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GB/T 45932-2025 English PDF

Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 45932-2025RFQ ASK 3 days Common specifications for high-voltage direct current switchgear and controlgear standards Valid

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Basic data

Standard ID: GB/T 45932-2025 (GB/T45932-2025)
Description (Translated English): Common specifications for high-voltage direct current switchgear and controlgear standards
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K43
Classification of International Standard: 29.130.10
Word Count Estimation: 118,185
Date of Issue: 2025-06-30
Date of Implementation: 2026-01-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45932-2025: Common specifications for high-voltage direct current switchgear and controlgear standards


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ICS 29.130.10 CCSK43 National Standard of the People's Republic of China HVDC switchgear and controls Common technical requirements for equipment standards Released on June 30, 2025 Implementation on January 1, 2026 State Administration for Market Regulation The National Standardization Administration issued

Table of Contents

Preface VII 1 Scope 1 2 Normative references 1 3 Terms and Definitions 2 3.1 General Terms and Definitions 3 3.2 Assembly of switchgear and controlgear 6 3.3 Components of the final assembly 6 3.4 Switchgear 7 3.5 Components of switchgear and controlgear 8 3.6 Operating characteristics of switchgear and controlgear 11 3.7 Characteristic parameters 15 4 Normal and special conditions of use 15 4.1 Normal use conditions 15 4.2 Special conditions of use 16 5 Rating 17 5.1 General Principles 17 5.2 Rated DC voltage (Urd) 18 5.3 Rated insulation level (Udd, Up and Us) 18 5.4 Rated continuous current (Ird) 21 5.5 Short-time withstand current rating 21 5.6 Rated supply voltage of auxiliary and control circuits (Ua) 23 5.7 Rated frequency of auxiliary and control circuit supply voltage 24 5.8 Rated pressure of compressed gas source for controlled pressure system 24 6 Design and Structure 24 6.1 Requirements for liquids in switchgear and controlgear 24 6.2 Gas requirements for switchgear and controlgear 24 6.3 Grounding of switchgear and controlgear 24 6.4 Auxiliary and control equipment and circuits 24 6.5 Power Operation 27 6.6 Energy Storage Operation 28 6.7 Operations that do not rely on non-locking (operations that do not rely on manpower or power) 28 6.8 Human-operated actuators 29 6.9 Trip Unit Operation 29 6.10 Pressure/Liquid Level Indicator 30 6.11 Nameplate 30 6.12 Interlocking device 31 6.13 Position indication 32 6.14 Degree of protection provided by enclosure 32 6.15 Selection of Outdoor Insulators 32 6.16 Gas and vacuum sealing 32 6.17 Liquid Sealing 33 6.18 Fire (flammability) 34 6.19 Electromagnetic Compatibility (EMC) 34 6.20 X-ray emission 34 6.21 Corrosion 34 6.22 Insulation and/or switching, operating filling pressure/level 34 7 Type test 34 7.1 General Principles 34 7.2 Insulation test 35 7.3 Loop resistance measurement 42 7.4 Continuous current test 43 7.5 Short-time withstand current and peak withstand current test 48 7.6 Protection level verification 49 7.7 Sealing test 50 7.8 Electromagnetic compatibility test (EMC) 52 7.9 Additional tests on auxiliary and control circuits 56 7.10 X-ray test of vacuum interrupter 59 8 Factory test 60 8.1 General Principles 60 8.2 Insulation test of main circuit 61 8.3 Tests of auxiliary and control circuits 61 8.4 Measurement of main circuit resistance 62 8.5 Sealing test 62 8.6 Design Inspection and Appearance Inspection 62 9 Guidelines for the selection of switchgear and controlgear 63 9.1 Overview 63 9.2 Selection of Ratings 63 9.3 Cable Interface 63 9.4 Continuous and temporary overloads caused by changes in operating conditions 63 9.5 Environmental aspects 63 10 Information provided when making