T/NXJX 031-2022 Active Group standards

T/NXJX 031-2022 Three-phase Vv connection natural ester insulation oil traction transformer for electrified railway

Publish Date: 2022-08-29 Implement Date: 2022-09-28 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/NXJX 031-2022

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrician

ICS Name: Transformers, reactors, and inductors

Publish Date: 2022-08-29

Implement Date: 2022-09-28

Scope

Scope: This document specifies the usage conditions, product models, performance parameters, technical requirements, test categories and test items, test requirements and test methods, marking, transportation and storage for three-phase Vv-connected natural ester insulating oil traction transformers used in the direct power supply mode of electrified railways. This document applies to the design, manufacture, and acceptance of three-phase Vv-connected natural ester insulating oil traction transformers (hereinafter referred to as "transformers") with voltage levels of 110 kV and 220 kV, rated frequency of 50 Hz, and rated capacities of (6300+6300) kVA to 50000+50000 kVA. Transformers with other capacities can refer to this document. Main technical content: This document specifies the usage conditions, product models, performance parameters, technical requirements, test categories and test items, test requirements and test methods, marking, transportation and storage for three-phase Vv-connected natural ester insulating oil traction transformers used in the direct power supply mode of electrified railways.

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

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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