GB/T 20837-2007 in English

《GB/T 20837-2007高压直流输电用油浸式平波电抗器技术参数和要求》由604-2（中国电器工业协会）归口，TC44（全国变压器标准化技术委员会）执行，主管部门为中国电器工业协会。
本标准规定了 500kV级及以下直流输电用油浸式平波电抗器的性能参数、技术要求、测试项目、标志、包装、运输和贮存，并在附录A中给出了一些具体产品的有关性能参数实例。本标准适用于500kV级及以下直流输电用单相油浸式平波电抗器。

1 Scope

This standard specifies the performance parameters, technical requirements, test items, marking, packing, transport and storage of ±500kV or below oil-immersed smoothing reactors for DC applications (hereinafter referred to as reactors) and some performance parameters examples for some specific products are provided in Appendix A.
This standard is applicable to ±500kV or below single-phase oil-immersed smoothing reactors for DC applications.

2 Normative References

The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments (excluding amending errors in the text) to, or revisions of, any of these publications do not apply. However, all parties coming to an agreement according to this standard are encouraged to study whether the latest editions of these documents are applicable. For undated references, the latest edition of the normative documents referred to applies.
GB 1094.1 "Power Transformers--Part 1: General" (GB 1094.1-1996, eqv IEC 60076-1: 1993)
GB 1094.2 "Power Transformers--Part 2: Temperature Rise" (GB 1094.2-1996, eqv IEC 60076-2: 1993)
GB 1094.3 "Power Transformers--Part 3: Insulation Levels, Dielectric Tests and External Clearances in Air" (GB 1094.3-2003, IEC 60076-3: 2000, MOD)
GB/T 1094.10 "Power Transformers--Part 10: Determination of Sound Levels" (GB/T 1094.10-2003, IEC 60076-10: 2001, MOD)
GB/T 10229-1988 "Reactors" (eqv IEC 60289: 1987)
GB/T 20836-2007 "Oil-immersed Smoothing Reactors for HVDC Applications"
IEC 60296:2003 "Fluids for Electrotechnical Applications - Unused Mineral Insulating Oils for Transformers and Switchgear"

3 Performance Parameters

Contents
Foreword I
Introduction II
1 Scope
2 Normative References
3 Performance Parameters
4 Insulation Level
5 Technical Requirements
6 Test Items and Requirements
7 Marking, Packing, Transport and Storage
Appendix A (Informative) Reactors-related Performance Parameters Examples
Appendix B (Informative) Example of Calculating External Direct Voltage, Polarity Reversal Voltage and External Alternating Voltage