inquiries, bidding and placing orders 64 10.1 General Principles 64 10.2 Inquiry and Order Information 64 10.3 Bidding Documents 65 11 Rules for transportation, storage, installation, operation and maintenance 65 11.1 General Principles 65 11.2 Conditions during transportation, storage and installation 66 11.3 Installation 66 11.4 Run 68 11.5 Maintenance 68 12 Safety 71 12.1 Overview 71 12.2 Precautions by the manufacturer 71 12.3 Precautions for users 71 13 Impact of products on the environment72 Appendix A (Informative) Example of Layout of Single-Pole Valve-Side Switchgear in HVDC Converter Stations 73 Appendix B (Informative) Pollution Level 75 B.1 Overview 75 B.2 Degree of filth 75 Appendix C (Normative) Preferred insulation levels for rated voltages below 105 kV 77 Appendix D (Informative) HVDC system short-circuit current 79 D.1 VSCHVDC 79 D.2 LCCHVDC 79 D.3 LCCHVDC DC Fault Special Case 80 D.4 HVDC systems with DC circuit breakers 81 D.5 Calculation of rated short-time withstand DC current 83 D.6 Calculation of Joule Integral (Ej) 83 Appendix E (Informative) Standards for Auxiliary and Control Circuit Components 84 Appendix F (Informative) List of Symbols 86 Appendix G (Normative) Rainproof test method for outdoor switchgear and control equipment 88 Appendix H (Normative) Tolerances of test parameters during the test 91 Appendix I (Informative) Extension of Type Test Validity 94 I.1 Overview 94 I.2 Insulation test 94 I.3 Short-time withstand current and peak withstand current test 94 I.4 Immunity test for auxiliary and control circuits 94 I.5 Environmental testing of auxiliary and control circuits 94 Appendix J (Normative) Confirmation of test sample 95 J.1 General Principles 95 J.2 Data 95 J.3 Drawing 95 Appendix K (Informative) Superimposed impulse voltage test circuit 97 K.1 Overview 97 K.2 Test circuit using DC blocking capacitors 97 K.3 Test circuit using a spherical gap 97 Appendix L (Normative) Information and technical requirements for enquiries, tenders and orders 98 L.1 General Principles 98 L.2 Normal and special conditions of use (see Chapter 4) 98 L.3 Rated value (see Chapter 5) 98 L.4 Design and construction (see Chapter 6) 99 L.5 System Information 100 L.6 Inquiry and Bid Documents 100 Appendix M (Informative) Field Measurement of Electromagnetic Compatibility 101 Reference 102 Figure 1 Typical waveform of short-circuit current in a HVDC system 21 Figure 2 Example of contact rating 27 Figure 3 Connection diagram of switch device 38 Figure 4 Schematic diagram of superimposed impulse voltage test 40 Figure 5 Test sequence for polarity reversal test 41 Figure 6 Test circuit diagram for radio interference voltage test 53 Figure 7 Location of the radiation measuring instrument 60 Figure A.1 Example of switchgear arrangement on the single-pole HVDC side of an HVDC converter station 73 Figure D.1 Worst-case VSCHVDC, pole-to-pole DC fault 79 Figure D.2 Worst-case LCCHVDC, pole-to-pole DC fault 80 Figure D.3 Special case of LCCHVDC worst case, pole-to-pole DC fault 80 Figure D.4 Worst-case HVDC system with DC circuit breaker, pole-to-pole DC fault 82 Figure D.5 Simplified model of DC circuit breaker 82 Figure D.6 Calculation of equivalent fault current for rated short-time withstand DC current 83 Figure G.1 Test arrangement for climate protection 89 Figure G.2 Nozzle 90 for climate protection test Figure K.1 Test circuit for superimposed impulse test using DC blocking capacitors 97 Figure K.2 Test circuit for superimposed impact test using a spherical gap 97 Table 1 Rated insulation level 19 Table 2 DC voltage 23 Table 3 AC voltage 23 Table 4 Auxiliary contact rating 27 Table 5 Nameplate information 30 Table 6 Test conditions under normal circumstances 38 Table 7 Test conditions for impulse voltage test on isolating break (or opening break) 38 Table 8 Test conditions for superimposed impulse voltage test 39 Table 9 Test conditions for polarity reversal