GB/T 32580.4-2026
Active
National standards
GB/T 32580.4-2026 Railway applications—Fixed installations—High voltage AC switchgear and transformers—Part 4:Voltage transformers
GB/T 32580.4-2026 Railway applications—Fixed installations—High voltage AC switchgear and transformers—Part 4:Voltage transformers
Price:
$ 84
Basic Information
Standard Code:
GB/T 32580.4-2026
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Traction substation
ICS Name:
Electric traction equipment
Publish Date:
2026-02-27
Implement Date:
2026-06-01
Pages:
28 pages
Scope
This document specifies the normal and special operating conditions, rated values, design and structure, inspection rules, information provided during inquiry, bidding, and ordering, transportation, storage, installation, operation, and maintenance rules for voltage transformers used in rail transit, as well as safety and the impact of the product on the environment. It also describes the relevant test methods.
This document applies to AC voltage transformers with an operating frequency of 50 Hz and rated voltages of 27.5 kV and 55 kV.
Note: Voltage transformers are mainly used in measurement devices and protection equipment.
Development Information
Same series standard
GB/T 32580.1-2026 Railway applications—Fixed installations—High voltage AC switchgear and transformers—Part 1:Circuit-breakers
GB/T 32580.2-2026 Railway applications—Fixed installations—High voltage AC switchgear and transformers—Part 2:Disconnectors, earthing switches and switches
GB/T 32580.3-2026 Railway applications—Fixed installations—High voltage AC switchgear and transformers—Part 3:Current transformers
GB/T 32580.5-2026 Railway applications—Fixed installations—AC high voltage switchgear and instrument transformers—Part 5:27.5 kV and 2×27.5 kV metal-enclosed switchgear and controlgear
Replace the following standards
Referenced Standards
GB/T 2900.1-1992 Electrotechnical terminology—Fundamental terms
GB/T 2900.1-2008 Electrotechnical terminology—Fundamental terms
GB/T 2900.19-1994 Electrotechnical terminology High-voltage test technique and insulation co-ordination
GB/T 2900.19-2022 Electrotechnical terminology—High-voltage test technique and insulation co-ordination
GB/T 2900.20-1994 Electrotechnical terminology—High-voltage switchgear
GB/T 2900.20-2016 Electrotechnical terminology—High-voltage switchgear and controlgear
GB/T 7595-2017 Quality of transformer oils in service
GB/T 20840.1-2010 Instrument transformers—Part 1:General requirements
GB/T 20840.3-2013 Instrument transformers—Part 3:Additional requirements for inductive voltage transformers
GB/T 26218.1-2010 Selection and dimensioning of high-voltage insulators intended for use in polluted conditions—Part 1:Definitions,information and general principles
GB/T 32580.5-2026 Railway applications—Fixed installations—AC high voltage switchgear and instrument transformers—Part 5:27.5 kV and 2×27.5 kV metal-enclosed switchgear and controlgear
TB/T 2805-2021 TB/T 2805-2021 Traction Power Supply Equipment Insulation Level
Adopt standards
IEC 62505-3-3:2020
Related Standards
GB/T 3317-1982
Replaced
GB/T 3318-1982
Replaced
GB/T 3318-1982 Rules for the inspecting and testing of electric locomotives after completion of construction
GB/T 6927-1986
Abolished
GB/T 6927-1986 Characteristics and tests of electrodynamic and electromagnetic braking systems
GB 1402-1998
Replaced
GB 1402-1998 A.C.Voltage of electric traction for the railway main lines
GB/T 3319-1998
Replaced
GB/T 3319-1998 Definition of the rated output of electric locomotives and motive power units
GB 5914.1-2000
Replaced