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GB/T 22794-2017

Chinese Standard: 'GB/T 22794-2017'
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BASIC DATA
Standard ID GB/T 22794-2017 (GB/T22794-2017)
Description (Translated English) Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard K31
Classification of International Standard 29.120; 29.120.50
Word Count Estimation 34,381
Date of Issue 2017-12-29
Date of Implementation 2018-07-01
Older Standard (superseded by this standard) GB/T 22794-2008
Drafting Organization Shanghai Electric Institute of Science and Technology
Administrative Organization National Low-voltage Electrical Standardization Technical Committee
Regulation (derived from) National Standards Bulletin 2017 No. 32
Proposing organization China Electrical Equipment Industry Association
Issuing agency(ies) People's Republic of China General Administration of Quality Supervision, Inspection and Quarantine, China National Standardization Administration

GB/T 22794-2017
Type F and type B residual current operated circuit-breakers with and without integral overcurrent protection for household and similar uses
ICS 29.120; 29.120.50
K31
National Standards of People's Republic of China
Replacing GB/T 22794-2008
For household and similar uses without and with overcurrent protection
Type F and Type B residual current operated circuit breakers
(IEC 62423.2009, IDT)
Published on.2017-12-29
2018-07-01 Implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration released
Directory
Preface I
Introduction III
1 Range 1
2 Normative references 1
3 Terms and Definitions 2
4 Category 2
5 Feature 3
6 Signs and other product information 4
7 Standard operating conditions for use and installation 4
8 Structure and Operational Requirements 4
9 Test 6
Appendix A (Normative Appendix) Number of Test Products and Test Procedures for F-Type RCCB Compliance Verification 19
Appendix B (Normative Appendix) Number of Test Products and Test Procedures for F-type RCBO Compliance Verification 21
Appendix C (Normative Appendix) Number of Test Products and Test Procedures for Type B RCCB Compliance Verification 23
Appendix D (Normative Appendix) Number of Samples and Test Procedures for Type B RCBO Conformity Validation 25
Appendix E (Normative Appendix) Routine Tests for Types F and B RCDs 27
Reference 28
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GB/T 22794-2008 "B-type residual current operation without and with overcurrent protection for household and similar applications.
Road Device (Type B RCCB and Type B RCBO). Compared with GB/T 22794-2008, the main technical changes in this standard are as follows.
--- Modified introduction.
--- Modify the scope, this standard covers F type RCD.
--- Added definition of 3.2F type residual current device.
--- Added 4.1 to the operating status when the DC component appears.
--- Supplement the characteristics of the 5.1F residual current device.
--- Modify the characteristics of the 5.2B residual current device.
--- Increase the 6.1F RCD logo.
--- Modify the 6.2B RCD logo.
--- Increased 8.1F and B type RCD requirements.
--- Added 8.2.1.7 characteristics of three-pole and four-pole B type RCD in the case of only two-pole power supply.
--- Increased the performance of RCD in 8.3.1 under surge residual current; 8.3.2 RCD performance under inrush residual current;
8.3.3 Performance when pulsating DC residual current is superimposed with 10mA continuous smooth DC residual current.
--- Added 9.1F and B type RCD tests.
--- Added 9.2.3 Verify correct operation of tripolar and quadrupole B type RCDs when powered by only two poles.
--- Added Figure 1 to verify residual sinusoidal alternating current with multi-frequency components generated by a single-phase power supply motor speed control device
Examples of test circuits that operate correctly.
--- Added a test circuit for verifying the performance of the RCD when inrush current in Figure 2.
--- Added Appendix A "F-Type RCCB Conformance Verification Test Quantity and Test Procedure" and Appendix B "Type F RCBO Compliance
Verified test quantity and test procedure."
--- Revised Appendix C "Quantity and Test Procedures for Type B RCCB Compliance Verification" and Appendix D "Type B RCBO Compliance
Verified test quantity and test procedure."
--- Modified Appendix E "Conventional Tests for Type F and Type B RCDs".
This standard uses the translation method, which is equivalent to the use of IEC 62423.2009 "F-type with and without over-current protection for household and similar purposes.
Type B residual current operated circuit breaker".
The Chinese documents that have a consistent correspondence with the normatively cited international documents in this standard are as follows.
---GB/T 13870.1-2008 Effects of currents on humans and livestock Part 1. Common parts (IEC /T S60479-1.