test 41 Table 10 Temperature and temperature rise limits of various components, materials and insulating media of high-voltage DC switchgear and control equipment 45 Table 11 Allowable Leakage Rate of Gas System 51 Table 12 Voltage application during electrical fast transient burst immunity test 54 Table 13 Voltage application during damped oscillation wave immunity test 55 Table 14 Evaluation criteria for transient interference immunity test 55 Table B.1 Examples of environments corresponding to DC site pollution levels 75 Table C.1 Preferred rated insulation levels for rated voltages below 105 kV 77 Table C.2 Rated insulation levels for medium voltage DC voltage levels on ships 77 Table C.3 Rated insulation level for rail transit 78 Table E.1 Reference standard list of auxiliary and control circuit components 84 Table F.1 Symbol List 86 Table H.1 Tolerances of test parameters during type test 91 Table J.1 Drawing 95 Table L.1 Normal and special conditions of use 98 Table L.2 Rating 98 Table L.3 Design and structure 99 Table L.4 System Information 100 Table L.5 Inquiry form and tender documents 100 Preface This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. This document is modified to adopt IEC TS62271-5.2024 "High-voltage switchgear and controlgear Part 5.DC switchgear and controlgear" The document type was adjusted from IEC technical specification to my country's national standard. The technical differences between this document and IEC TS62271-5.2024 and their reasons are as follows. --- Changed the applicable voltage range to meet the actual situation of my country's power grid (see Chapter 1); --- Regarding the normative reference documents, this document has made adjustments with technical differences to adapt to my country's technical conditions. Reflected in Chapter 2 "Normative References", the specific adjustments are as follows. ● Normative reference GB/T 311.1-2012 replaces IEC 60071-1.2019; ● The normative reference GB 2536 replaces IEC 60296; ● Normative reference GB/T 4208-2017 replaces IEC 60529; ● Normative reference GB 4824 replaces CISPR11; ● The normative reference GB/T 5465.2 replaces IEC 60417; ● The normative reference GB/T 7354 replaces IEC 60270; ● GB/T 8905 is used as the normative reference instead of IEC 60480; ● Normative reference GB/T 11022-2020 replaces IEC 62271-1.2017; ● Normative reference GB/T 11287 replaces IEC 60255-21-1; ● Normative reference GB/T 11604 replaces IEC TRCISPR18-2; ● The normative reference GB/T 16927.1 replaces IEC 60060-1; ● Normative reference GB/T 17626.4 replaces IEC 61000-4-4; ● Normative reference GB/T 17626.11 replaces IEC 61000-4-11; ● Normative reference GB/T 17626.17 replaces IEC 61000-4-17; ● Normative reference GB/T 17626.18 replaces IEC 61000-4-18; ● Normative reference GB/T 17626.29 replaces IEC 61000-4-29; ● Normative reference GB/T 17627 replaces IEC 61180; ● Normative reference GB/T 17799.2 replaces IEC 61000-6-2; ● Normative reference GB/T 20138 replaces IEC 62262; ● Normative reference GB/T 21711.7-2018 replaces IEC 61810-7; ● Normative reference GB/T 22707 replaces IEC TR61245; ● The normative reference GB/T 24623 replaces IEC 60437; ● Normative reference GB/T 26218.4-2019 replaces IEC TS60815-4.2016; ● Deleted IEC 60038.2009, IEC 60050-614.2016, IEC 60050-811, IEC 60050-826.2022, IEC 60068-2-1.2007, IEC 60068-2-2.2007, IEC 60068-2-17.1994, IEC 60068-2-30.2005, IEC 60071-2.2018, IEC 60071-11.2022, IEC 60085.2007, IEC 60376, IEC 60512-2-2, IEC 60633.2019, IEC 61000-6-5, IEC 62271-4, CISPR16-1 (all parts); ● Added references to GB/T 762, GB/T 2423 (all parts), GB/T 2900.19-2022, GB/T 2900.20- 2016, GB/T 4796.1, GB/T 4797 (all parts), GB/T 4798 (all parts), GB/T 5095.2, GB/T 12022, GB/T 28534, IEC 61850 (all parts), IEC TR 62271-306.2012 AMD1.2018; --- Deleted the term 3.1.30 "multi-part test" in IEC TS62271-5.2024; ---According to the actual DC field pollution level classification