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General requirements for residual current operated protective devices
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Basic data | Standard ID | GB/Z 6829-2008 (GB/Z6829-2008) | | Description (Translated English) | General requirements for residual current operated protective devices | | Sector / Industry | National Standard | | Classification of Chinese Standard | K31 | | Classification of International Standard | 29.120.50 | | Word Count Estimation | 32,348 | | Date of Issue | 2008-12-30 | | Date of Implementation | 2009-10-01 | | Older Standard (superseded by this standard) | GB 6829-1995 | | Adopted Standard | IEC/TR 60755-2008, MOD | | Regulation (derived from) | ?National Standard Approval Announcement 2008 No.23 (Total No.136) | | Issuing agency(ies) | Ministry of Health of the People's Republic of China | | Summary | This standard applies to the rated voltage not exceeding AC 440V. Residual current operated protective devices mainly for shock hazard protection (hereinafter referred to as residual current protective devices, referred to as RCD). The technical requirements of this standard when drafting product standards used as the Technical Committee and the relevant units, and only in combination with the relevant standards or reference only applicable in the relevant standard. This standard does not use as an independent standard, such as certification standards used alone. | GBZ6829-2008: General requirements for residual current operated protective devices---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.
General requirements for residual current operated protective devices
ICS 29.120.50
K31
People's Republic of China national standardization of technical guidance documents
Replacing GB 6829-1995
Residual current operation to protect the general requirements of electrical appliances
(IEC /T R60755..2008, MOD)
Posted.2008-12-30
2009-10-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
China National Standardization Administration released
Directory
Preface Ⅰ
Introduction Ⅱ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Categories 7
5 residual current protection features of the appliance 8
6 logo and other product information 13
7 Standard operating conditions for use and installation 14
8 Structure and operation requirements 14
9 Type Test Guideline 19
Appendix A (informative) Short circuit test recommended circuit Figure 20
Appendix B (Informative) Possible Load Current and Fault Current
Appendix C (Normative) Automatic reclosing residual current protection appliances supplementary requirements 25
References 26
Figure A. 1 circuit diagram for all short circuit tests
Figure A. 2 Impedance Z or Z1 detail 22
Figure B. 1 Possible load currents and fault currents for various electronic circuits
Table 1 without delay type RCD maximum residual AC current breaking time standard value 11
Table 2 without delay type RCD half-wave pulsating DC residual current maximum breaking time standard value of 11
Table 3 without delay type RCD Rectifier line generated by the remaining DC current and/or smooth DC residual current maximum breaking time
Standard value 11
Table 4 is expected to 120V with neutral point in the two-phase system used in the rated residual current of 6mA delay-free RCD
The maximum breaking time can be replaced by the standard value of 12
Table 5 Delay RCD for the exchange of residual current breaking time standard 12
Table 6 Delay type RCD pulsating DC residual current breaking time standard value 12
Table 7 Delay type RCD for smooth DC residual current breaking time standard value 12
Table 8 Tripping current range of type B RCD at frequencies 50Hz/60Hz different from rated frequency 13
Table 9 Impact magnitude 14
Table 10 AC residual current tripping current limit 15
Table 11 pulsating DC residual current tripping current limit 16
Table 12 smooth DC residual current tripping current limit 16
Table 13 Minimum list of technical requirements to be inspected or tested
Foreword
This Guidance Technical File is modified to IEC /T R60755..2008 (2nd Edition) "Residual Current Protective Equipment General Requirements"
(English version).
The main differences between this guidance document and IEC /T R60755..2008 are as follows.
--- IEC /T R60755..2008 in the introduction and the relevant sections that mainly to the technical committee in the drafting of residual current protection action
Electric standard use. The provisions of this guidance document mainly to the technical committee and the use of relevant units, that manufacturers can
According to the guidance of technical documents and the corresponding national standards drafting corporate standards.