2005, IDT)
---GB/T 13870.2-2016 Effects of current flow through the human body Part 2. Special cases (IEC /T S60479-2.2007,
IDT)
---GB/T 16916.1-2014 Residual current operated circuit-breakers (RCCB) without overcurrent protection for household and similar purposes
Part 1. General rules (IEC 61008-1.2012, MOD);
---GB/T 16917.1-2014 Residual current operated circuit breaker (RCBO) with overcurrent protection for household and similar purposes No.
Part 1. General rules (IEC 61009-1.2012, MOD).
This standard was proposed by the China Electrical Appliance Industry Association.
This standard is under the jurisdiction of the National Low Voltage Electrical Standardization Technical Committee (SAC/TC189).
This standard was drafted by. Shanghai Electric Apparatus Research Institute, Shanghai Power Electronics Technology Co., Ltd., Zhejiang Zhengtai Electric Co., Ltd.,
Shanghai Liangxin Electric Co., Ltd., Shanghai Siemens Line Protection System Co., Ltd., Schneider Electric (China) Co., Ltd., Zhongshan City
Kaipu Electric Co., Ltd., Legrand Low Voltage Electric (Wuxi) Co., Ltd., Fateh Electric (Jiangsu) Co., Ltd., Beijing ABB Low Voltage
Co., Ltd., Sanxin International Electric Co., Ltd., China Electric Power Research Institute, Hangzhou Qianlong Electric Co., Ltd., Zhejiang Fangyuan Electric
Equipment Testing Co., Ltd., General Electric Enterprise Development (Shanghai) Co., Ltd., Shanghai Jingyi Electric Appliance Factory Co., Ltd., Renmin Electric Group Limited
The company, Changan Group Co., Ltd., Zhejiang Qianlong Technology Co., Ltd., and Yuyao Jiarong Electronic Appliance Co., Ltd. participated in the drafting.
The main drafters of this standard are. Zhou Jigang, Liu Jinjun, Ge Weijun, Fan Jianguo, Xiong Houjun, Zhou Lei, Zou Jianhua, Si Yuge, Fu Kai, Xue Han,
Jiang Wei, Su Yulin, Han Sigen, Zhong Fangqiang, Wang Guozhong, Zou Xiping, Gu Dekang, Bao Zhizhou, Wang Xuchuan, Lu Yueyou, Qian Jiacan.
The previous versions of the standard replaced by this standard are.
--- GB 22794-2008, GB/T 22794-2008.
introduction
RCCBs and RCBOs designed according to IEC 61008-1 and IEC 61009-1 are suitable for most applications, IEC 61008-1 and
IEC 61009-1 provides suitable technical requirements and tests for general use in household and similar applications. However, the new one used in the device
Electronic technologies may generate special residual currents that cannot be covered by IEC 61008-1 and IEC 61009-1. This standard includes references to special
Necessary additional technical requirements and tests for a given occasion.
This standard includes definitions, supplementary technical requirements and tests for type F and type B RCCBs and/or RCBOs involving specific occasions.
For Type F and Type B RCCBs, the test shall be conducted in accordance with IEC 61008-1. Type F and Type B RCBO shall be conducted in accordance with IEC 61009-1.
test.
After completion of the tests specified in IEC 61008-1 or IEC 61009-1, RCCB and RCBO shall be subjected to the supplementary tests specified in this standard.
Test to show compliance with this standard (for Type F RCCB and RCBO see Appendix A and Appendix B respectively; for Type B RCCB and RCBO
Don't see Appendix C, Appendix D).
The number of submitted samples and test procedures applicable to the conformity verification of Type F RCCB or Type F RCBO are shown in Appendix A or
Appendix B.
The number of submitted samples and test procedures applicable to the conformity verification of Type B RCCB or Type B RCBO are in Appendix C or
Appendix D.
This standard introduces F-type RCD (F stands for frequency) with rated frequency of 50Hz and 60Hz. It is used to protect phase-to-neutral or
Phase- and grounded intermediate conductor-powered circuits with frequency converters, taking into account the necessary characteristics of these particular locations, are not covered by Type A RCDs.
cover. In frequency converter applications, such as power supply from the phase and neutral lines, when used for motor speed control, it may produce an AC or
The pulsating DC composite residual current. This composite residual current includes the power frequency, the motor frequency, and the chopping clock frequency of the inverter.
Type F RCD cannot be used with two-phase powered electronic devices with double-bridge rectifiers or can generate smooth DC residual currents
Electronic equipment.
