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GB/T 26216.2-2019 English PDF

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GB/T 26216.2-2019: DC current measuring device for HVDC transmission system -- Part 2: Electromagnetic DC current measuring device
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GB/T 26216.2: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 26216.2-2019English359 Add to Cart 4 days [Need to translate] DC current measuring device for HVDC transmission system -- Part 2: Electromagnetic DC current measuring device Valid GB/T 26216.2-2019
GB/T 26216.2-2010English919 Add to Cart 4 days [Need to translate] DC current measuring device for HVDC transmission system -- Part 2: Electromagnetic DC current measuring device Obsolete GB/T 26216.2-2010

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Basic data

Standard ID GB/T 26216.2-2019 (GB/T26216.2-2019)
Description (Translated English) DC current measuring device for HVDC transmission system -- Part 2: Electromagnetic DC current measuring device
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K41
Classification of International Standard 29.180
Word Count Estimation 18,148
Date of Issue 2019-12-10
Date of Implementation 2020-07-01
Issuing agency(ies) State Administration for Market Regulation, China National Standardization Administration

GB/T 26216.2-2019: DC current measuring device for HVDC transmission system -- Part 2: Electromagnetic DC current measuring device


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DC current measuring device for HVDC transmission system--Part 2. Electromagnetic DC current measuring device ICS 29.180 K41 National Standards of People's Republic of China Replaces GB/T 26216.2-2010 DC current measuring device of high-voltage DC transmission system Part 2. Electromagnetic DC current measuring device Part 2. ElectromagneticDCcurrentmeasuringdevice 2019-12-10 release 2020-07-01 implementation State Administration of Market Supervision Published by the National Standardization Management Committee

Contents

Foreword I 1 Scope 1 2 Normative references 1 3 Terms and definitions 1 4 Normal and special conditions of use 2 5 Rating 2 5.1 Rated primary DC current (Ir) 2 5.2 Overload current 3 5.3 Short-time current rating 3 5.4 Rated primary voltage (Udr) 3 5.5 Maximum continuous operating voltage (Udm) 3 5.6 Insulation level 3 5.7 Accuracy level of the entire current measuring device 4 5.8 Rated value of analog output 4 6 Design and structure 4 6.1 General requirements 4 6.2 Electrical shielding 5 6.3 Corrosion protection 5 6.4 Design requirements for analog voltage output 5 6.5 Charge SF6 device 5 6.6 Oil-filled equipment 5 7 Test 5 7.1 Test classification 5 7.2 General conditions of the test 5 7.3 Type test 6 7.4 Routine test 10 7.5 Field test 12 7.6 Special tests 13 8 signs 14 8.1 Terminal Markings 14 8.2 Nameplate logo 14

