JB/T 8664-1997
High-tension transmission line protective screen (cabinet) (English Version)
- Standard No.
- JB/T 8664-1997
- Language
- Chinese, Available in English version
- Release Date
- 1997
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 8664-1997
- Scope
- This standard specifies the conditions for use, technical requirements, inspection methods, inspection rules, marking, packaging, storage, etc. of protective screens (cabinets) for high-voltage transmission lines. This standard is applicable to high-voltage transmission line protection screens (cabinets). It consists of high-frequency phase difference protection, high-frequency directional protection, a dedicated transceiver for high-frequency protection, distance protection, zero-sequence current directional protection, comprehensive reclosing, and three-phase primary Reclosing, circuit breaker failure protection, split-phase operation boxes and other transmission line protection equipment are designed according to the "Four Unifications" plan to constitute different protection schemes. They are used for high-voltage transmission lines of 110kV and above to quickly eliminate various faults in the power system and ensure power Safe and reliable operation of the system.
JB/T 8664-1997 history
- 1997 JB/T 8664-1997 High-tension transmission line protective screen (cabinet)