The B type RCD introduced in this standard can be used for pulsating DC rectification caused by one or more phases in addition to the protection of the F type RCD.
Residual current and smooth DC residual current conditions. For these applications, use a bipolar, tripolar, or quadrupole B-type RCD
protection.
For household and similar uses without and with overcurrent protection
Type F and Type B residual current operated circuit breakers
1 Scope
The scope of IEC 61008-1 and IEC 61009-1 applies, supplementing the following.
This standard specifies the technical requirements and test methods for F-type and B-type RCD (residual current device). Technical requirements specified in this standard
The test method is complementary to the technical requirements of the A type residual current device. This standard can only be with IEC 61008-1 or IEC 61009-1
use.
F-type RCCB (residual current circuit breaker without overcurrent protection) and F rated at 50Hz, 60Hz or 50/60Hz
Type RCBO (residual current circuit breaker with overcurrent protection) for intermediate conductors of the frequency converter and neutral or phase conductors and grounding of the frequency converter
Powered electrical devices capable of providing rated frequency AC sinusoidal residual currents, pulsating DC residual currents, and potential composite residual currents
protection.
The sinusoidal AC residual current, the pulsating DC residual current, and the composite residual at 1000 Hz and below for Type B RCCB and Type B RCBO
Current and smooth DC residual current can provide protection.
RCDs that comply with this standard cannot be used in DC power systems.
Technical requirements and test methods for products used in other residual current applications not covered by IEC 61008-1 or IEC 61009-1
Being considered.
The type test for manufacturer's declaration or conformity verification should follow the test procedure of Appendix A, Appendix B, Appendix C or Appendix D of this standard.
In order.
All test procedures for F-type RCCB and F-type RCBO type tests are given in Table A.1 or Table B.1 respectively; Type B RCCB and
All test procedures for type B RCBO type tests are given in Table C.1 or Table D.1, respectively.
NOTE 1 Throughout the standard, the term "RCD" refers to both RCCB and RCBO.
Note 2. The technical requirements for one-pole products with non-openable neutral poles are under consideration.
Note 3. Even if the surge voltage causes flashover and subsequent current, and the maximum duration is 10ms when the electronic device or EMC filter is turned on.
The inrush current into the residual current, F-type and B-type RCD still have high resistance to error tripping characteristics.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
IEC /T S60479-1 Effect of current on humans and livestock Part 1. General parts (Effects of current on humanbe-
ingsandlivestock-Part 1.Generalaspects)
IEC /T S60479-2 Effects of current on humans and livestock Part 2. Special parts (Effects of current on humanbe-
ingsandlivestock-Part 2.Specialaspects)
IEC 61008-1.1996 Residual current operated circuit-breakers without overcurrent protection for household and similar use (RCCB) Part 1
Points. General Rules [Residual currentoperatedcircuit-breakerswithoutintegralovercurrentprotectionfor
Householdandsimilaruses(RCCBs)-Part 1.General rules
Revision No. 1..2002 (Amendment 1)
Revision No. 2..2006 (Amendment 2)
IEC 61009-1.1996 Residual current operated circuit-breakers with overcurrent protection (RCBO) for household and similar uses Part 1.
General Rules [Residual currentoperatedcircuit-breakers withintegralovercurrentprotectionfor
Householdandsimilaruses(RCBOs)-Part 1.General rules
Revision No. 1..2002 (Amendment 1)
Revision No. 2..2006 (Amendment 2)
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1
Smooth DC current smoothdirectcurrent
No rippled DC current.
Note. When the ripple factor is less than 10%, it can be considered that the current does not have ripples. 1)
1) Marking. This comment is not included in the original IEC 62423, and the comment is added according to the corresponding terminology of IEC /T R60755.2008 to make the definition more explicit.
3.2
F type residual current device typeFresidualcurrentdevice
Assured tripping (if applicable) in accordance with type A in IEC 61008-1 or IEC 61009-1, in addition to the following currents
Breakout residual current device.
--- Compound residuals abruptly or slowly rising in circuits powered by phase conductors and neutral conductors or phase conductors and grounded intermediate conductors
Current
--- Pulse DC residual current superimposed smooth DC current.
Note. The composite residual current is a residual current consisting of more than one distinct sine wave frequency.
3.3
Type B residual current device typeBresidualcurrentdevice
In order to ensure tripping as in the standard F model, it is also possible to ensure tripping residual current devices at the following currents.
