T/CEC 408-2020 Active Group standards

T/CEC 408-2020 Technical specification for vacuum load-switched tap-changer used in oil-immersed distribution transformer

Publish Date: 2020-10-28 Implement Date: 2021-02-01 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 408-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Transformers, reactors, and inductors

Publish Date: 2020-10-28

Implement Date: 2021-02-01

Scope

This document specifies the product models, usage conditions, technical requirements, testing, marking, technical documentation, packaging, transportation, and storage of vacuum on-load tap-changers for oil-immersed distribution transformers (hereinafter referred to as "on-load tap-changers"). This document is applicable to on-load tap-changers with voltage ratings of 20 kV and below.

Development Information

Related Standards

GB 6450-1986 Replaced

GB 6450-1986 Dry-type power transformers

Publish Date: 1986-05-29

GB/T 7449-1987 Replaced

GB/T 7449-1987 Guide to the lightning impulse and switching impulse testing of power transformers and reactors

Publish Date: 1987-03-16

GB 13028-1991 Abolished

GB 13028-1991 Isolating transformers and safety isolating transformers Requirements

Publish Date: 1991-07-15

GB/T 14006-1992 Active

GB/T 14006-1992 Outline dimensions of transformers and inductors for use in telecommunication and electronic equipment—Part 1:Transformers and inductors using YEI-1 laminations

Publish Date: 1992-12-17

GB/T 14860-1993 Replaced

GB/T 14860-1993 Generic specification for transformers and inductors for use in telecommunication and electronic equipment

Publish Date: 1993-12-30

GB/T 15164-1994 Replaced

GB/T 15164-1994 Loading guide for oil-immersed power transformers

Publish Date: 1994-07-07