IEC TS 63053-2017 General requirements for residual current operated protective devices for DC systems《直流电(DC)系统剩余电流动作保护器的通用要求》.pdf

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1、 IEC TS 63053 Edition 1.0 2017-06 TECHNICAL SPECIFICATION General requirements for residual current operated protective devices for DC systems IEC TS 63053:2017-06(en) THIS PUBLICATION IS COPYRIGHT PROTECTED Copyright 2017 IEC, Geneva, Switzerland All rights reserved. Unless otherwise specified, no

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10、give us your feedback on this publication or need further assistance, please contact the Customer Service Centre: csciec.ch. IEC TS 63053 Edition 1.0 2017-06 TECHNICAL SPECIFICATION General requirements for residual current operated protective devices for DC systems INTERNATIONAL ELECTROTECHNICAL CO

11、MMISSION ICS 29.120.50 ISBN 978-2-8322-4526-2 Registered trademark of the International Electrotechnical Commission Warning! Make sure that you obtained this publication from an authorized distributor. 2 IEC TS 63053:2017 IEC 2017 CONTENTS FOREWORD . 5 INTRODUCTION . 7 1 Scope 8 2 Normative referenc

12、es 9 3 Terms and definitions 10 4 Classification . 11 4.1 According to the type of installation 11 4.2 According to the possibility of adjusting the residual operating current 11 4.3 According to time-delay (in presence of a residual current) . 11 4.4 According to the protection against external inf

13、luences . 12 4.5 According to the method of mounting 12 4.6 According to the method of connection . 12 4.7 According to the type of terminals . 12 4.8 According to the number of poles and current paths 12 4.9 According to the instantaneous tripping current . 13 4.10 According to the It characteristi

14、cs 13 4.11 According to overcurrent protection . 13 4.12 According to the method of construction . 13 4.13 According to the range of ambient air temperature 13 4.14 According to the time constant 13 4.15 According to the current direction through the poles 13 5 Characteristics of residual current de

15、vices . 14 5.1 Summary of characteristics . 14 5.2 Rated quantities and other characteristics . 14 5.2.1 Rated voltages 14 5.2.2 Rated direct current (I n ) 14 5.2.3 Rated making and breaking capacity (I m ) 14 5.2.4 Rated residual operating direct current (I n ) . 15 5.2.5 Rated residual non-operat

16、ing direct current (I no ) . 15 5.2.6 Rated residual direct making and breaking capacity (I m ) . 15 5.2.7 Rated conditional direct short-circuit current (I nc ) 15 5.2.8 Rated conditional residual direct short-circuit current (I c ) 15 5.2.9 Time-delay DC-RCD 15 5.2.10 Operating characteristics . 1

17、5 5.3 Standard and preferred values 15 5.3.1 Preferred values of rated operational voltage (U e ) . 15 5.3.2 Preferred values of rated current (I n ) . 16 5.3.3 Standard values of rated residual operating direct current (I n ) . 16 5.3.4 Standard value of residual non-operating direct current (I no

18、) . 16 5.3.5 Standard values of rated impulse withstand voltage (U imp ) . 16 5.3.6 Standard values of operating time . 17 5.3.7 Minimum value of the rated making and breaking capacity (I m ) . 18 5.3.8 Minimum value of the rated residual direct making and breaking capacity (I m ) . 18 5.4 Coordinat

19、ion with short-circuit protective devices (SCPDs) . 18 5.4.1 General . 18 5.4.2 Preferred values of the rated conditional direct short-circuit current (I nc ). 18 IEC TS 63053:2017 IEC 2017 3 5.4.3 Preferred values of the rated conditional residual direct short-circuit current (I c ) 18 6 Marking an

20、d other product information . 19 7 Conditions for operation in service and for installation . 20 7.1 Preferred ranges of application, reference values of influencing quantities/factors and associated test tolerances 20 7.2 Conditions of installation . 21 7.3 Pollution degree 21 8 Requirements for co

21、nstruction and operation . 21 8.1 Mechanical design 21 8.1.1 General . 21 8.1.2 Mechanism 22 8.1.3 Clearance and creepage distances 23 8.1.4 Screws, current-carrying parts and connections . 23 8.1.5 Terminals for external conductors 24 8.2 Protection against electric shock . 24 8.3 Dielectric proper