--- Sinusoidal AC residual current of 1000Hz and below;
--- AC residual current superimposed smooth DC residual current;
--- Pulse DC residual current superimposed smooth DC residual current;
--- Pulsed DC residual current generated by a two-phase or multi-phase rectifier circuit;
--- Smooth DC residual current.
It has nothing to do with the sudden or slow rise of polarity and residual current.
Category 4
According to IEC 61008-1 or IEC 61009-1 (as applicable), add the following.
4.1 The operating status when the DC component appears
---F type RCD;
---Type B RCD.
5 Features
5.1 Type F residual current device
Assured tripping (if applicable) in accordance with type A in IEC 61008-1 or IEC 61009-1, in addition to the following currents
Breakout residual current device.
---Composite residual electricity suddenly or slowly rising in a circuit powered by a phase conductor and a neutral conductor or a phase conductor and a grounded intermediate conductor
Flow (see 8.1);
--- Pulse DC residual current superimposed 10mA smooth DC residual current (see 8.3.3).
The above specified residual current may suddenly appear or slowly rise.
5.2 Type B residual current device
5.2.1 Overview
The tripping is ensured like the F-type, in addition to the tripping residual current device at the following currents.
--- Sinusoidal AC residual current of 1000Hz and below (see 8.2.1.1);
--- Smoothed DC residual current of 10 times the rated residual operating current (IΔn) or 10 mA smoothing on the AC residual current
DC residual current (whichever is greater) (see 8.2.1.2);
--- Superimpose 0.4 times rated rated residual current (IΔn) smooth DC residual current or 10mA on pulsed DC residual current
Smooth DC residual current (whichever is greater) (see 8.2.1.3);
--- DC residual current that can be generated by the following rectifier circuit, ie.
--- Two-pole, three-pole and four-pole residual current devices connected to phase and phase two-pulse bridge rectifier circuits (see 8.2.1.4);
--- Three-pulse star-connected or six-pulse bridge-connected rectification circuit for tripolar and quadrupole residual current devices (see 8.2.1.5).
--- Smooth DC residual current (see 8.2.1.6).
The above specified residual current can be suddenly applied or slowly increased, regardless of polarity.
5.2.2 Standard values of breaking time and non-driving time when pulsating DC residual current and smoothing DC residual current generated by the rectifier circuit
Breaking time and non-driving time scale of B-type RCD when pulsating DC residual current and smoothing DC residual current generated by the rectifier circuit
See Table 1 for the exact value.
Table 1 Rectifier circuit generated pulsating DC residual current and smooth DC residual current when type B RCD
Breaking time and non-drive time standard values
Type
In
IΔn
Residual current 2) (IΔ) equal to the following values Breaking time and non-driving time standard value
2IΔn 4IΔn 10IΔn
5A, 10A, 20A, 50A,
100A,.200Aa
General Any value Any value 0.3 0.15 0.04 0.04 Maximum breaking time
S type ≥25 >0.030
0.5 0.2 0.15 0.15 Maximum breaking time
0.13 0.06 0.05 0.04 Minimum driving time
For Type B RCBO, any current exceeding the lower limit of the overcurrent transient trip range is not tested.
a Tests are carried out only when verifying correct operation as described in Figures 6a), 9.2.1.5b) and Figures 6b) and 9.2.1.6b).
2) Marking. The original "IEC 62423" does not correspond to "IΔ", but it is corrected to "residual current" when adopting the standard.
5.2.3 Trip current according to frequency (different from the rated frequency 50/60Hz)
The remaining non-operating current and remaining operating current of type B RCD according to frequency (different from rated frequency 50/60Hz) are shown in Table 2.
Table 2 Residual non-operating current and residual operating current of type B RCD according to frequency (different from rated frequency 50/60Hz)
frequency
Hz
Residual non-operating current remaining operating current
150 0.5IΔn 2.4IΔna
400 0.5IΔn 6IΔna
1000 IΔn 14IΔna,b
Note 1. The definitions of "residual non-operating current" and "residual operating current" are as described in IEC 61008-1 and IEC 61009-1.
Note 2. The waveform at a given frequency is a sine wave.
Note 3. The maximum allowed grounding impedance at frequency fx depends on the upper limit of the RCD operating current at this frequency.
