GB/T 41635-2022 English PDF

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GB/T 41635-2022: Guide for the finite element calculation of electric field distribution for the electric equipment in high altitude area
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 41635-2022	419	Add to Cart	4 days	Guide for the finite element calculation of electric field distribution for the electric equipment in high altitude area	Valid

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Basic data

Standard ID: GB/T 41635-2022 (GB/T41635-2022)
Description (Translated English): Guide for the finite element calculation of electric field distribution for the electric equipment in high altitude area
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: K40
Word Count Estimation: 22,292
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 41635-2022: Guide for the finite element calculation of electric field distribution for the electric equipment in high altitude area

---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.
Guide for the finite element calculation of electric field distribution for the electric equipment in high altitude area ICS 29.020 CCSK40 National Standards of People's Republic of China Guidelines for Finite Element Calculation of Electric Field Distribution of High Altitude Electrical Equipment Published on 2022-07-11 2023-02-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration directory Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Calculation Type 1 5 Basic principles and processes 2 6 General Requirements 2 7 General rules for establishing finite element electric field model 2 8 Influence of high altitude climatic environment on electrical equipment 6 9 High Altitude Withstand Voltage and Creepage Distance Correction Method 7 10 Outcome Influencing Factors 7 11 Deviation and result judgment 8 Appendix A (Informative) Basic Principles and Processes of Finite Element Calculation of Electric Field Distribution of High Altitude Electrical Equipment 9 Appendix B (informative) Impact of high altitude climatic environment on electrical equipment 11 Appendix C (normative) Selection of common parameters 14 Appendix D (normative) Determination of finite element numerical results 17

foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" drafted. Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents. This document is proposed by China Electrical Equipment Industry Association. This document is under the jurisdiction of the National Standardization Technical Committee of Plateau Electrical Products Environmental Technology (SAC/TC330). This document is drafted by. Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming Electrical Appliance Research Institute, Shandong Ruining Electric Co., Ltd. Co., Ltd., Xi'an Jiaotong University, Yunnan Power Grid Co., Ltd., Zhejiang Besun New Energy Development Co., Ltd., Hefei University of Technology, Shaanxi Construction Engineering Installation Group New Energy Co., Ltd., Jiangxi Zhanyu Photovoltaic Technology Co., Ltd., Guangxi University, China Southern Power Grid Co., Ltd. Electric Power Transmission Company, State Grid Anhui Electric Power Co., Ltd. Electric Power Research Institute, China Southern Power Grid Co., Ltd. Scientific Research Institute, Guangxi Power Grid Co., Ltd. Electric Power Research Institute, Yunnan Agricultural University, China Southern Power Grid Co., Ltd. EHV Transmission Company Guiyang Bureau, China Southern Power Grid Co., Ltd. EHV Transmission Company Kunming Bureau, Kunming University of Science and Technology, Yunnan Electromechanical Vocational and Technical College, Yunnan Province Energy Research Institute Co., Ltd., Anhui Senyuan Electric Co., Ltd., Yunnan Kungang Electronic Information Technology Co., Ltd. The main drafters of this document. Tan Xiangyu, Zhao Xianping, Li Hong, Lu Wenjuan, Li Jing, Liu Xuandong, Yang Zhuo, Zhou Qiongfang, Cai Xiaobin, Li Ping, Wang Ke, Wen Tao, Wang Jing, Chai Qian, Zhang Yao, Zhang Yufa, Zhou Haiquan, Ma Yi, Rong Qi, Zhang Yiyi, Liu Jiefeng, Zhang Linshan, Peng Jing, Deng Jun, Ding Wei, Sun Bo, Zhang Rui, Zhang Qiaogen, Zhu Taiyun, Xu Xueqin, Li Ruihai, Li Dajian, Lv Gang, Liu Jinsong, Zhang Wenbin, Yang Zhihong, Zhao Yu, Zhang Ru, Wu Xiqiu, Yang Dong, Bai Jianmin and Peng Haibo. Guidelines for Finite Element Calculation of Electric Field Distribution of High Altitude Electrical Equipment

1 Scope

This document gives the calculation type, basic principle and process, general requirements, finite element calculation of electric field distribution of high-altitude electrical equipment General rules for establishing element electric field model, influence of high altitude climatic environment on electrical equipment, high altitude withstand voltage and creepage distance correction method, Result influencing factors, deviation and result judgment. This document is applicable to the finite element calculation of electric field distribution of electrical equipment used in areas with an altitude of 1000m~4000m. Altitude 1000m The finite element calculation of the electric field distribution of electrical equipment used in the following areas can be performed by reference.

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to this document. GB/T 311.1-2012 Insulation coordination - Part 1.Definitions, principles and rules GB/T 2900.71-2008 Electrical terminology electrical installations GB/T 16927.1-2011 High Voltage Test Technology Part 1.General Definition and Test Requirements GB 19517-2009 National Electrical Equipment Safety Technical Specification GB/T 33582-2017 General rules for finite element mechanical analysis of mechanical product structures

3 Terms and Definitions

GB/T 2900.71-2008, GB/T 16927.1-2011, GB 19517-2009, GB/T 33582-2017 and the following Listed terms and definitions apply to this document. 3.1 The highest electric field strength that a material can withstand under the action of an electric field to avoid being damaged (breakdown).

4 Calculation Types

4.1 Electrostatic field calculation If the operating voltage and frequency of electrical equipment are low, such as DC voltage or power frequency voltage, the wavelength of electromagnetic waves is much larger than the characteristic scale of the equipment. , an electrostatic field analysis should be used. 4.2 Transient electric field calculation If it is necessary to study the electric field distribution of electrical equipment under transient electrical stress conditions, the transition process should be added, and the test voltage should be corrected. The entire waveform value. Such as lightning impulse voltage (LI), operating impulse voltage (SI), fast transient overvoltage (VFTO), polarity reversal, etc. The above transient electrical stress includes multiple frequency components, and the transient electric field analysis should be used instead of the electrostatic field simulation calculation results. ......

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