standard in my country, confirm the normal and special use conditions of switches and control equipment. the degree of filthiness (see Chapter 4); ---According to the actual power grid situation in my country, 5.2.2 is revised to ±105kV, ±168kV, ±210kV, ±265kV, ±340kV, ±408kV, ±525kV, ±630kV, ±695kV, ±816kV, ±1122kV (see 5.2.2); --- The rated insulation level in Table 1 has been modified in accordance with the requirements of my country's insulation coordination (see 5.3); --- Examples of other preferred values for increasing the rated short-circuit duration (see 5.5.4); --- Modified the rated supply voltage standard value according to the actual situation of my country's power grid (see 5.6.2); --- Changed the applicable frequency range to meet the actual situation of my country's power grid (see 5.7); --- Added the requirement of "When the supply voltage is less than or equal to 30% of the rated supply voltage, it should not trip" to meet the actual actual situation (see 6.9); --- Changed the lower limit of the power supply voltage from "70% (DC)" to "65% (DC)" to meet the actual situation in my country (see 6.9.3); --- Added the requirements for type test cycle and factory transfer and off-site production to conform to the specific reality of my country (see 7.1.1); --- Figure 5 has been improved (see 7.2.7.6); --- Changed the selection judgment value of the rated continuous current error in 7.3.4.1 (see 7.3.4.1); --- Changed the ambient temperature during the sealing test to coordinate with the relevant standards of my country (see 7.7.1); --- Changed the test voltage value and duration of the insulation test of the auxiliary and control circuits in the factory test, and changed the "test voltage is 1kV, duration 1s" is changed to "test voltage 2kV, duration 1min, or test voltage 2.5kV, duration 1s. "(See 8.3.4); --- Based on the actual situation of my country's power grid, Appendix C has been rewritten and changed to a normative appendix (see Appendix C); --- Deleted Appendix N of IEC TS62271-5.2024 which is not related to my country's standard system. The following editorial changes have been made to this document. --- To be consistent with my country's standard system, the name of this document will be changed to "Common Technical Specifications for High-Voltage DC Switchgear and Control Equipment Standards Require"; ---Deleted the content of 3.8 index; --- The expression of the Joule integral of the test current in 7.5.3 has been modified according to mathematical logic. The original IEC text is incorrect; --- Formula (1), Formula (2) and Formula (D.9) have been modified. The original IEC text is incorrect; --- Based on the actual DC field pollution level classification standard in my country, Appendix B has been rewritten (see Appendix B). Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed by the China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Technical Committee for Standardization of High-voltage Switchgear (SAC/TC65). This document was drafted by. Xi'an High Voltage Electrical Equipment Research Institute Co., Ltd., China Southern Power Grid Research Institute Co., Ltd., Xi'an Electric Switchgear Co., Ltd., State Grid Economic and Technological Research Institute Co., Ltd., Xi'an XD High Voltage Switchgear Co., Ltd., Xi'an High Voltage Electrical Equipment Co., Ltd. Changzhou Research Institute Co., Ltd., Xi'an XD Power System Co., Ltd., Shandong Taikai Complete Electric Co., Ltd., Hunan Changgao Electric Co., Ltd. Co., Ltd., Shandong Electric Power Distribution Technology Development Co., Ltd., New Northeast Electric Group High Voltage Switchgear Co., Ltd., Henan Pinggao Electric Co., Ltd. Company, China Electric Equipment Group Science and Technology Research Institute Co., Ltd., Zhejiang Xingxin New Energy Co., Ltd., Xidian Baoji Electric Co., Ltd., Shanghai Siyuan High Voltage Switchgear Co., Ltd., Shandong Taikai Disconnector