Note 4. The relationship between the frequency of the allowable contact voltage and the power consumption in the human body is under consideration. 50/60Hz recommended before final voltage determination
The maximum allowable contact voltage is 50V.
a The current value corresponds to ventricular fibrillation based on ventricular fibrillation frequency coefficient according to IEC /T S60479-1 and in combination with IEC /T S60479-2
Dynamic threshold.
b The IEC 60479 series of standards does not give a factor of more than 1000 Hz.
6 Signs and other product information
6.1 F-type RCD logo
Add the following symbol adjacent to the type A symbol. For example. The following symbols may also be used.
6.2 Type B RCD Logo
Add the following symbol near the F symbol. For example.
As an alternative, the following symbols can also be used.
Note. When 4-pole RCBO is used for single-phase power, it should be wired and installed according to the manufacturer's instructions.
7 Standard operating conditions for use and installation
According to IEC 61008-1 or IEC 61009-1 (where applicable).
8 Structure and Operational Requirements
8.1 Type F and Type B RCD Requirements
Action requirements for a sinusoidal residual current containing multi-frequency components caused by a single-phase power supply control device.
a) When the combined residual current increases steadily, Type F and Type B RCDs shall operate within the limits specified in Table 4.
Compliance is checked by the test of 9.1.2.
b) When a combined residual operating current suddenly appears, the F-type and B-type RCDs should operate correctly.
For the residual current greater than 5 times the upper limit value in Table 4, the general type of maximum breaking time should be 0.04s; for S type, the most
Small non-driving time should be greater than or equal to 0.05s and the maximum breaking time should not exceed 0.15s.
Compliance is checked by the test of 9.1.3.
8.2 Other Requirements for Type B RCD
8.2.1 Actions Related to Residual Current Patterns
8.2.1.1 Sinusoidal AC residual currents of 1000 Hz and below
Type B RCDs should meet the values specified in Table 2.
Through the test of 9.2.1.2 a) to verify compliance with the requirements.
In the sudden occurrence of the remaining operating current specified in Table 2, Type B RCD should act. The maximum breaking time for general RCD should be
The minimum non-driving time of 0.3s,S type RCD should be greater than or equal to 0.13s, and the maximum breaking time should not exceed 0.5s.
Pass 9.2.1.2b) test to verify compliance.
8.2.1.2 AC residual current superimposed smooth DC residual current
Superimpose 0.4 times rated rated residual current (IΔn) smooth DC residual current or 10 mA on the rated residual AC current.
The type B RCD should operate correctly when the smooth DC residual current (whichever is greater) is used.
The AC current at the trip should be less than or equal to IΔn.
9.2.1.3 test to verify compliance.
8.2.1.3 Pulse DC residual current superimposed smooth DC residual current
Superimposed smooth DC residual current of 0.4 times the rated residual operating current (IΔn) or 10 mA smoothing on the pulsating DC residual current
The type B RCD should operate correctly when the DC residual current (whichever is greater).
For a RCD with IΔn > 10mA, the tripping current should not be greater than 1.4IΔn; or for an RCD with IΔn≤10mA, the tripping current should not be
Greater than 2IΔn.
Note. Since it is a half-wave pulsating DC current, the trip current 1.4IΔn or 2IΔn (where applicable) is a valid value.
9.2.1.4 test to verify compliance.
8.2.1.4 Pulsed DC residual current generated by a two-phase power supply rectifier circuit
For the steady-state increased pulsating DC residual current generated by the rectifier circuit, the B-type RCD should operate within the range of 0.5IΔn~2IΔn.
Compliance is checked by the test of 9.2.1.5 a).
For the sudden applied pulsating DC residual current generated by the rectifier circuit, the Type B RCD shall operate within the time range specified in Table 1.
Through 9.2.1.5b) test to verify compliance.
8.2.1.5 Pulsed DC residual current generated by a three-phase powered rectifier circuit
For the steady-state increased pulsating DC residual current generated by the rectifier circuit, the B-type RCD should operate within the range of 0.5IΔn~2IΔn.
Compliance with the requirements is checked by the test of 9.2.1.6 a).
For the sudden applied pulsating DC residual current generated by the rectifier circuit, the Type B RCD shall operate within the time range specified in Table 1.
Compliance with the requirements is checked by the test of 9.2.1.6b).
8.2.1.6 Smooth DC Residual Current
For a steady increase of smooth DC residual current, type B RCD should operate within the range of 0.5IΔn~2IΔn.
Compliance is checked by the tests of 9.2.1.7.1 a) and 9.2.1.7.2.