Foreword

GB/T 26216 `` DC Current Measurement Device for HVDC Transmission System '' is divided into two parts. --- Part 1. Electronic DC current measuring device; --- Part 2. Electromagnetic DC current measuring device. This part is the second part of GB/T 26216. This section is drafted in accordance with the rules given in GB/T 1.1-2009. This section replaces GB/T 26216.2-2010 "DC current measurement devices for high-voltage DC transmission systems. Part 2. Electromagnetic DC Compared with GB/T 26216.2-2010, the main technical changes are as follows. --- Amend "800" to "1100", "± 800kV and below voltage level DC transmission system DC pole bus, double twelve pulsation switching Electromagnetic DC current measuring device for the midpoint (if applicable) busbar and neutral busbar of the flow valve group. "To" ± 1100kV and Electromagnetic DC current measurement devices for DC voltage transmission systems of the following voltage levels, typically arranged at neutral busbars and ground terminals Line etc. "(See Chapter 1, Chapter 1 of the.2010 edition); --- Change the rated primary DC current value "600A, 3000A, 3125A, 4000A, 4500A." To "500A, 630A, 800A, 1000A, 1250A, 1600A,.2000A, 2500A, 3150A, 4000A, 5000A, 6300A. "(see 5.1, 5.1 of the.2010 version); --- Modify the title of the "overload DC current" to "overload current" (see 5.2, 5.2 of the.2010 version); --- Modify "Rated Voltage" to "Rated Primary Voltage", where the values "408kV, 515kV, 680kV, 816kV" are modified "400kV, 500kV, 660kV, 800kV", and increase the value "1100kV" (see 5.4,.2010 version 5.4); --- Increased the "maximum continuous operating voltage" see (5.5); --- In Table 1, "rated voltage" was modified to "maximum continuous operating voltage" and the corresponding voltage value was modified. DC withstand voltage value in the table "1200" was changed to "1224" and "1122" and its corresponding value were added (see 5.6, 5.5 of the.2010 version); --- Respecified the current error value in Table 2 (see 5.7, 5.8 of the.2010 version); --- Deleted the "rated value of digital output" (see 5.9 in the.2010 version); --- Removed the "nameplate logo" (see 6.4 of the.2010 version); --- Deleted the "design requirements for digital output" (see 6.5 of the.2010 version); --- "150 × 10-6" was modified to "250", and "(including gas density relay, pressure indicator and temperature indicator)" was deleted (see 6.5, 6.7 of the.2010 version); --- Deleted the "test group" and moved part of it into the type test project (see 7.3.2.1, 7.3.2 of the.2010 version); --- Added "accuracy test, current step response test, frequency response test, dry heat test, high current test, Effect of high-frequency current on the interlock circuit, electromagnetic compatibility test "(see 7.3.2.1, 7.3.3 of the.2010 edition); --- The content of the temperature rise test is modified to "The temperature rise test is carried out in accordance with 7.2.2 regulations and criteria of GB/T 20840.2-2014." (See 7.3.2.3, 7.3.3.2 of the.2010 version); --- Modify "Ud < 200" to "Udm < 300" and "Ud≥200" to "Udm≥300" (see 7.3.2.4, 7.3.3.3 of the.2010 version); --- Modify "positive DC voltage" to "negative DC voltage" (see 7.3.2.6, 7.3.3.5 of the.2010 version); --- Deleted the "step response" and used its content as the criterion for the current step response test (see 7.3.2.12,.2010 version 5.7); --- Deleted the "frequency response" and used its content as the criterion for the frequency response test (see 7.3.2.13,.2010 version 5.6); --- Deleted the "test of electronic equipment" (see 7.3.4 of the.2010 version); --- Deleted the "complementary type test of digital output" (see 7.3.4.8 of the.2010 version); --- Modify "250 × 10-6" to "250" and "66kV" to "60kV" (see 7.5.8, 7.5.7 of the.2010 version); --- "" Leak point for qualitative leak detection, quantitative leak detection if in doubt, annual leakage rate should be less than 0.5%. "Amended to" SF6 gas absolute The method for checking the tightness of the edge DC current measuring device is performed in accordance with the regulations and criteria of GB/T 11023. "(See 7.5.9, 2010 version 7.5.8); --- Added "flags" (see Chapter 8); --- Removed the Appendix A of the.2010 edition. This section is proposed by China Electrical Equipment Industry Association. This section is under the jurisdiction of the National Technical Committee for Standardization of High-Voltage DC Transmission Equipment (SAC/TC333). This section was drafted by. Xi'an Xidian Power System Co., Ltd., Xi'an High Voltage Apparatus Research Institute Co., Ltd., China Southern Power Grid Science Research Institute Co., Ltd., Nanjing Nanrui Jibao Electric Co., Ltd., China Electric Power Research Institute Co., Ltd. Wuhan Branch, Xi'an Xidian High Voltage Switch Co., Ltd., Xi'an Xidian Switch Electric Co., Ltd., Pinggao Group Co., Ltd., State Grid Anhui Electric Power Co., Ltd. Force Scientific Research Institute, China Southern Power Grid Co., Ltd. EHV Transmission Company, Changzhou Borui Power Automation Equipment Co., Ltd., Xinjiang Uygur Autonomous Region Product Quality Supervision and Inspection Institute. The main drafters of this section. Li Lu, Zhou Huigao, Li Ming, Luo Sunan, Yang Xiaohui, Xu Lei, Feng Yu, Wang Weihua, Lei Peng, Li Jingliang, Yang Zhongzhou, Ge Yun, Li Binbin, Shi Yanhui, Yang Hongtao, Qiu Jin, Wang Haiyan, Wang Xiaomei, Wang Xiaowei. The previous versions of the standards replaced by this section are. --- GB/T 26216.2-2010. DC current measuring device of high-voltage DC transmission system Part 2. Electromagnetic DC current measuring device

1 Scope

This part of GB/T 26216 specifies the specifications of electromagnetic DC current measuring devices for DC power transmission of voltage levels of ± 1100kV and below. Normal and special use conditions, ratings, design and construction, tests, etc. This section applies to electromagnetic DC current measurement devices installed in DC power transmission systems with voltage levels of ± 1100kV and below.Typical The layout location is neutral bus, ground electrode lead, etc.

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 311.1-2012 Insulation coordination Part 1. Definitions, principles and rules GB/T 2423.2 Environmental tests for electric and electronic products. Part 2. Test methods Test B. High temperature GB/T 2424.25 Environmental testing for electric and electronic products-Part 3. Test guidelines-Earthquake test methods GB/T 2900.50 Electrical terminology General terminology for power generation, transmission and distribution GB/T 2900.57 Electrical terminology for power generation, transmission and distribution operation GB/T 2900.95 Electrical terminology transformers, voltage regulators and reactors GB/T 7354 High Voltage Test Technology Partial Discharge Measurement GB/T 11023 Sulfur hexafluoride gas seal test method for high voltage switchgear GB/T 16927.1 High voltage test technology-Part 1. General definition and test requirements GB/T 20840.1-2010 transformers Part 1. General technical requirements GB/T 20840.2-2014 Transformers Part 2. Supplementary technical requirements for current transformers GB/T 20840.8-2007 Current transformers Part 8. Electronic current transformers GB/T 22071.1 Test Guide for Transformers Part 1. Current Transformers GB/T 22707 Artificial pollution test for high-voltage insulators for DC systems GB 50150-2016 electrical equipment installation engineering electrical equipment handover test standard

3 terms and definitions

GB/T 2900.50, GB/T 2900.57, GB/T 2900.95 and GB/T 20840.1-2010 and the following terms and definitions The meaning applies to this document. 3.1 DCcurrentmeasuringdevice A device that provides a signal corresponding to the DC current of the primary circuit. The output signal is provided to measuring instruments, meters and protection or control equipment. 3.2 ElectromagneticDCcurrentmeasuringdevice The primary sensor uses the electromagnetic induction principle to provide a signal corresponding to a DC current, and the signal is directly sent to the

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