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GB/T 26216.1-2019: DC current measuring device for HVDC transmission system -- Part 1: Electronic DC current measuring device
Status: Valid GB/T 26216.1: Evolution and historical versions
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| GB/T 26216.1-2019 | English | 359 |
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DC current measuring device for HVDC transmission system -- Part 1: Electronic DC current measuring device
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GB/T 26216.1-2019
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| GB/T 26216.1-2010 | English | 759 |
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DC current measuring device for HVDC transmission system -- Part 1: Electronic DC current measuring device
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GB/T 26216.1-2010
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Basic data | Standard ID | GB/T 26216.1-2019 (GB/T26216.1-2019) | | Description (Translated English) | DC current measuring device for HVDC transmission system -- Part 1: Electronic DC current measuring device | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 18,190 | | 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 26216.1-2019: DC current measuring device for HVDC transmission system -- Part 1: Electronic DC current measuring device
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DC current measuring device for HVDC transmission system--Part 1. Electronic DC current measuring device
ICS 29.180
K41
National Standards of People's Republic of China
Replaces GB/T 26216.1-2010
DC current measuring device of high-voltage DC transmission system
Part 1. Electronic DC current measuring device
Part 1. ElectronicDCcurrentmeasuringdevice
2019-12-10 release
2020-07-01 implementation
State Administration of Market Supervision
Published by the National Standardization Management Committee
Contents
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Normal and special conditions of use 3
5 Rating 3
5.1 Rated primary DC current (Ir) 3
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 Digital output rating 5
5.9 Rated value of analog output 5
6 Design and structure 5
6.1 Sampling rate 5
6.2 Cut-off frequency (-3dB) 5
6.3 Maximum attenuation of fiber transmission 5
6.4 Electrical shielding 5
6.5 Anti-corrosion protection 5
6.6 Design Requirements for Digital Outputs 5
6.7 Shunt 5
6.8 Primary converter room 5
6.9 Optical fiber composite insulator 5
6.10 Junction Box 5
6.11 Merging Unit 6
7 Test 6
7.1 Test classification 6
7.2 General conditions of the test 6
7.3 Type test 6
7.4 Routine test 10
7.5 Field test 12
7.6 Special tests 12
8 signs 13
8.1 Terminal Markings 13
8.2 Nameplate logo 13
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 first 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 26216.1-2010 "DC current measurement devices for high-voltage DC transmission systems. Part 1. Electronic DC
Compared with GB/T 26216.1-2010, the main technical changes are as follows.
--- "800" was changed to "1100", "flexible DC transmission system charging circuit and bridge arm circuit" was added to the typical layout position (see
(Chapter 1, Chapter 1 of the.2010 edition);
--- Added "In the case of a digital interface, the electronic DC current measurement device is configured with a merge unit to complete this function." (See 3.2);
--- Modify 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 "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);
--- The "rated DC voltage" in Table 1 was changed to "the highest continuous operating voltage", and the rated DC withstand voltage "1200" in the table was changed to
"1224" and added "1122" and its corresponding value (see 5.6, 5.5 of the.2010 version);
--- Respecified the current error value in Table 2 (see 5.7, 5.9 in the.2010 version);
--- Modify "2D41H" to "3A98H (decimal 15000)" and "0CCCH" to "1388H (decimal 5000) (see
5.13, 5.11 of.2010) ";
--- Increased the "sampling rate" (see 6.1);
--- Deleted the "cut-off frequency" and moved it to Chapter 6 (see 6.2,.2010 version 5.7);
--- Adjusted the "maximum attenuation of fiber optic transmission" and moved it to Chapter 6 (see 6.3, 5.10 of the.2010 edition);
--- Removed the "nameplate logo" (see 6.3 of the.2010 version);
--- Deleted the "design requirements for analog voltage output" (see 6.5 of the.2010 version);
--- Added "Combination unit output signal transmission protocol is about TDM, GB/T 20840.8-2007, GB/T 20840.9-2017 may
Select "(see 6.6);
--- Deleted "Insulator is composite type, optical fiber is enclosed in it.", "Probe box, composite insulator" was modified to "Optical fiber fusion box, optical
Fiber composite insulators "(see 6.10, 6.9 of the.2010 edition);
--- Modify the content of the merging unit to "When the DC current measuring device outputs digital signals, the number of merging units is
The number of secondary converters is configured. "(See 6.11, 6.11 of.2010);