--- IEC /T R60755..2008 provisions can be used as a guide to the rated voltage does not exceed the exchange of 1000V residual current protection appliances, the
Guidance on technical documents that can be used to guide the rated voltage does not exceed the exchange of 1200V residual current protection appliances.
--- The guidance of technical documents increased by 4.1 according to the classification of action, IEC /T R60755..2008 provides by the relevant product standards
Provisions.
--- The guidance of technical documents increased according to whether the automatic reclosing classification, and an increase of Appendix C.
--- The guidance of technical documents rated voltage priority value increased by 220V and 380V level, the rated current priority value increased
800A level.
--- This Guidance Technical Papers, in 5.4.12.2, expressly states that the delay type is only applicable to the residual current protection IΔn > 0.03A
Therefore, other related parts have also been amended accordingly.
--- signs of the test device and the signs of the closed and the disconnected position, the instructional technical documents have been added to the corresponding Chinese characters
Said.
--- This instructional document increases the additional requirements of the RCD for the operating functions related to the mains voltage and specifies IΔn ≤ 0.03A
Of the residual current protection device, the supply voltage is reduced to 50V (relative voltage), if greater than or equal to the rated residual
The residual current of the operating current should be able to operate automatically.
This Guidance Document replaces GB 6829-1995.
The main technical documents and GB 6829-1995 compared to the main changes are as follows.
--- GB 6829-1995 as a mandatory standard;
--- GB 6829-1995 can be independently used as the standard for related residual current protection electrical products. This guideline technical document, only
The provisions of the residual current protection and residual current protection devices related to the main performance requirements and the corresponding pilot project, specific
The test methods and corresponding test procedures are regulated by the relevant product standards and therefore can not be used as an independent standard. With the rest
Current protection has nothing to do with the relevant functions of the product standards.
Appendix A and Appendix B to this Guidance Document are informative and Appendix C is a normative appendix.
This guidance document is proposed by China Electrical Equipment Industry Association.
The guidance of technical documents by the National Standardization Technical Committee of low-voltage electrical (SAC/TC189) centralized.
This Guidance Document is drafted by. Shanghai Electric Apparatus Research Institute (Group) Co., Ltd.
Participated in the drafting of the technical documents. Zhejiang Zhengtai Electric Co., Ltd., Nanjing Electric Power College Affiliated Factory,
Schneider Electric (China) Investment Co., Ltd., People's Electric Group Co., Ltd., Siemens Line Protection System Co., Ltd., Changshu switch system
Co., Ltd., Delixi Electric Co., Ltd., Universal Group Co., Ltd., Shanghai An Kerui Electric Co., Ltd.
The main drafters of this technical guidance document. Zhou Ligang, Gong Junchang, Chen Ying.
Participated drafters of this technical document. Xiao Hongwei, Zhou Minyue, Xie Juan, Gao Wenle, Hu Hongyu, Zhou Jianxing, Huang Rongrong, Zheng Shiquan,
Li Lifang, Zhou Zhong.
This Guidance Technical Document replaces the standards previously issued as follows.
--- GB 6829-1986, GB 6829-1995.
Introduction
Residual current operated protective appliances are mainly used to provide protection against dangerous and potentially fatal electric shocks, as well as for continuous ground fault power
Fire hazard caused by flow to provide protection.
This guidance document defines the operating characteristics of this type of appliance. Each of the GB 16895 series of standards "Building Electrical Installations"
Section specifies how the residual current operated protective device should be installed in order to achieve the required level of protection.
This Guidance Document is mainly used by technical committees and relevant organizations when drafting the standards for the protection of residual current operated appliances. This refers to
Conductive technical documents are not used as an independent standard, for example, as a separate certification standard.
This Guidance Document is drafted in accordance with the guiding function of the residual current operated protective device.
There are two basic conditions for the protection against electric shock hazards. fault protection (indirect contact) and basic protection (direct contact).
