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GB/T 6553-2024: Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion
Status: Valid GB/T 6553: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6553-2024 | English | 394 |
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Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion
| Valid |
GB/T 6553-2024
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| GB/T 6553-2014 | English | 234 |
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Electrical insulating materials used under severe ambient conditions -- Test methods for evaluating resistance to tracking and erosion
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GB/T 6553-2014
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| GB/T 6553-2003 | English | 279 |
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Assessment use in harsh environmental conditions, electrical insulating material resistant to tracking and erosion test methods
| Obsolete |
GB/T 6553-2003
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| GB/T 6553-1986 | English | 399 |
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Test methods for evaluating resistance to tracking and erosion of electrical insulating materials used under severe ambient conditions
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GB/T 6553-1986
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PDF similar to GB/T 6553-2024
Basic data | Standard ID | GB/T 6553-2024 (GB/T6553-2024) | | Description (Translated English) | Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K15 | | Word Count Estimation | 20,220 | | Date of Issue | 2024-08-23 | | Date of Implementation | 2024-08-23 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 6553-2024: Electrical insulating materials used under severe ambient conditions - Test methods for evaluating resistance to tracking and erosion
---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.
ICS 29.035.01;17.220.99
CCSK15
National Standard of the People's Republic of China
Replace GB/T 6553-2014
Electrical insulation materials for use in harsh environmental conditions
Test method for evaluating resistance to tracking and corrosion
(IEC 60587.2022, IDT)
Released on 2024-08-23
2025-03-01 Implementation
State Administration for Market Regulation
The National Standardization Administration issued
Table of Contents
Preface III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Sample 1
5 Device 3
6 Test Procedure 9
7 Test Report 11
Reference 13
Figure 1 Specimen 2 with fixed electrode holes
Figure 2 Circuit diagram 3
Figure 3 Typical circuit example of overcurrent delay relay (ODR) 4
Figure 4 Schematic diagram of sample assembly installation 5
Figure 5 Upper electrode size 6
Figure 6 Lower electrode size 6
Figure 7 Filter paper stack 7
Figure 8 Schematic diagram of sample assembly installation 7
Figure 9 Schematic diagram of sample holder 8
Figure 10 Sample holder example 8
Table 1 Sample preparation sequence 2
Table 2 Test parameters 10
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents"
Drafting.
This document replaces GB/T 6553-2014 "Test Method for Assessing Resistance to Tracking and Corrosion of Electrical Insulating Materials Used in Severe Environmental Conditions"
Compared with GB/T 6553-2014, in addition to structural adjustments and editorial changes, the main technical changes are as follows.
a) Changed the term "surface" in the definition of tracking to "surface or interior" (see 3.2, 2.2 of the.2014 edition);
b) The term "electrical erosion" was changed to "erosion" (see 3.3, 2.3 of the.2014 edition);
c) The terms and definitions of tracking time have been deleted (see 2.4 of the.2014 edition);
d) Added machining of the specimen according to the dimensions shown in Figure 1 to meet the electrode installation requirements and test environment conditions, replacing the punching
Description of the grinding method (see 4.2, 3.2 of the.2014 edition);
e) Added the sample preparation sequence (see Table 1);
f) Added an overview of the test device composition (see 5.1);
g) The description and structure of electrical equipment have been changed from "electrical equipment" to "electrical device", and the test circuit has been adjusted in a list manner.
Expression (see 5.2, 4.1 of the.2014 edition);
h) Added the composition of the sample assembly, electrode material and size requirements, filter paper stacking requirements for storing and outputting pollutants, and sample
Component installation method (see 5.3);
i) The electrode device in Figure 6 was changed to the schematic diagram of the specimen assembly installation in Figure 4 (see Figure 4, Figure 6 of the.2014 edition);
j) Changed the filter paper in Figure 9 (eight sheets for each electrode) to the filter paper stack in Figure 7 (see Figure 7, Figure 9 of the.2014 edition);
k) Changed the test device schematic diagram in Figure 7 to the specimen assembly installation schematic diagram in Figure 8 (see Figure 8, Figure 7 of the.2014 edition);
l) The bracket in Figure 8 was changed to the schematic diagram of the specimen holder in Figure 9 (see Figure 9, Figure 8 in the.2014 edition);
m) Added Figure 10, Example of a specimen support (see Figure 10);
n) Deleted the content about the number and thickness of filter paper layers (see 4.3 of the.2014 edition);
o) Added that when feeding pollutants into the filter paper stack, it should be ensured that the pollutants in the pipeline/reservoir and supply equipment do not contact the upper electrode
High voltage regulations (see 5.4);
p) The added weight of the depth gauge shall not affect the measurement results (see 5.6);
q) Added an overview of the test procedure (see 6.1);
r) Added judgment standard A---current assessment (preferred) (see 6.2);
s) Added criterion B---track length assessment (see 6.3);
t) Changed "Method 1.Constant tracking voltage method" to "Material classification according to method 1 test" (see 6.4,.2014 edition)
5.2);
u) Changed "Method 2.Stepwise Tracking Voltage Method" to "Material Classification Tested According to Method 2" (see 6.5,.2014 Edition)
5.3);
v) The endpoint criteria have been deleted (see 5.4 of the.2014 edition);
w) The direction of the specimen relative to the electrode (i.e. longitudinal, transverse, oblique, etc.) was changed to the fiber direction of the composite specimen (such as fiber reinforced plastic).
