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GB/T 18216.6-2022: Electrical safety in low voltage distribution systems up to 1000V a. c. and 1500V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices(RCD) in TT, TN and IT systems
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Electrical safety in low voltage distribution systems up to 1000V a. c. and 1500V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices(RCD) in TT, TN and IT systems
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GB/T 18216.6-2022
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Basic data | Standard ID | GB/T 18216.6-2022 (GB/T18216.6-2022) | | Description (Translated English) | Electrical safety in low voltage distribution systems up to 1000V a. c. and 1500V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices(RCD) in TT, TN and IT systems | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N20 | | Word Count Estimation | 14,131 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 18216.6-2022: Electrical safety in low voltage distribution systems up to 1000V a. c. and 1500V d. c. - Equipment for testing, measuring or monitoring of protective measures - Part 6: Effectiveness of residual current devices(RCD) in TT, TN and IT systems
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Electrical safety in low voltage distribution systems up to 1000V acand 1500V dc- Equipment for testing, measuring or monitoring of protective measures - Part 6.Effectiveness of residual current devices (RCD) in TT, TN and IT systems
ICS 17.220.20
CCSN20
National Standards of People's Republic of China
AC 1000V and DC 1500V and below low voltage
Test of electrical safety protection measures for power distribution system,
Measuring or monitoring equipment part 6.TT, TN and
Effectiveness of residual current devices (RCDs) in IT systems
TNandITsystems
(IEC 61557-6.2019, IDT)
2022-10-12 Released 2023-05-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface III
Introduction IV
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Requirements 2
4.1 General Requirements 2
4.2 Function 3
4.3 Measurement with indicator4
4.4 Test 4 with rated residual operating current
4.5 Fault voltage exceeding UL4
4.6 Overvoltage 4
5 Logos and Instructions for Use 4
5.1 Flag 4
5.2 Clear indication of test current waveform 4
5.3 Instruction Manual 5
6 Test 5
6.1 General requirements5
6.2 Operating uncertainty5
6.3 Fault voltage 6
6.4 Test 6 when the connected voltage is higher than the nominal voltage
6.5 Overvoltage 6
Appendix A (Informative) Trip Tests (Time and Current) Applicable to Different Types of RCDs 7
Reference 8
Table 1 Calculation of working uncertainty 6
Table A.1 Trip tests for different types of RCDs7
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 of Standardization Documents"
drafted.
This document is GB/T 18216 "AC 1000V and DC 1500V and below low-voltage power distribution system electrical safety protection measures.
Test, Measuring or Monitoring Equipment, Part 6.GB/T 18216 has published the following parts.
--- Part 1.General requirements;
--- Part 2.Insulation resistance;
--- Part 3.Loop impedance;
--- Part 4.Grounding resistance and equipotential grounding resistance;
--- Part 5.Resistance to ground;
--- Part 6.Effectiveness of residual current devices (RCDs) in TT, TN and IT systems;
--- Part 8.Insulation monitoring devices in IT systems;
--- Part 9.Equipment for locating insulation faults in IT systems;
--- Part 10.Combined measuring equipment for testing, measuring or monitoring protective measures;
--- Part 12.Performance measurement and monitoring device (PMD).
This document is equivalent to IEC 61557-6.2019 "Electrical safety of low-voltage power distribution systems of AC 1000V and DC 1500V and below"
Test, measuring or monitoring equipment for full protection - Part 6.Effectiveness of residual current devices (RCD) in TT, TN and IT systems
sex".
Please note that some content of this document may be patented. The issuing agency of this document assumes no responsibility for identifying patents.
This document is proposed by China Machinery Industry Federation.
This document is under the jurisdiction of the National Standardization Technical Committee of Electrical Instrumentation (SAC/TC104).
This document is drafted by. Harbin Electrical Instrument Research Institute Co., Ltd., Shenzhen Kelu Electronic Technology Co., Ltd., State Grid Xiong'an
Integrated Energy Service Co., Ltd., Yunnan Power Grid Co., Ltd., Xiamen Yesheng Electric Co., Ltd., Shenzhen Xinglong Technology Co., Ltd.
Company, Heilongjiang Provincial Electrical Instrumentation Engineering Technology Research Center Co., Ltd., Zhejiang Ruiyin Electronics Co., Ltd., Guangdong Power Grid Co., Ltd.
Metrology Center, Huali Technology Co., Ltd., Hebei Xiong’an Xujidian Comprehensive Energy Technology Co., Ltd., State Grid Sichuan Electric Power Company,
State Grid Shandong Electric Power Company Marketing Service Center (Measuring Center), Beijing Yupont Electric Power Technology Co., Ltd., State Grid Hebei Electric Power Co., Ltd.
The company's Xiong'an New District Power Supply Company, Guangxi Power Grid Co., Ltd., Beijing Jingyi North Instrument Co., Ltd., Aerospace Liangli Electric Co., Ltd.
Responsible company, Jinhua Wangyuan Electronic Technology Co., Ltd., Guangdong Baijin New Energy Co., Ltd., Ningxia Longji Ningguang Instrument Co., Ltd.,
Qingdao Dingxin Communication Co., Ltd., Zhongnan Instrument Co., Ltd., State Grid Shandong Electric Power Company.