Fault protection refers to the electrical equipment used to prevent the electrical devices accessible metal parts of the continuing dangerous voltage, these metal parts are connected
Ground, but becomes electrically charged in the event of a ground fault.
In this case, the danger does not come from the user in direct contact with the live parts that are live but from the metal part
While the grounded metal part itself is in contact with the charged conductive part.
Residual current operation The main function or basic function of the protective device is to provide fault protection, but with sufficient sensitivity (for example.
The remaining action current does not exceed 30mA of residual current protection device) There is an additional benefit. Even if other protective measures fail,
This appliance provides protection to users who come into direct contact with charged conductive parts.
Therefore, the operating characteristics given in this guidance document are based on the requirement that the request itself is based on GB/T 13870
Information contained in "Effects of currents on humans and domestic animals."
These appliances also provide protection against the risk of fire from long-lasting earth fault currents that do not operate with overcurrent protection devices.
Residual current operation to protect the general requirements of electrical appliances
1 Scope
The technical specifications of this technical documentary directive apply to the rated voltage does not exceed the exchange of 440V, mainly for the remaining electric shock hazard protection
Flow for the protection of electrical appliances (hereinafter referred to as residual current protection appliances, referred to as RCD). The technical specifications of this guidance document serve as a technical committee
Commission and the relevant units in the drafting of product standards used, and only in combination with the relevant standards or when applied in the relevant standards.
This guidance document is not used as an independent standard, for example, as a stand-alone certification standard.
Note 1. This guideline technical document can also be used to guide the rated voltage does not exceed the exchange of 1200V residual current protection device, in the drafting of related product standards
Its performance requirements by the manufacturer and user to determine.
This guideline applies to.
--- Check the residual current (see 3.3.2), compared with the reference value (see 3.3.3), and when the residual current exceeds the reference value
Open the protected circuit (see 3.3.4) a single appliance;
--- Composed appliances, each of which performs one or two of the above functions, respectively, but works together to accomplish all three functions. Correct
Expects to complete only one or two of the above three functions of electrical appliances, may require special technical requirements.
This guidance document applies to the conditions specified in Chapter 7. For other conditions, technical requirements may need to be supplemented.
According to GB/T 17045 and GB 16895.21, the residual current protection by automatically cutting off the power to prevent people and livestock due to touch
And exposed conductive parts and the harmful effects of electric shock.
Note 2. The above "harmful effects" include the risk of developing cardiac fibrillation.
According to GB 16895.4, the rated residual operating current does not exceed 300mA residual current protection device can also be continuous ground fault
Current-based fire hazard provides protection.
According to GB 16895.21, the rated residual operating current does not exceed 30mA of residual current protection appliances can also be in the basic protection measures
In the event of failure or failure of the user of the electrical installation or equipment, additional protection is provided.
For residual current protection devices capable of performing additional functions, this Guidance Document is used in conjunction with the relevant standards including additional functions
For example, when the residual current protection circuit breaker and circuit combination, it should comply with the corresponding circuit breaker standards.
Additional or specific technical requirements may be required for the following cases, for example.
--- By the non-professional use of residual current protection appliances;
--- Recessed current protection with the combination of electrical outlets, plugs, adapters and connectors.
This guidance document states.
--- Terms and definitions of residual current protection devices (Chapter 3);
--- Classification of residual current protection appliances (Chapter 4);
--- Residual current protection of the electrical characteristics (Chapter 5);
--- The preferred value of action and influence (5.4);
--- Remaining current protection appliances signs and information (Chapter 6);
--- Standard operating conditions for use and installation (Chapter 7);
--- Structure and operation requirements (Chapter 8);
--- Minimum test requirements list (Chapter 9).
Note 3. In addition to the above mentioned, for certain occasions (for example. motor protection) with residual current function is not included in this instructional technology
File inside.
2 Normative references
The following documents contain provisions which, through reference in this Guidance Document, become the provisions of this Guidance Note document. All dated
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