For sudden applied smooth DC residual current, type B RCD shall operate within the time range specified in Table 1.
Compliance is checked by the test of 9.2.1.7.1b).
8.2.1.7 Characteristics of three-pole and four-pole B-type RCD in the case of only two-pole power supply
Tripolar and quadrupole RCDs should be able to operate correctly when only the two poles are powered.
Compliance is checked by the test of type B RCD in 9.2.3.
8.3 Characteristics of Type F and Type B RCDs
8.3.1 RCD performance under surge residual current
The RCD should be sufficient for the surge current flowing through the capacitive load of the electrical device and the surge current to the ground through which the device is flashing.
The ability to resist accidental tripping.
Compliance is checked by the test of 9.1.5.
8.3.2 Performance of RCD under Inrush Residual Current
RCD inrush residual current due to access to electronic equipment or EMC filters should not exceed 10ms in duration
Sufficient tolerance.
Compliance is checked by the test of 9.1.6
8.3.3 Performance when pulsating DC residual current is superimposed with 10mA continuous smooth DC residual current
The RCD should operate correctly when the pulsating DC residual current is superimposed with a 10 mA continuous smooth DC residual current.
Compliance is checked by the test of 9.1.7.
9.2.1.4 test to verify whether Type B meets the requirements.
9 tests
9.1 Type F and Type B RCD Tests
9.1.1 Overview
All test RCDs should be tested at rated frequency with Un applied to no-load. Unless otherwise specified, test according to Figure 1.
9.1.2 Verify correct operation when the compound residual current increases steadily
Table 3 shows the frequency component value used for calibration and the initial value IΔ verifying the correct operation of the RCD when stably increasing the residual current.
Table 4 shows the limit action value of the composite residual current.
Test frequency tolerance is ±2%.
Table 3 Initial values (IΔ) verifying correct operation when component values of different frequencies in the test current and the steady increase in residual current
Test current for calibration Component value at different frequencies (RMS) Composite initial current value (RMS)
I Rated frequency I1kHz IF motor (10Hz) IΔ
0.138IΔn 0.138IΔn 0.035IΔn 0.2IΔn
Note 1. IΔn is rated residual operating current at RCD rated frequency.
Note 2. For this test, the 10Hz and 1kHz values represent the output and clock frequency under the most severe conditions, respectively.
In order to verify the action value of RCD when the composite current occurs, the initial composite residual current value given in Table 3 should increase linearly.
The RCD should trip within the limits of Table 4.
In any case, the ratio of frequencies from the initial value to the operating value should remain unchanged.
Table 4 Operating current range of compound residual current
Action current value (RMS)
Lower limit value upper limit
0.5IΔn 1.4IΔn
Note 1. IΔn is rated residual operating current at RCD rated frequency.
Note 2. Table 3 shows the ratio of the frequency components of the operating current.
The test switches S1, S2 and RCD are in the closed position and the residual current starts to increase steadily from the initial compound value less than or equal to that given in Table 3.
In addition, the upper limit of the residual operating current specified in Table 4 is reached within 30 s.
One pole is optionally tested and the test is repeated 3 times. The value of the trip current shall be within the limits specified in Table 4.
9.1.3 Verify correct operation when applying a compound residual current suddenly
The test verifies the breaking time of the RCD and the test current is calibrated to 5 times the upper limit in Table 4.
The test switches S1 and RCD are in the closed position, and then the test switch S2 is closed and abruptly generates residual current.
Measure 3 break times.
For general RCD, the breaking time should be less than 0.04s.
For S-type RCDs, the breaking time should be less than 0.15 s.
The S-type RCD should be subjected to additional tests, closing the test switch S2 and suddenly producing residual current for a minimum non-actuation time.
0.05s, the allowable error is 0-5%.
Three times the residual current is applied and each application should be separated from the previous one by at least 1 minute. The RCD should not be tripped during the test.
9.1.4 Verify correct operation of quadrupole F-type RCD with residual current when only two poles are supplied
The quadrupole RCD shall be tested according to 9.1.2, but only for the neutral wire and one phase wire terminal selected at random
Electricity, no load.
9.1.5 Verifying Performance at 3000 A Surge Current (8/20 μs Inrush Current Test)
9.1.5.1 Test conditions
Test conditions are as described in 9.19.2.1 of IEC 61008-1.1996 or 9.19.2.1 of IEC 61009-1.1996, if applicable.
