T/CES 264-2023 Active Group standards

T/CES 264-2023 Quick SF6 Circuit Breaker and Intelligent Control Equipment Technical Specification

Publish Date: 2023-12-27 Implement Date: 2023-12-28 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/CES 264-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician

ICS Name: Switch

Publish Date: 2023-12-27

Implement Date: 2023-12-28

Scope

Scope: This standard specifies the technical requirements for rapid SF6 circuit breakers and intelligent control devices, including rated values, design and structure, technical requirements, test methods, selection, installation, operation, and maintenance rules, etc. This standard applies to rapid SF6 circuit breakers and intelligent control devices designed for installation indoors or outdoors and operating in systems with a frequency of 50Hz and a voltage of 220kV or higher. Rapid SF6 circuit breakers and intelligent control devices are mainly used in core hub substations for rapid fault clearing, rapid suppression of short-circuit current, and rapid protection of important loads and key power equipment. Main technical content: (1) Scope: This standard specifies the technical requirements for rapid SF6 circuit breakers and intelligent control devices, including rated values, design and structure, technical requirements, test methods, selection, installation, operation, and maintenance rules. This standard applies to rapid SF6 circuit breakers and intelligent control devices designed for installation indoors or outdoors and operating in systems with a frequency of 50Hz and a voltage of 220kV or higher. Rapid SF6 circuit breakers and intelligent control devices are mainly used in core hub substations for rapid fault clearing, rapid suppression of short-circuit current, and rapid protection of important loads and key power equipment. (2) Normative references: The main documents referenced in this standard include: GB/T 762 Standard Current Rating; GB/T 1984-2014 High-Voltage AC Circuit Breakers; GB/T 30846-2014 High-Voltage AC Circuit Breakers with Predetermined Inter-Phase Asymmetric Operation; GB/T 2900.20-2016 Electrotechnical Terms - High-Voltage Switchgear and Control Equipment; GB/T 7674-2020 Standard Voltage 72.5 kV and Above Gas-Insulated Metal-Enclosed Switchgear; GB/T 11022-2020 Common Technical Requirements for High-Voltage Switchgear and Control Eq