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NB/T 41010-2018: Power supply technical guidelines for AC electric arc furnace - Power quality control
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Power supply technical guidelines for AC electric arc furnace - Power quality control
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NB/T 41010-2018
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Basic data | Standard ID | NB/T 41010-2018 (NB/T41010-2018) | | Description (Translated English) | Power supply technical guidelines for AC electric arc furnace - Power quality control | | Sector / Industry | Energy Industry Standard (Recommended) | | Classification of Chinese Standard | K04 | | Word Count Estimation | 30,348 | | Date of Issue | 2018-04-03 | | Date of Implementation | 2018-07-01 | | Regulation (derived from) | National Energy Administration Announcement No.4 of 2018 | | Issuing agency(ies) | National Energy Administration | NB/T 41010-2018: Power supply technical guidelines for AC electric arc furnace - Power quality control
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Power supply technical guidelines for AC electric arc furnace-Power quality control
ICS 29.02
K04
Record number. 64320-2018
People's Republic of China Energy Industry Standard
Guide for power supply technology of AC electric arc furnace
Power Quality Control
2018-04-03 release
2018-07-01 Implementation
Published by the National Energy Administration
Contents
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 General requirements 4
5 Power quality control scheme 4
6 Design and parameter check of power quality control device 8
7 Operation control 16
Appendix A (informative) Typical domestic high quality electric arc furnace power quality control device 18
Appendix B (informative) TCR harmonic current generation 19
Appendix C (informative) Check method for secondary filter branch parameters considering interharmonics 20
Appendix D (informative) Passive filter parameter check simulation case 22
References 27
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents.
This standard is proposed and managed by the National Technical Committee for Standardization of Voltage and Current Levels and Frequency (SAC/TC1).
This standard was drafted. Anhui University, State Grid Hebei Electric Power Company Electric Power Research Institute, State Grid Jiangsu Electric Power Company Power Science
Research Institute, Global Energy Internet Research Institute, Xi'an Boyu Electric Co., Ltd., State Grid Shanxi Electric Power Company Electric Power Research Institute, MCC Beijing
Cheng Engineering Technology Co., Ltd., Maanshan Iron and Steel Co., Ltd., InBev Electric Co., Ltd., Baosteel Anda Power Quality Co., Ltd.,
Anhui Tianyi Power Quality Technology Co., Ltd., Anhui Jieyuan Energy-saving Technology Co., Ltd., State Grid Anhui Electric Power Company Electric Power Research Institute,
Baosteel Iron and Steel Co., Ltd., Rongxin Power Electronics Co., Ltd., Shanghai Siyuan Electric Co., Ltd., Beijing Bodian Xinneng Power
Technology Co., Ltd.
The main drafters of this standard. Zhu Mingxing, Duan Xiaobo, Yuan Xiaodong, Zhou Shengjun, Li Lingdong, Lin Haixue, Liu Juncheng, Wang Jinhao, Liu Guangwen,
Su Guoyou, Ma Fengmin, Huang Jie, Zhang Sihai, Liu Zhien, Luo Yaqiao, Gu Jianjun, Zhang Fanyong, Huang Xiangwei, Qi Zefeng.
Guide for power supply technology of AC electric arc furnace
Power Quality Control
1 Scope
This standard specifies the general requirements for power quality control of AC electric arc furnaces, control schemes, device design and parameter check, and operation.
control.
This standard applies to 70t ~ 250t primary refining AC electric arc furnace and 70t ~ 300t ladle refining furnace powered by 110kV ~ 330kV dedicated line.
System, other types of AC electric arc furnace power supply system can refer to this standard.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 14549-1993 power quality public grid harmonics
GB/T 20298 Static reactive power compensation device (SVC) functional characteristics
GB/T 26868-2011 Guidelines for the Design and Application of High Voltage Filtering Devices
DL/T 1216 Technical specifications of static synchronous compensation device for distribution network
DL/T 1217 Magnetically Controllable Shunt Reactor Technical Specifications
3 terms and definitions
The following terms and definitions apply to this document.
3.1
AC electric arcfurnace; ACEAF
Furnace with AC arc as main heat source. AC electric arc furnace is the general name of primary electric arc furnace (EAF) and ladle refining furnace (LF).
3.2
Power quality; qualityofpowersystem
The electrical characteristics at the specified point of the power system are related to the voltage and current of the power supply and power equipment.
Degree of quasi-technical parameters.
Note. The benchmark technical parameters generally refer to the index values under ideal power supply conditions. These parameters may involve compatibility between power supply and load.
[GB/T 32507-2016, definition 2.1.1]
3.3
Public connection point pointofcommoncoupling; PCC
A connection for more than one user in a power system.
[GB/T 32507-2016, definition 2.1.19]
3.4
Fundamental (component)
The sine wave component corresponding to the power frequency after the period is expanded by the Fourier series.
[GB/T 32507-2016, definition 2.6.4]
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