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GB/T 1094.15-2020Power transformers - Part 15: Gas-filled power transformers (English PDF)

电力变压器第15部分：充气式电力变压器

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

March 31, 2020

Implementation date

October 1, 2020

Scope

GB/T 1094.15-2020 is the English-translated version of 电力变压器第15部分：充气式电力变压器.

GB/T 1094.15-2020 is the Chinese standard "Power transformers - Part 15: Gas-filled power transformers". Its scope clause reads: This part of GB/T 1094 specifies the terms and definitions, operating conditions, rated values and general requirements of gas-filled power transformers.

Requirements for a transformer with tapped windings, connection and connection group label, nameplate, safety, environmental and other requirements, deviations, tests, electromagnetic compatibility (EMC), high-frequency operation transient, grounding terminal, and information needed for inquiries and orders.

This section applies to three-phase and single-phase gas-filled power transformers (including autotransformers), but does not include certain small and special transformers Device, such as. ---Single-phase transformer with rated capacity less than 1kVA and three-phase transformer with 5kVA; --- Transformers whose winding rated voltage is not higher than 1000V; --- Transformer; ---Electric locomotive traction transformer; ---Starting transformer; ---Test transformer; --- Welding transformer.

When certain types of transformers (especially special industrial transformers whose winding voltage is not higher than 1000V) do not have corresponding standards On time, this section can be applied in whole or in part.

This section does not involve the requirements for transformer installation in public places. For relevant standards For transformers and reactors, this section is only applicable to the scope of content that is explicitly mentioned in the product standard.

These products (standard) include. ---Reactor (GB/T 1094.6); ---Self-protection transformer (IEC 60076-13); --- Transformers for wind power generation (GB/T 1094.16); ---Traction transformer and traction reactor (GB/T 25120); ---Industrial converter transformer (GB/T 18494.1); ---Converter transformer for HVDC (GB/T 18494.2).

Note 1.There are several provisions or recommendations in this section that involve some alternatives, additional technical solutions or procedures that need to be reached.

Such agreements should be controlled by Reached by the manufacturer and the user. Issues should be raised early, and agreements should be included in technical specifications.

Note 2.This section also applies to the gas part of the transformer that uses insulating gas and insulating liquid at the same time.

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Document preview — GB/T 1094.15-2020

National Standard of the People's Republic of China

ICS: 29.180
Classification: K 41

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

Preface
1 Scope
2 Normative references
3 Terms and definitions
4 Conditions of use
5 Ratings and general requirements
6 Requirements for a transformer with tap winding
7 Connection and connection group label
8 Nameplate
9 Safety, environmental and other requirements
10 Deviation
11 Experiment
12 Electromagnetic compatibility (EMC)
13 High-frequency operation transient
14 Ground terminal
15 Information needed for inquiries and orders
Appendix A (informative appendix) Instantaneous load---mathematical model
Appendix B (informative appendix) Technical requirements for inquiries and orders
Appendix C (informative appendix) meters, indicators and relays for gas-filled power transformers

1 Scope

This part of GB/T 1094 specifies the terms and definitions, operating conditions, rated values and general requirements of gas-filled power transformers.

This section applies to three-phase and single-phase gas-filled power transformers (including autotransformers), but does not include certain small and special transformers

Device, such as.

---Single-phase transformer with rated capacity less than 1kVA and three-phase transformer with 5kVA;

--- Transformers whose winding rated voltage is not higher than 1000V;

--- Transformer;

---Electric locomotive traction transformer;

---Starting transformer;

---Test transformer;

--- Welding transformer.

When certain types of transformers (especially special industrial transformers whose winding voltage is not higher than 1000V) do not have corresponding standards

On time, this section can be applied in whole or in part. This section does not involve the requirements for transformer installation in public places. For relevant standards

For transformers and reactors, this section is only applicable to the scope of content that is explicitly mentioned in the product standard. These products (standard) include.

---Reactor (GB/T 1094.6);

---Self-protection transformer (IEC 60076-13);

--- Transformers for wind power generation (GB/T 1094.16);

---Traction transformer and traction reactor (GB/T 25120);

---Industrial converter transformer (GB/T 18494.1);

---Converter transformer for HVDC (GB/T 18494.2).

Note 1.There are several provisions or recommendations in this section that involve some alternatives, additional technical solutions or procedures that need to be reached. Such agreements should be controlled by

Reached by the manufacturer and the user. Issues should be raised early, and agreements should be included in technical specifications.

Note 2.This section also applies to the gas part of the transformer that uses insulating gas and insulating liquid at the same time.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated references, the latest version (including all amendments) applies to this document.

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

GB/T 1094.2-2013 Power transformer Part 2.Temperature rise of liquid immersed transformer (IEC 60076-2.2011, MOD)

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

3.2013, MOD)

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

GB/T 10228 | GB/T 8286 | GB 1094.1 | GB/Z 1094.20 | GB/T 1094.16 | GB/T 1094.7 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 42 pages — is available in the English PDF.

Referenced standards

Normative references

IEC 60076 · GB/T 1094.2-2013 · GB/T 1094.5 · GB/T 1094.5-2008

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