T/CEC 703-2022 Active Group standards

T/CEC 703-2022 Low-voltage AC power supply system residual current monitoring device technical specification for stations

Publish Date: 2022-10-26 Implement Date: 2023-02-01 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/CEC 703-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Comprehensive Electrical Devices

Publish Date: 2022-10-26

Implement Date: 2023-02-01

Scope

This document specifies the composition and monitoring methods, technical requirements, test methods, inspection rules, and other requirements for residual current monitoring devices in low-voltage AC power systems used by substations, converter stations, switch stations, and series compensation stations. This document applies to the design, manufacture, selection, ordering, and testing of residual current monitoring devices for 400V low-voltage AC power systems in substations, converter stations, switch stations, and series compensation stations that adopt the TN-S grounding method.