Direction relative to the electrodes (i.e. longitudinally coincident, transversely perpendicular, oblique, etc.) (see Chapter 7, Chapter 6 of the.2014 edition);
x) Added test results and material classification for each material (see Chapter 7).
This document is equivalent to IEC 60587.2022 "Electrical insulating materials for use under severe environmental conditions - Assessment of resistance to tracking and corrosion"
"Test Methods".
The following minimal editorial changes were made to this document.
---5.4 Added explanatory notes.
Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.
This document was proposed by the China Electrical Equipment Industry Association.
This document is under the jurisdiction of the National Technical Committee for Standardization of Electrical Insulation Materials and Insulation Systems Assessment (SAC/TC301).
This document was drafted by. Zhejiang Rongtai Electrical Equipment Co., Ltd., Jiangsu CRRC Electric Co., Ltd., Beijing Electrical Technology Co., Ltd. of Machinery Industry
Institute of Technology and Economics, Suzhou Guanlong Magnet Wire Co., Ltd., Shenzhen Woer Electric Power Technology Co., Ltd., Suzhou Taihu Electric New Materials Co., Ltd.
Co., Ltd., Guangdong Mingyang Electric Co., Ltd., Anhui Weneng Motor Co., Ltd., Jiangsu Zhongtian Boleda Transformer Co., Ltd., Haihong Electric
Co., Ltd., Xujue Electric Co., Ltd., Dongfang Electric Corporation Dongfang Electric Corporation, Zhuzhou Times Huaxian Materials Technology Co., Ltd.
Company, Zhejiang Rongtai Technology Enterprise Co., Ltd., CRRC Yongji Electric Co., Ltd., Jiamusi Electric Co., Ltd., Shenyang Guolian Cable Accessories
Manufacturing Co., Ltd., Ganzhou Longbang Material Technology Co., Ltd., Chongqing Huahong Electric Power Equipment Co., Ltd., Guangzhou Xinxing Cable Industry Co., Ltd.
Beijing Goldwind Wind Power Equipment Co., Ltd., Yantai Minshida Special Paper Co., Ltd., Shangwei Co., Ltd., McAudy
(Xiamen) Intelligent Electric Co., Ltd., Guangdong Ruitu Fine Chemical Co., Ltd., Jiangxi Tengde Industrial Co., Ltd., Beijing Guance Precision Instrument Co., Ltd.
Equipment Co., Ltd., Yangzhou Tengfei Cable and Electrical Materials Co., Ltd., Oubang Technology (Suzhou) Co., Ltd., Hefei Shenma Technology Group Co., Ltd.,
Harbin Electric Group Advanced Motor Technology Co., Ltd., Shanghai Electrical Equipment Testing Institute Co., Ltd., Shenzhen Woer New Energy Electric Technology Co., Ltd.
LIMITED.
The main drafters of this document are. Liu Yali, Che Sanhong, Zheng Minmin, Chen Hao, Shi Wenlei, He Mingpeng, Li Shulin, Gao Chenghua, Gu Xinmei, Zhang Jianghai,
Yang Guofei, Yang Liyi, Guan Zhaojie, Song Huan, Zhou Xiaolan, Li Peixin, Zhao Qian, Niu Yulong, Jiang Tao, Chang Xiaobin, Zhang Hong, Liang Qingning, Zhou Xin, Sun Yanlei,
Guo Xianqing, Liu Ze, Shen Zhifei, Wang Guoping, Gao Zhuoli, Wang Shuangcan, Yang Shengting, Zhao Zhili, Li Kang, Li Yong, Huang Jing, Zhang Yue, Zhou Zhangyin, Xu Xiaofeng,
Hu Leilei.
The previous versions of this document and the documents it replaces are as follows.
---First published as GB/T 6553-1986 in 1986, first revised in.2003, second revised in.2014;
---This is the third revision.
Electrical insulation materials for use in harsh environmental conditions
Test method for evaluating resistance to tracking and corrosion
1 Scope
This document describes the use of liquid contaminants and inclined specimens at power frequencies (45Hz~65Hz) to evaluate the performance of the product under severe environmental conditions.
Two methods to test the tracking and corrosion resistance of electrical insulating materials.
---Method 1.Constant voltage method.
---Method 2.Step-by-step voltage boost method.
Method 1 is the more widely used method because it does not require continuous observation.
The test conditions are designed to accelerate the production of the effects but are not intended to reproduce all conditions encountered in actual use.
2 Normative references
This document has no normative references.
3 Terms and definitions
The following terms and definitions apply to this document.
The terminology databases used for standardization maintained by ISO and IEC are located at.
3.1
Track
Local conductive paths are produced on the surface of insulating materials due to local degradation.
3.2
Tracking
Under the combined effects of electrical stress and electrolytic pollution, conductive channels are gradually formed on the surface or inside of solid insulating materials.
Note 1.Tracking usually occurs due to surface contamination.
NOTE 2 Remaining degraded material need not remain conductive, particularly after it has cooled.
[Source. GB/T 2900.5-2013, 212-11-56, modified. added Note 2]
3.3
Erosion
Electrical loss of material due to leakage current or discharge.
4.Samples
4.1 Size
A flat specimen with a size of at least 50 mm × 120 mm and a thickness of 6 mm should be used.
The dimensions of the sample with fixed electrode holes are shown in Figure 1.
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