T/CEC 557-2021 Active Group standards

T/CEC 557-2021 The technical requirements for a fast switching and arc extinction and location device for single-phase grounding faults in medium voltage distribution networks

Publish Date: 2021-12-06 Implement Date: 2022-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/CEC 557-2021

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: The integrated transmission and distribution network

Publish Date: 2021-12-06

Implement Date: 2022-03-01

Scope

This document specifies the classification and naming of the single-phase grounding fault rapid switch type arc-extinguishing line selection device (hereinafter referred to as the "device") for medium-voltage distribution networks, its conditions of use, technical requirements, test items and methods, as well as requirements for marking, packaging, transportation, and storage. This document is applicable to neutral point non-effective grounding systems with a rated voltage of 3 kV to 35 kV and a rated frequency of 50 Hz.