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GB/T 22071.2-2017: Test guide for instrument transformers -- Part 2: Inductive voltage transformers
Status: Valid GB/T 22071.2: Evolution and historical versions
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| GB/T 22071.2-2017 | English | 1159 |
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Test guide for instrument transformers -- Part 2: Inductive voltage transformers
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GB/T 22071.2-2017
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| GB/T 22071.2-2008 | English | 719 |
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Test guide for instrument transformers -- Part 2: Inductive voltage transformers
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GB/T 22071.2-2008
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Basic data | Standard ID | GB/T 22071.2-2017 (GB/T22071.2-2017) | | Description (Translated English) | Test guide for instrument transformers -- Part 2: Inductive voltage transformers | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K41 | | Classification of International Standard | 29.180 | | Word Count Estimation | 58,584 | | Date of Issue | 2017-12-29 | | Date of Implementation | 2018-07-01 | | Older Standard (superseded by this standard) | GB/T 22071.2-2008 | | Regulation (derived from) | National Standards Bulletin 2017 No. 32 | | Issuing agency(ies) | General Administration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 | GB/T 22071.2-2017: Test guide for instrument transformers -- Part 2: Inductive voltage transformers---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.
Test guide for instrument transformers - Part 2. Inductive voltage transformers
ICS 29.180
K41
National Standards of People's Republic of China
Replacing GB/T 22071.2-2008
Transformer test guidelines
Part 2. Electromagnetic voltage transformers
Part 2.Inductivevoltagetransformers
2017-12-29 Posted
2018-07-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Foreword V.
1 Scope 1
2 Normative references 1
3 pilot project and test sequence 1
3.1 Test Project 1
3.2 Test sequence 3
4 General test conditions 4
5 type test 5
5.1 temperature rise test 5
5.2 primary shock endurance test 9
5.3 Outdoor transformer wet test 11
5.4 Radio Interference Voltage (RIV) Test 13
5.5 accuracy test 14
5.6 Inspection of enclosure protection 17
5.7 sealing performance test at ambient temperature (for gas-insulated products) 18
5.8 pressure test (for gas-insulated products) 19
5.9 Short-circuit withstand test 22
5.10 Excitation Characteristics Measurement 23
6 routine test 24
6.1 Gas dew point measurement (for gas-insulated products) 24
6.2 end frequency withstand voltage test 25
6.3 partial discharge measurement 28
6.4 Capacitance and dielectric loss factor measurement 30
6.5 section frequency withstand voltage test 34
6.6 secondary frequency power voltage test 34
6.7 Accuracy test 35
6.8 Marking test 36
6.9 sealing performance test at ambient temperature 37
6.10 pressure test (for gas-insulated products) 38
6.11 Excitation Characteristics Measurement 38
6.12 Insulating oil performance test 39
6.13 insulation resistance measurement 43
6.14 Winding DC Resistance Measurement 43
7 special test 44
7.1 multiple cut-off impact test one time 44
7.2 Transmission over-voltage test 44
7.3 Mechanical strength test 47
7.4 Internal Arc Fault Test 49
7.5 Low and high temperature sealing performance test (for gas-insulated products) 50
7.6 corrosion test 50
7.7 Fire hazard test 51
8 type test supplementary requirements 51
8.1 Type test cycle and requirements 51
8.2 Type Test Report 51
Figure 1 Type test and routine test sequence flow chart 4
Figure 2 to determine the instantaneous cut off the power resistor R0 value 7
Figure 3 Temperature rise correction factor 8
Figure 4 radio interference voltage test circuit 13
Figure 5 single-phase transformer accuracy test line 16
Figure 6 Short-circuit withstand test (secondary short circuit) 22
Figure 7 Short-circuit withstand test (primary side short circuit) 23
Figure 8 Excitation Characteristics Measurement 24
Figure 9 primary winding external frequency withstand voltage test 27
Figure 10 Inductance voltage test test voltage application (primary winding excitation) 27
Figure 11 Induction Voltage Test Test Voltage Application (Secondary Winding) 28
Figure 12 Partial Discharge Measurement Test Circuit Example 28
Figure 13 Partial discharge measurement of the calibration circuit 29
Figure 14 ungrounded voltage transformer dielectric loss factor measurement 31
Figure 15 (Core Grounding) Ground Voltage Transformer Dielectric Loss Factor Measurement (Line 1) 32
Figure 16 (Core Grounding) Ground Voltage Transformer Dielectric Loss Factor Measurement (Line 2) 32
Figure 17 (Ungrounded) Ground Voltage Transformer Dielectric Loss Factor Measurement (Line 1) 33
Figure 18 (Ungrounded) Grounding Voltage Transformer Dielectric Loss Factor Measurement (Line 2) 33
Figure 19 secondary winding frequency withstand voltage test 35
Figure 20 outlet terminal polarity test (DC test method) 36
Figure 21 YS-2-type microcoulomb analyzer system block diagram 40
Figure 22 Passing Overvoltage Measurement. Shock Test Waveform 45
Figure 23 - Transfer overvoltage measurement. General test layout 46
Figure 24 Passing Overvoltage Measurement. GIS Transformer Test Circuit 47
Figure 25 Mechanical Strength Test Schematic 48
Table 1 Test items 2
Table 2 type test, routine test and special test gas type and pressure 3
Table 3 Test load 6
Table 4 temperature transformer various components, materials and media temperature limit 7
Table 5 transformer primary insulation level and withstand voltage 9
Table 6 standard wet test rain conditions 12
Table 7 measuring transformer voltage error and phase difference limit 14
Table 8 voltage transformer protection and phase error limit 15
Table 9 accuracy test load range 16
Table 10 Permitted partial discharge levels 30
Table 11 Oil Immersion Transformer Sealing Performance Test Requirements 37
Table 12 Insulating oil breakdown voltage requirements 42
Table 13 insulating oil dielectric loss factor (tanδ) requirements 42
Table 14 insulating oil moisture content requirements 42
Table 15 insulating oil gas content requirements 43
Table 16 Transmission overvoltage waveform requirements and limits 45
Table 17 Static test load 48
Table 18 Test load on the first terminal mode of application 49
Table 19 Permissible leakage rate of gas system 50
Table 20 Fire hazard for electrical products 51
Foreword
GB/T 22071 "Transformer Test Guidelines" is divided into the following sections.