9.1.5.2 Test Results
During the test, RCD should not trip.
After the in-rush current test, verify the correct operation of the RCCB according to 9.9.2.3 of IEC 61008-1.1996; or press
The test of 9.9.1.2 c) in IEC 61009-1.1996 verifies the correct operation of the RCBO. The test is performed only at IΔn. The measurement is broken during the test.
time.
9.1.6 Verification of Performance at Inrush Residual Current
Test as per Figure 2, all switches and RCD are in closed position.
The current source (G) can generate a single 50Hz or 60Hz (0-1ms) sine half-wave pulse.
One pole is optionally applied with a pulse with a peak current of 10 IΔn. Measure 6 times, positive 3 times, negative 3 times. Transform pole after each test
Sex. The interval between two pulses should be 30s.
The RCD should not be tripped during the test.
9.1.7 Verify correct operation when pulsating DC residual current superimposes 10mA smooth DC current
The RCD is tested according to 9.21.1.4 in IEC 61008-1.1996 or 9.21.1.4 in IEC 61009-1.1996, but
The smooth DC residual current is 10mA instead of 6mA.
Note. For type B RCD, this test is performed according to 9.2.1.4.
9.2 Other Type B RCD Tests
9.2.1 Verification of Operating Characteristics at Reference Temperature (20 ± 5) °C
9.2.1.1 Overview
RCD is installed as normal use.
All test RCDs shall be tested by applying 0.85Un at rated frequency and then 1.1Un. Unless otherwise prescribed
Set, without load when testing.
When RCD has a plurality of remaining operating current setting values, each setting value should be tested.
9.2.1.2 Verify correct operation at sinusoidal AC residual currents of 1000 Hz and below
The test should be carried out as per Figure 3.
a) The test switches S1, S2 and RCD are in the closed position and the residual current steadily increases from a value not greater than 0.2IΔn.
The figure reaches the remaining operating current value specified in Table 2 within 30 s and the trip current is measured.
Optionally, one pole is tested at each frequency specified in Table 2 and repeated twice. The value of the trip current shall comply with the requirements of Table 2.
b) The second set of tests verifies the breaking time
The test circuit is adjusted to the remaining operating current in Table 2 corresponding to 1000 Hz. The test switches S1 and RCD are in the closed position.
Then the test switch S2 is closed and a surplus current suddenly occurs.
Select one pole to measure 2 breaking times.
The maximum breaking time for general RCD should not exceed 0.3s; the minimum driving time for S-type RCD should be greater than or equal to 0.13s
And the maximum breaking time should not exceed 0.5s.
9.2.1.3 Verify correct operation when AC residual current superimposes smooth DC residual current
Should be tested as shown in Figure 4.
The test switches S1, S2, and RCD are in the closed position, and a randomly selected one of the poles is applied with a smooth DC residual current and adjusted to 0.4 IΔn
Or 10mA, whichever is greater.
Note. In the specific case of type B RCD with IΔn of 10 mA, a smooth DC value of 5 mA is used.
The AC residual current of the rated frequency is applied to the other pole, and the residual current steadily increases from a value not greater than 0.2 IΔn, trying to
The value of IΔn is reached within 30 s and the trip current is measured.
Switch S3 performs two tests at each of position I and position II.
AC tripping current should be less than or equal to IΔn.
9.2.1.4 Verify correct operation when pulsating DC residual current is superimposed with smooth DC residual current
The test should be carried out according to Figure 5.
The test switches S1, S2, and RCD are in the closed position, and a randomly selected one of the poles is applied with a smooth DC residual current and adjusted to 0.4 IΔn
Or 10mA, whichever is greater.
The optional other pole applies a pulsating DC residual current, the current lag angle α is 0°, and the pulsating DC residual current never exceeds 0.2 IΔn.
The value begins to increase steadily, trying to reach a 1.4IΔn value (RCD for IΔn>10mA) or 2IΔn value (for IΔn≤10mA) within 30 s
RCD), measure trip current.
Switches S3 and S4 perform two tests on RCD at positions I and II, respectively.
The RCD should have a pulsating DC residual current of no more than 1.4 IΔn (RCD for IΔn >10 mA) or 2IΔn (for IΔn≤
10mA RCD) before tripping.
9.2.1.5 Verify correct operation when DC residual current generated by two-phase power supply rectifier circuit
The test shall be carried out in accordance with Figure 6a).
a) Verification of trip performance
The test switches S1, S2, and RCD are in the closed position, and the pulsating DC residual current starts stably at a value not greater than 0.2 IΔn.
