T/CES 267-2023 Active Group standards

T/CES 267-2023 High-voltage AC circuit breaker latent fault monitoring device 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 267-2023

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Energy, nuclear technology

ICS Name: Fire prevention

Publish Date: 2023-12-27

Implement Date: 2023-12-28

Scope

Scope: This standard specifies the composition and monitoring methods, technical requirements, test methods, inspection rules, etc. of the latent fault monitoring device for high-voltage AC circuit breakers (hereinafter referred to as the device). This standard applies to the design, manufacture, testing, selection, and operation of latent fault monitoring devices for high-voltage AC open-type circuit breakers of 10kV and above; Main technical contents: This document specifies the composition, monitoring functions, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of latent fault monitoring devices for high-voltage circuit breakers. This document proposes the following technical indicators: 1. The acceleration measurement error of the vibration sensor shall not exceed ±1% of the full scale, and the actual effective bits of the analog-to-digital converter for vibration signal acquisition shall not be less than 14 bits; 2. The electric field sensor shall be able to measure electric field strengths of 0.1 kV/m to 20 kV/m; the electric field sensor shall be able to identify electric field changes of 30 V/m per millisecond, and the measurement accuracy shall be better than 0.01 kV/m; 3. The current sensor shall be able to measure currents of 1 mA to 2 A. The measurement error of the current sensor shall not exceed ±2‰ of the full scale; the synchronization error of the current phase angle collected by multiple sensors shall be less than 5°.