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GB/T 37543-2019 English PDF

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GB/T 37543-2019: Measurement method for total electric field strength and ion current density of DC transmission line and converter station
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 37543-2019	English	279	Add to Cart	3 days [Need to translate]	Measurement method for total electric field strength and ion current density of DC transmission line and converter station	Valid	GB/T 37543-2019

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Basic data

Standard ID	GB/T 37543-2019 (GB/T37543-2019)
Description (Translated English)	Measurement method for total electric field strength and ion current density of DC transmission line and converter station
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	L06
Classification of International Standard	33.100
Word Count Estimation	14,154
Date of Issue	2019-06-04
Date of Implementation	2020-01-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration

GB/T 37543-2019: Measurement method for total electric field strength and ion current density of DC transmission line and converter station

---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.
Measurement method for total electric field strength and ion current density of DC transmission line and converter station ICS 33.100 L06 National Standards of People's Republic of China Combined field strength of DC transmission lines and converter stations Method for measuring ion current density Published on.2019-06-04 2020-01-01 implementation State market supervision and administration China National Standardization Administration issued

Content

Foreword I 1 Scope 1 2 Terms and Definitions 1 3 measuring instruments 1 4 Measurement method 2 5 Measurement records and data processing 4 Appendix A (Normative Appendix) Field Grinding Calibration Method 5 Appendix B (Normative) Ion flow density meter calibration method 9 Reference 10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed and managed by the National Electromagnetic Compatibility Standardization Technical Committee (SAC/TC246). This standard was drafted. China Electric Power Research Institute Co., Ltd., State Grid Electric Power Research Institute Wuhan NARI Co., Ltd., country Home Grid Co., Ltd., Jiangsu Nanrui Hengchi Electric Equipment Co., Ltd. The main drafters of this standard. Yan Xiong, Wan Baoquan, Zhang Jiangong, Zhang Guangzhou, Liu Wei, Wang Jin, Li Ni, Zhang Yemao, Wang Yanzhao, Lu Yao, Gan Yuyuan, Zhang Xiaowu. Combined field strength of DC transmission lines and converter stations Method for measuring ion current density

1 Scope

This standard specifies the measuring instruments, measuring methods, measurement records and the combined field strength and ion current density of DC transmission lines and converter stations. data processing. This standard applies to the measurement of combined field strength and ion current density of DC transmission lines and converter stations under normal operating conditions.

2 Terms and definitions

The following terms and definitions apply to this document. 2.1 Synthetic field strength totalelectricfieldstrength The electric field strength after field synthesis by the space charge generated by the charge on the DC conductor and the space charge caused by the conductor corona. Note 1. The unit is kV/m. Note 2. The electric field strength at the surface of the earth is called the ground combined field strength. Note 3. Rewrite DL/T 1088-2008, definition 3.1. 2.2 Ion flow ioncurrent When a corona discharge is generated with a direct current conductor, the charged ions move toward the nearby space under the action of the electric field force to form an ion current. 2.3 Ion current density ioncurrentdensity Ion flow per unit area. Note 1. The unit is nA/m2. Note 2. Rewrite DL/T 1088-2008, definition 3.2. 2.4 Field mill fieldmil A rotary DC electric field measuring instrument consisting of conductors alternately exposed to the electric field to be measured. 2.5 Wilson plate Wilsonplate A metal conductive plate with a protective tape around it for collecting charge.

3 measuring instruments

3.1 The measurement of DC combined field strength and ion current density should use special measuring instruments, and the measuring instrument should have automatic recording function. 3.2 The DC composite field strength measuring instrument shall have the function of measuring the amplitude and polarity of the DC combined field strength. Field grinding is usually used to measure the ground In the field, the conductive metal plate of 1m × 1m copper or aluminum should be used as the ground reference plane and grounded reliably. 3.3 The ion current density meter shall have the function of measuring the amplitude and polarity of the ion current density. Usually use Wilson board to collect charge current To measure the ion current density, the acquisition plate size should be 1m × 1m. A schematic diagram of measuring the ion current density using a Wilson plate is shown in Figure 1. Will

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