Increase, try to reach 2IΔn value within 30s, measure trip current.
The test circuit is connected to two power terminals randomly selected by the RCD.
Switch S3 performs two tests each in position I and position II RCD.
RCD should be tripped within 0.5IΔn~2IΔn.
b) The second set of tests verifies the breaking time
The test circuit is in turn adjusted to each current value specified in Table 1, the test switches S1 and RCD are in the closed position, and then the test is closed.
The switch S2 suddenly generates residual current.
RCD randomly selects two power terminal connections for any three residual current values specified in Table 1, S3 in position I and position II
Each measurement breaks 2 times.
The breaking time should meet the values specified in Table 1.
9.2.1.6 Verify correct operation when DC residual current generated by a three-phase supply rectifier circuit
This test does not apply to diode B type RCD.
The test should be performed as shown in Figure 6b).
a) Verification of trip performance
The test switches S1, S2, and RCD are in the closed position, and the pulsating DC residual current starts stably at a value not greater than 0.2 IΔn.
Increase, try to reach 2IΔn value within 30s, measure trip current.
Switch S3 performs two tests each in position I and position II RCD.
RCD should be tripped within 0.5IΔn~2IΔn.
b) The second set of tests verifies the breaking time
The test circuit is in turn adjusted to each current value specified in Table 1, the test switches S1 and RCD are in the closed position, and then the test is closed.
The switch S2 suddenly generates residual current.
For 2IΔn and any other randomly selected values of the two residual currents specified in Table 1, S3 is measured twice at positions I and II
Breaking time.
The breaking time should meet the values specified in Table 1.
9.2.1.7 Verify correct operation when smoothing DC residual current
9.2.1.7.1 Verify correct operation when smoothing DC residual current without load
The test should be carried out as per Figure 7.
a) Verification of trip performance
The test switches S1, S2 and RCD are in the closed position, and the smooth DC residual current starts stably at a value not greater than 0.2 IΔn.
Increase, try to reach 2IΔn value within 30s, measure trip current.
As shown in FIG. 7 , for a pole randomly selected by the RCD, the switch S3 performs two tests at each of the position I and the position II RCD.
RCD should be tripped within 0.5IΔn~2IΔn.
b) The second set of tests verifies the breaking time
The test circuit was sequentially adjusted to each remaining operating current value specified in Table 1 (except for 5A, 10A, 20A, 50A, 100A and
Outside.200A), the test switches S1 and RCD are in the closed position, and then the test switch S2 is closed and abruptly generates residual current.
Test switch S3 is randomly at position I or position II.
For each pole selected arbitrarily by the RCD, two breaking times are measured at each remaining operating current.
The breaking time should meet the values specified in Table 1.
9.2.1.7.2 With load, verify correct operation when smoothing DC residual current
The RCD is used as it is with a nominal current load for a sufficient time to allow it to reach a thermal stable state, repeating paragraph 9.2.1.7.1a).
test.
Note. Figure 73) does not show the load with rated current.
3) Marking. Editing errors in the original IEC 62423. At the time of adopting the target, the figure is replaced by "Figure 7" instead of "Figure 5."
9.2.2 Test at the temperature limit
The RCD shall perform the tests specified in 9.2.1.5b), 9.2.1.6b) and 9.2.1.7.1b) in sequence under the following conditions.
a) Ambient temperature. -5°C, no load;
b) Ambient temperature. 40°C. The RCD is subjected to a rated current load at any suitable voltage prior to the test until a thermal steady state condition is reached.
In fact, when the temperature change does not exceed 1K per hour, the heat steady state condition is reached.
When the RCD has a plurality of remaining operating current settings, each setting is tested.
Note. Preheating can be done at reduced voltage, but the auxiliary circuit should be connected to its normal operating voltage (especially for components related to the supply voltage).
9.2.3 Verify correct operation of tripolar and quadrupole B type RCDs when powered by only two poles
Tests shall be carried out in accordance with 9.2.1.2 and 9.2.1.7.1, but for a quadrupole RCD only on neutral and randomly selected one phase terminal block
Power supply at nominal frequency, no-load; or for three-pole RCD, randomly select two phase wire terminals t......
Related standard: GB/T 10963.2-2020    GB/T 11022-2020
Related PDF sample: GB 20044-2012    GB 16916.1-2014