The main drafters of this document. Jiang Bin, Zhang Dengqing, Li Jin, Shen Xin, Li Ji, Huang Jianzhong, Zhang Chuang, Meng Juan, Zhao Jingming, Zeng Shitu, Yun Hongjian,
Xiao Jie, Chen Zhiru, Li Xianzhong, Ma Jun, Mou Hao, Yang Kuigang, Hou Lei, Yang Zhou, Li Yi, Sun Xiaotong, Xiang Xinming, Liu Yuanzhen, Li Jianwei, Xu Pengfei,
Lin Zixiang.
Introduction
IEC 60364-6 specifies the initial testing, continuous monitoring and adjustment of electrical installations in TN, TT or IT systems.
Standardized conditions for post-conditioning experiments. In addition to specifying general standards for carrying out these tests, IEC 60364-6 also covers the need to pass measurements
to verify the requirements. Only in a few cases, such as when measuring insulation resistance, does IEC 60364-6 cover the measuring equipment used.
set feature details. Circuit diagrams given as examples in IEC 60364-6 and referenced in the text of the document are generally not applicable to
actual use.
Conducting tests in electrical installations can easily lead to accidental
outside. Therefore, in addition to simplifying the measurement, technicians need to rely on the measurement device to ensure the safety of the measurement method.
The application of the general safety rules for electrical and electronic measuring devices (IEC 61010-1) for testing of protective measures is not sufficient in itself. exist
Measurements in electrical installations are not only harmful to technicians, but also to third parties due to different measurement methods.
Also, in order to obtain an objective judgement about the equipment, for example periodic testing after equipment handover, continuous insulation monitoring or
In the case of performance assurance, an important prerequisite is to obtain reliable and comparable measurement results using measuring devices from different manufacturers.
The purpose of formulating GB/T 18216 is to specify uniform principles consistent with the above characteristics, these principles apply to nominal voltage AC
Measuring and monitoring equipment for electrical safety testing and performance testing in systems of 1000V and DC 1500V and below. GB/T 18216
It consists of ten parts.
--- Part 1.General requirements. The purpose is to establish a low-voltage power distribution system with a nominal voltage of AC 1000V and DC 1500V and below.
General requirements for test equipment used in electrical safety measurement and monitoring systems.
--- Part 2.Insulation resistance. The purpose is to establish that the measurement is suitable for the insulation of equipment and electrical installations in the non-excited state
Requirements for resistive devices.
--- Part 3.Loop impedance. The purpose is to establish between the measuring line conductor and the protective conductor, between the line conductor and the neutral conductor or between the two conductors.
Requirements related to loop impedance equipment between line conductors.
--- Part 4.Grounding resistance and equipotential grounding resistance. The purpose is to establish the grounding conductor, protective grounding conductor and
and related technical requirements for the resistance of equipotential bonding conductors.
--- Part 5.Resistance to ground. The purpose is to establish the requirements for measuring equipment that uses AC voltage to measure resistance to earth.
--- Part 6.Effectiveness of residual current devices (RCDs) in TT, TN and IT systems. The purpose is to establish a test for TT,
Requirements for measuring equipment for the effectiveness of protective measures for residual current devices in TN and IT systems.
--- Part 8.Insulation monitoring devices in IT systems. The purpose is to establish the relevant requirements for insulation monitoring devices in IT systems.
--- Part 9.Insulation fault location equipment in IT systems. The purpose is to establish the phase of insulation fault location equipment in IT system.
off requirements.
--- Part 10.Combined measuring equipment for testing, measuring or monitoring protective measures. The purpose is to establish within a device
A combined measuring device that combines several measuring functions or test methods for testing, measuring or monitoring in accordance with the various parts of IEC 61557
prepared requirements.
--- Part 12.Performance measurement and monitoring device (PMD). The purpose is to establish a comprehensive system for measuring and monitoring electrical parameters in power distribution systems.
meet the relevant requirements for performance measurement and monitoring devices.
AC 1000V and DC 1500V and below low voltage
Test of electrical safety protection measures for power distribution system,
Measuring or monitoring equipment part 6.TT, TN and
Effectiveness of residual current devices (RCDs) in IT systems
1 Scope
This document specifies requirements for measuring equipment for testing the effectiveness of protective measures for residual current devices in TT, TN and IT systems.
The purpose of this document is not to validate RCDs against their product standards.
Note. See Table A.1 in Appendix A for the time and current tripping tests applicable to RCDs.
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document.
GB/T 18216.1-2021 Electrical safety protection measures for AC 1000V and DC 1500V and below low-voltage power distribution systems
Testing, measuring or monitoring equipment - Part 1.General requirements (IEC 61557-1.2019, IDT)
IEC 61010-1.2010 AMD1.2016 Safety requirements for electrical equipment for measurement, control and laboratory use Part 1.General
Part 1.Generalrequirements)
Note 1.GB 4793.1-2007 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use Part 1.General Requirements (IEC 61010-1.2001,
IDT).
IEC 61010-2-030.2017 Safety requirements for electrical equipment for measurement, control and laboratory use Part 2-030.Tests for
circuits)
IEC 61010-031 Safety requirements for electrical equipment for measurement, control and laboratory use - Part 031.Electrical testing and measuring hands
Note 2.GB 4793.5-2008 Safety Requirements for Electrical Equipment for Measurement, Control and Laboratory Use - Part 5.Handheld Probe Assemblies for Electrical Measurement and Testing
safety requirements (IEC 61010-031.2002, IDT).
IEC 61557-1 Test and measurement of electrical safety protection measures for low-voltage power distribution systems of AC 1000V and DC 1500V and below
measures-Part 1.Generalrequirements)
The terms and definitions defined in GB/T 18216.1-2021 and the following terms and definitions apply to this document.
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