--- Modified "error measurement" to "accuracy test" and added "n) temperature cycle test" (see 7.3.1, 7.3 of the.2010 edition);
--- Modify "Ur < 200" to "Udm < 300" and "Ur≥200" to "Udm≥300" (see 7.3.4, 7.3.3 of the.2010 version);
--- Modify "positive polarity DC voltage" to "negative polarity DC voltage" (see 7.3.6, 7.3.5 of the.2010 edition);
--- Added "For DC measurement devices using shunts, the product can be verified by applying a measurement voltage to a primary converter
High current measurement performance, "(see 7.3.10);
--- Modify the rise time "400μs" of step response to "250μs" and add "< 100μs (for flexible DC transmission systems)"
(See 7.3.11,.2010 version 5.8);
--- Deleted the "frequency response" and used its content as the criterion for the frequency response test (see 7.3.12,.2010 version 5.6);
--- Modify "0.75% (the benchmark is Ir)" to "3%" (see 7.3.12,.2010 version 5.6);
--- Modify "100A" to "5% Ir" (see 7.3.12, 7.3.11 of the.2010 version);
--- Modify d) "Partial discharge measurement" to "d) DC withstand voltage test and partial discharge measurement" (see 7.4.1,.2010 version
7.4);
--- "Partial discharge measurement" was modified to "DC withstand voltage test and partial discharge measurement"
Partial discharge measurement. During the test, the pre-voltage was 1.225Ur, and the partial discharge amount did not exceed 50pC. The partial discharge measurement voltage was
1.5Ur/2, partial discharge does not exceed 20pC. Refer to GB/T 7354 for partial discharge measurement. "(See 7.4.5,.2010 edition
7.4.4);
--- Increased criteria for step response tests (see 7.4.6, 7.4.5 of the.2010 version);
--- "For electronic output current measuring devices with digital output,
Routine test. "Amended to" can be applied to 0.1pu, 0.2pu, 1.0pu, 1.2pu DC at room temperature in accordance with 7.3.10
Flow to measure accuracy, meeting the requirements of 5.7. "(See 7.4.8, 7.4.7 of the.2010 edition);
--- Added "flags" (see Chapter 8);
--- Removed 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. Xi'an Xidian Power System Co., Ltd., Xi'an High Voltage Apparatus Research Institute Co., Ltd., Nanjing Nanrui Jibao
Electric Co., Ltd., China Southern Power Grid Scientific Research Institute Co., Ltd., Xi'an Xidian High Voltage Switch Co., Ltd., China Electric Power Research Institute
Research Institute Co., Ltd. Wuhan Branch, Tsinghua University, Xi'an Xidian Switchgear Electric Co., Ltd., State Grid Anhui Electric Power Co., Ltd.
Research Institute, China Southern Power Grid Co., Ltd. EHV Transmission Company, Changzhou Borui Power Automation Equipment Co., Ltd., Xinjiang Uygur
Product Quality Supervision, Inspection and Research Institute.
The main drafters of this section. Li Lu, Zhou Huigao, Luo Sunan, Liu Tao, Yang Xiaohui, Xu Lei, Wang Weihua, Lei Peng, Wang Ling, Ouyang Yong, Yang Zhongzhou,
Wang Xiaomei, Yan Dufeng, Li Binbin, Shi Yanhui, Yang Hongtao, Qiu Jin, Yu Zhanqing, Ge Yun, Wang Xiaowei.
The previous versions of the standards replaced by this section are.
--- GB/T 26216.1-2010.
DC current measuring device of high-voltage DC transmission system
Part 1. Electronic DC current measuring device
1 Scope
This part of GB/T 26216 specifies the requirements for electronic DC current measurement 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 electronic DC current measurement devices installed in DC power transmission systems with voltage levels of ± 1100kV and below.Typical
Placement locations are DC pole busbars, midpoints of the double twelve pulsation converter valve group (if applicable) busbars, neutral busbars, ground electrode leads, flexible DC output
Electric system charging circuit and bridge arm circuit.
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 2423.3 Environmental test Part 2. Test method Test Cab. Constant humidity test
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 11022-2011 Common technical requirements for high-voltage switchgear and control equipment standards
GB/T 16927.1 High voltage test technology-Part 1. General definition and test requirements
GB/T 20840.8-2007 Current transformers Part 8. Electronic current transformers
GB/T 20840.9-2017 Transformers Part 9. Digital Interface for Transformers
GB/T 22707 Artificial pollution test for high-voltage insulators for DC systems
3 terms and definitions
GB/T 2900.50, GB/T 2900.57, GB/T 2900.95 and GB/T 20840.8-2007 as well as the following terms and definitions
The meaning applies to this document. For ease of use, the following lists some of the terms and definitions in GB/T 20840.8-2007.
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
Electronic DC current measuring device electronicDCcurrentmeasuringdevice
A DC current measuring device consisting of one or more current sensors connected to a transmission system and a secondary converter for transmission
Proportional to the measured quantity, the schematic diagram is shown in Figure 1.
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