GB/T 37011-2018Technical specification of transformers for VSC-HVDC applications (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the terms and definitions, symbols and abbreviations, and product conclusions of flexible DC transmission transformers (also referred to as flexible transformers). Construction and classification, product model, conditions of use, technical requirements, deviations, test items and methods, nameplates, signs, packaging, transportation and storage.

This standard applies to the following oil-immersed products connected to modular multi-level voltage source converters.

--- Symmetric single pole soft straight transformer;

--- Bipolar flexible transformer.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

GB/T 1094.1 Power transformers - Part 1: General

GB/T 1094.2 Power transformers - Part 2: Temperature rises of liquid immersed transformers

GB/T 1094.3-2017 Power transformers - Part 3: Insulation level, insulation test and external insulation air gap

GB/T 1094.5 Power transformers - Part 5: Ability to withstand shorts

GB/T 1094.7 Power transformers - Part 7: Load guides for oil-immersed power transformers

GB/T 1094.10 Power transformers - Part 10: Sound level determination

GB/T 2900.33 Electrotechnical terminology power electronics technology

GB/T 2900.95 Electrical terminology transformers, voltage regulators and reactors

GB/T 3859.1 General requirements for semiconductor converters and power transformers - Part 1-1. Basic requirements

GB/T 4109 Insulating bushing with AC voltage higher than 1000V

GB/T 10230.1 Tap-changer Part 1: Performance requirements and test methods

GB/T 10230.2 Tap-changer Part 2: Application guidelines

GB/T 17623 Determination of the content of dissolved gases in insulating oil by gas chromatography

GB/T 18494.2 Transformer transformers Part 2: Converter transformers for HVDC transmission

GB/T 20838 Technical parameters and requirements for oil-immersed converter transformers for HVDC transmission

GB/T 30553 high voltage direct current transmission based on voltage source converter

JB/T 501 Power Transformer Test Guide

JB/T 3837-2016 Transformer product model preparation method

IEC /IEEE65700-19-03 DC Power Transmission Bushing (BushingsforDCapplication)

IEEE compliant Substation Seismic Design of Substations (RecommendedPracticeforSeismicDesignofSubstations)

3 Terms and definitions

Defined in GB/T 1094.1, GB/T 1094.2, GB/T 2900.33, GB/T 2900.95, GB/T 3859.1 and GB/T 30553 And the following terms and definitions apply to this document.