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GB/T 39269-2020 English PDF

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GB/T 39269-2020: Voltage dip and short interruption. Immunity testing method for low voltage equipment
Status: Valid
Standard IDUSDBUY PDFLead-DaysStandard Title (Description)Status
GB/T 39269-2020339 Add to Cart 4 days Voltage dip and short interruption. Immunity testing method for low voltage equipment Valid

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Basic data

Standard ID: GB/T 39269-2020 (GB/T39269-2020)
Description (Translated English): Voltage dip and short interruption. Immunity testing method for low voltage equipment
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K04
Classification of International Standard: 29.020
Word Count Estimation: 18,168
Date of Issue: 2020-11-19
Date of Implementation: 2021-06-01
Quoted Standard: GB/T 17626.11-2008; GB/T 17626.34-2012; GB/T 30137-2013; GB/T 32507-2016
Regulation (derived from): National Standard Announcement No. 26 of 2020
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration
Summary: This standard specifies the test dimensions of voltage sag and short-term interruption tolerance characteristics of low-voltage equipment, the performance criteria of the equipment under test, test equipment, test arrangements, test requirements, test procedures and test results, reports and data formats. This standard applies to electrical equipment with a rated voltage not exceeding 1 kV and a rated frequency of 50 Hz.

GB/T 39269-2020: Voltage dip and short interruption. Immunity testing method for low voltage equipment


---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Voltage sag/short-term interruption Low-voltage equipment withstand characteristics test method) ICS 29.020 K04 National Standards of People's Republic of China Voltage dip/short interruption Low-voltage equipment withstand characteristics test method 2020-11-19 released 2021-06-01 implementation State Administration for Market Regulation Issued by the National Standardization Management Committee

Table of contents

Foreword Ⅰ 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Test dimension 3 4.1 Dimension order 3 4.2 Residual voltage and duration 3 4.3 Other features 3 4.4 Types of voltage sag 3 4.5 Working condition 3 of the equipment under test 5 Performance criteria of the equipment under test 4 6 Test equipment 4 6.1 Voltage sag generator 4 6.2 Data Acquisition System 4 7 Test layout 4 8 Test requirements 5 8.1 Single-phase equipment 5 8.2 Three-phase equipment 5 9 Test process 6 9.1 Test preparation 6 9.2 Test implementation 6 10 Test results 6 11 Test report 7 12 Test data format 8 Appendix A (normative appendix) Three-phase system voltage sag test phasor 9 Appendix B (informative appendix) Description of incremental method 10 Appendix C (informative appendix) Test report template 12 Reference 15

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. Please note that certain contents of this document may involve patents. The issuing agency of this document is not responsible for identifying these patents. This standard was proposed and managed by the National Standardization Technical Committee for Voltage, Current Rating and Frequency (SAC/TC1). Drafting organizations of this standard. Guangdong Power Grid Co., Ltd. Guangzhou Power Supply Bureau Electric Power Test and Research Institute, South China University of Technology, China Machinery Productivity Promotion Center, North China Electric Power University, Sichuan University, State Grid Fujian Electric Power Co., Ltd. Electric Power Research Institute, Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Global Energy Internet Research Institute Co., Ltd., State Grid Henan Electric Power Company Electric Power Research Institute, State Grid Shanxi Province Electric Power Research Institute, State Grid Jiangsu Electric Power Co., Ltd. Electric Power Research Institute, Xi’an Boyu Electric Co., Ltd., State Grid North Beijing Electric Power Company Electric Power Research Institute, State Grid Shanghai Electric Power Research Institute, Yunnan Power Grid Co., Ltd. Electric Power Science Research Institute, State Grid Jiangsu Electric Power Co., Ltd. Wuxi Power Supply Branch, Shenzhen China Power Technology Co., Ltd., Shanghai Jiaotong University, Anhui University, Nanjing Guochen DC Power Distribution Technology Co., Ltd., Wuhan Keliyuan Electric Co., Ltd. The main drafters of this standard. Xu Zhong, Zhong Qing, Mo Wenxiong, Ma Zhiyuan, Liu Jing, Xu Yonghai, Wang Yong, Zheng Zixuan, Zhou Kai, Lin Fang, Ma Ming, Wang Tongxun, Tang Yuzheng, Li Shengwen, Chen Bing, Liu Juncheng, Yu Xijuan, Pan Aiqiang, Xing Chao, Qin Jun, Wang Xin, Shi Mingming, Li Rui, Zhu Mingxing, Chen Wenbo, Qu Lifeng. Voltage dip/short interruption Low-voltage equipment withstand characteristics test method

1 Scope

This standard specifies the test dimensions of the voltage sag and short-term interruption withstand characteristics of low-voltage equipment, the performance criteria of the equipment under test, the test equipment, Test layout, test requirements, test procedures and test results, reports and data formats. This standard applies to electrical equipment with a rated voltage not exceeding 1kV and a rated frequency of 50Hz.

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 17626.11-2008 Electromagnetic compatibility test and measurement technology Voltage sag, short-term interruption and voltage change immunity test GB/T 17626.34-2012 Electromagnetic compatibility test and measurement technology The voltage of equipment with main power supply current greater than 16A per phase Immunity test for dips, short interruptions and voltage changes GB/T 30137-2013 Power quality voltage sag and short-term interruption GB/T 32507-2016 Power quality terminology

3 Terms and definitions

GB/T 17626.34-2012, GB/T 30137-2013 and GB/T 32507-2016 defined and the following terms and definitions apply to This document. For ease of use, GB/T 17626.34-2012, GB/T 30137-2013 and GB/T 32507- Some terms and definitions in.2016. 3.1 Voltage dip The root mean square value of the power frequency voltage at a certain point in the power system suddenly decreases to 0.1pu~0.9pu, and after a short duration of 10ms~1min Return to normal. [GB/T 30137-2013, definition 3.1] 3.2 Short interruption The root-mean-square value of the power frequency voltage at a certain point in the power system suddenly drops below 0.1pu, and resumes after a short duration of 10ms~1min normal phenomenon. [GB/T 30137-2013, definition 3.2] 3.3 Voltage sag tolerance The ability of electrical equipment to maintain normal operation even when a voltage sag occurs in its power supply. Note. Rewrite GB/T 32507-2016, definition 2.8.22.
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