--- Part 1. Current Transformer;
--- Part 2. Electromagnetic voltage transformers.
This section GB/T 22071 Part 2.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This Part replaces GB/T 22071.2-2008 "Transformer Test Guidelines Part 2. Electromagnetic Voltage Transformer", and
GB/T 22071.2-2008 compared to the main technical changes are as follows.
--- Modify the normative references (see Chapter 2 and GB/T 22071.2-2008 Chapter 2);
--- List the specific pilot project (see Table 1);
--- Improve the test sequence, and give the test sequence diagram (see Figure 1 and GB/T 22071.2-2008 3.2);
--- The relevant pilot projects, test requirements and test methods have been refined and supplemented (see 3.1 and Chapter 5, Chapter 6, paragraph
7 chapters);
--- Increased the system nominal voltage of 750kV and 1000kV transformer test requirements (see Table 5).
This part is proposed by China Electrical Equipment Industry Association.
This part of the National Standardization Technical Committee transformer (SAC/TC222) centralized.
This part of the drafting unit. Shenyang Transformer Research Institute Co., Ltd., China Electric Power Research Institute, Dalian first transformer limited liability
Any company, Zhejiang Skyriver Transformer Co., Ltd., Dalian North Transformer Group Co., Ltd., TBEA Kangjia (Shenyang) transformer limited liability
Any company, Jiangsu Jingjiang Transformer Co., Ltd., Zhongshan City, Taifeng Electric Co., Ltd., China Guangdong Electric Co., Ltd., Hunan Electric Power
Porcelain Electric Co., Ltd., Ningbo three love mutual inductor Co., Ltd., Hengyang Huarui Electric Co., Ltd., State Grid Jilin Electric Power Co., Ltd. Branch
Institute of Science.
The main drafters of this section. Zhang Xianzhong, Liu Xiang, Tong Yue, Sha Yuzhou, Xu Wen, high speed, Liu Yufeng, Xiong Jiang Yong, He Zejian, Sui Guangjun,
Liu Yong, Wang Jiyuan, Li Zhaohui, Chen Wei, Zeng Xiangshun, Liu Quanren, Zhao Shixiang.
This part replaces the standards previously issued as.
--- GB/T 22071.2-2008.
Transformer test guidelines
Part 2. Electromagnetic voltage transformers
1 Scope
This section GB/T 22071 gives the electromagnetic voltage transformer test items, test sequence, the general test conditions and test requirements.
This section applies to GB/T 20840.1 and GB/T 20840.3 provisions of the electromagnetic voltage transformer (hereinafter referred to as "mutual inductance
Device ") type test, routine test and special test.
Acceptance test as a product acceptance test can also be used in this section given the test method.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2421.1 Environmental testing for electric and electronic products Part 1. Overview and guidelines
GB/T 2423.17 Environmental testing for electric and electronic products Part 2. Test methods Test Ka. Salt spray
GB/T 2423.23 Environmental testing Part 2. Test methods Test Q. Seal
GB/T 4208 enclosure protection (IP code)
GB/T 4756 Petroleum liquids - Manual sampling method
GB/T 5169.2 Fire hazard testing for electric and electronic products Part 2. Fire hazard assessment guidelines General
GB/T 5169.9 Fire hazard testing for electric and electronic products Part 9. Fire hazard assessment guidelines Preselected test procedures General
GB/T 5169.18 Fire hazard testing for electric and electronic products Part 18. Toxicity of combustion streams General
GB/T 5585.1 Copper, aluminum and alloy busbars for electricians Part 1. Copper and copper alloy busbars
GB/T 7354 partial discharge measurement
GB/T 7674 Rated voltage 72.5kV and above gas-insulated metal-enclosed switchgear
GB/T 11604 high-voltage electrical equipment radio interference test method
GB/T 16927.1 high voltage test techniques - Part 1. General definitions and test requirements
GB/T 16927.2 high voltage test techniques - Part 2. Measurement system
GB/T 19001 quality management system requirements
GB/T 20138 electrical equipment enclosure external mechanical impact protection level (IK code)
GB/T 20840.1 Transformer Part 1. General technical requirements
Transformers GB/T 20840.3 Transformers - Part 3. Supplementary technical conditions for electromagnetic voltage transformers
JB/T 10433 three-phase voltage transformer
ISO 3231 Paints and varnishes - Determination of resistance to moist atmosphere containing sulfur dioxide (Paints and varnishes - Deter-
minationofresistancetohumidatmospherescontainingsulfurdioxide)
3 pilot project and test sequence
3.1 pilot project
Type test, routine test and special test items are shown in Table 1.
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