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GB/T 18494.2-2022Convector transformers - Part 2: Transformers for HVDC applications (English PDF)

变流变压器第2部分：高压直流输电用换流变压器

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 9, 2022

Implementation date

October 1, 2022

Scope

GB/T 18494.2-2022 is the English-translated version of 变流变压器第2部分：高压直流输电用换流变压器.

GB/T 18494.2-2022 is the Chinese standard "Convector transformers - Part 2: Transformers for HVDC applications". Its scope clause reads: This document specifies oil-immersed three-phase converter transformers and Technical requirements for single-phase converter transformers.

This document applies to converter transformers with two, three or more windings. This document does not apply to. --- Industrial converter transformers (see GB/T 18494.1); --- Traction transformers (see GB/T 25120); --- Transformers for flexible DC transmission (see GB/T 37011).

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Document preview — GB/T 18494.2-2022

National Standard of the People's Republic of China

Classification: K 41

Issued by: State Administration for Market Regulation, China National Standardization Administration

Preface
Introduction
1 Scope
2 Normative references
3 Terms and Definitions
4 Symbol
5 General Requirements
6 Rating
7 Loss
8 Test requirements
9 Test methods
10 Insulation test of transformers that have been put into operation
11 Sound level
12 Casing
13 Tap changer
14 High Frequency Model
15 Deviation
16 Nameplate
17 Design Review
18 Technical Specifications
Appendix C (Informative) Converter Transformer Noise
Appendix D (Informative) Design Review
Appendix E (Informative) Contents of Transformer Technical Specifications

1 Scope

This document specifies oil-immersed three-phase converter transformers and

Technical requirements for single-phase converter transformers.

This document applies to converter transformers with two, three or more windings.

This document does not apply to.

--- Industrial converter transformers (see GB/T 18494.1);

--- Traction transformers (see GB/T 25120);

--- Transformers for flexible DC transmission (see GB/T 37011).

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document.

GB/T 1094.1-2013 Power Transformers Part 1.General (IEC 60076-1.2011, MOD)

GB/T 1094.2 Power Transformers Part 2.Temperature Rise of Liquid Immersion Transformers (GB/T 1094.2-2013, IEC 60076-2.

2011, MOD)

GB/T 1094.3-2017 Power Transformers Part 3.Insulation Level, Insulation Test and External Insulation Air Clearance (IEC 60076-3.

2013, MOD)

GB/T 1094.5 Power Transformers Part 5.Ability to withstand short circuits (GB/T 1094.5-2008, IEC 60076-5.

2006, MOD)

GB/T 1094.7 Power Transformers Part 7.Loading Guidelines for Oil-immersed Power Transformers (GB/T 1094.7-2008,

IEC 60076-7.2005, MOD)

GB/T 1094.10 Power Transformers Part 10.Determination of Sound Level (GB/T 1094.10-2003, IEC 60076-10.2001,

MOD)

GB/T 1094.18 Power Transformers Part 18.Frequency Response Measurement (GB/T 1094.18-2016, IEC 60076-18.

2012, MOD)

GB/T 2900.95 Electrical Terms Transformers, Voltage Regulators and Reactors (GB/T 2900.95-2015, IEC 60050-421.

1990, NEQ)

GB/T 4109 Insulating sleeves with AC voltage higher than 1000V (GB/T 4109-2008, IEC 60137Ed.6.0, MOD)

GB/T 7354 High Voltage Test Technology Partial Discharge Measurement (GB/T 7354-2018, IEC 60270.2000, MOD)

GB/T 10230.1 Tap-changer Part 1.Performance requirements and test methods (GB/T 10230.1-2019, IEC 60214-1.

2014, MOD)

JB/T 501 Power Transformer Test Guide

GB/T 19212.5 | GB/T 10228 | GB/T 8286 | GB/T 19212.14 | GB/T 10230.2 | GB/T 18494.3 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 69 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60076 · GB/T 1094.2 · GB/T 1094.2-2013 · GB/T 1094.5 · GB/T 1094.5-2008 · IEC 60050 · IEC 60137 · IEC 60270.2000 · IEC 60214

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