/T 2900.16 Electrotechnical terminology. Power capacitors
- GB/T 7354 High-voltage test techniques—Partial discharge measurements*， 2018-09-17 Update
- IEC 62155:2003 Hollow pressurized and unpressurized ceramic and glass insulators for use in electrical equipment with rated voltages greater than 1000 V
GB/T 4787-2010 history
- 2021 GB/T 4787.1-2021 Grading capacitors for high-voltage alternating current circuit-breakers—Part 1: General
- 2010 GB/T 4787-2010 Grading capacitors for high-voltage alternating current circuit-breakers
- 1996 GB/T 4787-1996 Circuit-breaker capacitors
