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GB/T 24337-2009 English PDF

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GB/T 24337-2009: Power quality -- Inter-harmonics in public supply network
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Basic data

Standard ID GB/T 24337-2009 (GB/T24337-2009)
Description (Translated English) Power quality -- Inter-harmonics in public supply network
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K04
Classification of International Standard 29.020
Word Count Estimation 14,190
Date of Issue 2009-09-30
Date of Implementation 2010-06-01
Quoted Standard GB/T 14549-1993
Regulation (derived from) Announcement of Newly Approved National Standards No. 10 of 2009 (No. 150 overall)
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the utility grid harmonic voltage between the permissible limit values ??and the side volume method. This standard applies to AC rated frequency of 50Hz, rated voltage 220kV and below the utility grid.

GB/T 24337-2009: Power quality -- Inter-harmonics in public supply network

---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.
Power quality.Interharmonics in public supply network ICS 29.020 K04 National Standards of People's Republic of China Power Quality Common Interval Harmonics 2009-09-30 release 2010-06-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People 's Republic of China China National Standardization Management Committee released Directory Preface I 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 limit 2 5 measurement of the value and measurement conditions 2 6 Accuracy of measuring instruments 3 Appendix A (normative appendix) Interharmonic voltage content and beat frequency curve 4 Appendix B (informative) Interharmonics and its hazard and set concept introduction 6 Reference 10

Foreword

This standard in the development of standards in the process of combining China's power grid with the specific characteristics of power quality problems, and reference to the IEC and IEEE And other international and foreign standards of the relevant standards and literature. Appendix A of this standard is a normative appendix; Appendix B is an informative appendix. This standard is proposed by the National Voltage and Current Rating and Frequency Standardization Technical Committee (SAC/TC1). The main drafting unit of this standard. Xi'an Power Quality Research Institute and Shenzhen City Technology Co., Ltd., China Electric Power Research Hospital, in the machine productivity promotion center, Shaanxi Electric Power Dispatching Center, China Metallurgical Jingcheng Engineering Technology Co., Ltd. The main drafters of this standard. Liu Juncheng, Lin Haixue, Zhang Ping, Jiao Li, Zeng Youyun. Power Quality Common Interval Harmonics

1 Scope

This standard specifies the allowable limits and the method of measuring the harmonic voltage between the public grid. This standard applies to the exchange rated frequency of 50Hz, the nominal voltage of 220kV and below the public grid.

2 normative reference documents

The terms of the following documents are hereby incorporated by reference into this standard. Whichever is the date of the reference file, which is followed by all (Excluding corrigenda) or revisions do not apply to this standard, however, encourage the parties to reach an agreement under this standard Whether you can use the latest version of these files. For undated references, the latest edition applies to this standard. Power quality - Harmonics of public power grid GB/T 14549-1993

3 terms and definitions

3.1 User access to the public grid connection. [GB/T 14549-1993, Definitions 3.1] 3.2 Measure the interharmonics between the grid and the user. Note. rewrite GB/T 14549-1993, definition 3.2. 3.3 Fourier series decomposition of periodic traffic is carried out, and the same frequency and frequency are obtained. [GB/T 14549-1993, definition 3.3] 3.4 The Fourier series decomposition of the periodic traffic is carried out to obtain the component whose frequency is greater than 1 integer multiple of the fundamental frequency. [GB/T 14549-1993, definition 3.4] 3.5 The ratio of the harmonic frequency to the fundamental frequency. [GB/T 14549-1993, definition 3.5] 3.6 The Fourier series decomposition of the periodic traffic is carried out to obtain the component whose frequency is not equal to an integer multiple of the fundamental frequency. 3.7

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