Co., Ltd., China Electric Power Research Institute Co., Ltd., China Southern Power Electric Power Research Institute of Ultra-High Voltage Transmission Company of China Power Network Co., Ltd., Xi'an XD Electrical Materials Co., Ltd., Schneider Electric (China) Co., Ltd. Company, ABB (China) Co., Ltd., Suzhou Electric Science Research Institute Co., Ltd., Shanghai Siemens High Voltage Switchgear Co., Ltd., Pinggao Group Co., Ltd., Longyan University, State Grid Sichuan Electric Power Company Electric Power Research Institute, Hongguang Electric Group Co., Ltd., Schneider Electric (Xiamen) Switchgear Co., Ltd., Beijing Shuangjie Electric Co., Ltd., State Grid Shaanxi Electric Power Co., Ltd. Electric Power Research Institute, Shenyang Yang University of Technology, Institute of Standards and Metrology of China Academy of Railway Sciences Group Co., Ltd., Beijing Haochuang Ruitong Electrical Equipment Co., Ltd. China Southern Power Grid Co., Ltd., Xinghua Testing Co., Ltd., China Academy of Railway Sciences Group Co., Ltd., Zhejiang Juhong Kaizhi Energy Electric Co., Ltd., Ningbo AUX Intelligent Technology Co., Ltd., and Shenzhen Guanghui Electric Industrial Co., Ltd. The main drafters of this document are. Li Gang, Jia Tao, Tian Enwen, Wang Shuaibing, Zheng Jingyi, Nan Zhenle, Lu Yuxin, Sun Mei, Shen Xiaolin, Wang Peiren, Chen Gaoxiang, Liu Chen, Li Jiang, Ren Junhui, Su Chunqiang, Li Peizhong, Jiang Ziyuan, Yang Zhen, Wang Hao, Yang Hongwei, Wang Bo, Wu Wenhai, Liu Yu, Sun Qingfeng, Liu Wei, Chen Xiaohua, Zhang Zixiao, Wang Nan, Li Shancheng, Lan Jian, Feng Wujun, Zheng Yuhong, Yang Chao, Wang Ao, Zhang Changhong, Guo Chong, Lei Xiaoqiang, Xie Jianbo, Xing Na, Hu Jing, Wang Xiangke, Zhang Zhongle, Chen Chen, Sun Keke, He Yongming, Zheng Yao, Bian Xin, Su Taiyu, Wang Jiayi, Wang Huoyong, Wu Hongwei, Sun Long, Niu Bo, Geng Zhenxin, Lei Dong, Wu Dabin, Yan Xiuzhang, Luo Wei, Wang Peng, Dai Wenrui, Wang Xingwang, Li Min, Liu Guozhen, and He Wei. HVDC switchgear and controls Common technical requirements for equipment standards 1 Scope This document defines the terms and definitions of high-voltage DC switchgear and controlgear, and specifies the conditions of use, ratings, design and construction. The corresponding test methods are described. This document is applicable to DC equipment designed for installation indoors or outdoors and operating on high voltage DC systems with a DC voltage of 1.5 kV and above. Switchgear and controlgear. Unless otherwise specified in the relevant product standards for specific types of switchgear and controlgear, this document applies to all high voltage DC switchgear and controlgear. 2 Normative references The contents of the following documents constitute the essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 311.1-2012 Insulation coordination Part 1.Definitions, principles and rules (IEC 60071-1.2006, MOD) GB/T 762 Standard Current Levels (equiv. IEC 60059.1999) GB/T 2423 (all parts) Environmental testing for electric and electronic products Part 2.Test methods GB 2536 Unused mineral insulating oil for electrical fluid transformers and switches (GB 2536-2011, IEC 60296. 2003, MOD) GB/T 2900.19-2022 Electrical terminology - High voltage test techniques and insulation coordination GB/T 2900.20-2016 Electrical terminology - High-voltage switchgear and controlgear [IEC 60050(441).1984, MOD] GB/T 4208-2017 Degrees of Protection Provided by Enclosures (IP Code) (IEC 60529.2013, IDT) GB/T 4796.1 Classification of environmental conditions Part 1.Environmental parameters and their severity (GB/T 4796.1-2017, IEC 60721-1.2002, IDT) GB/T 4797 (all parts) Classification of environmental conditions Natural environmental conditions [IEC 60721-2 (all parts)] GB/T 4798 (all parts) Classification of environmental conditions Classification of environmental parameter groups and thei......
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