22、ties and isolating capability 24 8.4 Temperature-rise 24 8.5 Operating characteristics 25 8.5.1 General . 25 8.5.2 Operation in response to a residual current equal to and greater than I n25 8.5.3 Operation in response time in presence of a residual current equal to and greater than I n25 8.6 Mechan

23、ical and electrical endurance 25 8.7 Performance at short-circuit currents 25 8.8 Resistance to mechanical shock and impact . 26 8.9 Resistance to heat 26 8.10 Resistance to abnormal heat and to fire 26 8.11 Test device . 26 8.12 Requirements for DC-RCDs in case of loss of supply 26 8.13 Behaviour o

24、f DC-RCDs in case of overcurrent in the main circuit 27 8.14 Behaviour of DC-RCDs in the case of current surges caused by impulse voltages 27 8.15 Void 27 8.16 Reliability 27 8.17 Electromagnetic compatibility (EMC) . 27 8.18 Resistance to temporary overvoltages (TOVs) 27 8.19 Performance of DC-RCDs

25、 at inrush currents . 28 9 Preparation of test clauses for DC-RCDs product standard 28 9.1 General . 28 9.1.1 General test conditions 28 9.1.2 Test clauses not specified in this document . 28 9.2 Operating characteristics 29 9.2.1 General requirements for operating characteristics tests 29 9.2.2 Ste

26、ady increase of residual current 29 9.2.3 Closing on a residual current . 29 9.2.4 Sudden appearance of residual current . 29 9.2.5 Residual current higher than 3 I n. 29 4 IEC TS 63053:2017 IEC 2017 9.2.6 Tests with load 29 9.2.7 Tests at the temperature limits . 29 9.2.8 Additional test for delay

27、type RCDs . 30 9.3 Tests of electrical endurance 30 9.4 Tests of behaviour of the DC-RCD under short-circuit conditions 30 9.4.1 General . 30 9.4.2 Short-circuit tests 30 9.4.3 Behaviour of the DC-RCD during and after the tests 32 9.5 Test of the trip-free mechanism . 33 9.6 Verification of the oper

28、ation of the test device . 33 9.7 Test of behaviour of DC-RCDs in case of current surges caused by impulse voltages 33 9.7.1 Current surge test for all DC-RCDs (0,5 s/100 kHz ring wave test) . 33 9.7.2 Verification of behaviour with surge currents (8/20 s surge current test) 33 9.8 Tests of reliabil

29、ity 34 9.8.1 Climatic test. 34 9.8.2 Test with temperature of 40 C 34 9.9 Verification of ageing of electronic components 35 9.10 Tests of electromagnetic compatibility (EMC) 35 9.10.1 General . 35 9.10.2 General requirements 36 9.10.3 Specific requirements on ripple immunity . 38 9.10.4 Verificatio

30、n of behaviour during inrush currents . 38 Annex A (informative) Recommended diagram for short-circuit tests 42 Bibliography 45 Figure 1 Damped oscillator current wave 0,5 s/100 kHz . 39 Figure 2 Examples of installation . 40 Figure 3 Downstream circuit for simulating inrush currents. 41 Figure 4 Ex

31、ample of test circuit for verification of ageing of electronic components 41 Figure A.1 Diagram for all the short-circuit tests. 43 Figure A.2 Detail of impedance Z or Z 144 Table 1 Preferred values of rated operational voltage (U e ). 16 Table 2 Standard values of maximum break time for non-time-de

32、lay DC-RCDs 17 Table 3 Standard values of break time and non-actuating time for time-delay DC- RCDs 17 Table 4 Marking for DC-RCDs 19 Table 5 Values of influencing quantities . 21 Table 6 Tripping current limits 25 Table 7 Withstand values and duration of temporary overvoltages . 27 Table 8 List of

33、electromagnetic phenomena covered by IEC 61543 37 IEC TS 63053:2017 IEC 2017 5 INTERNATIONAL ELECTROTECHNICAL COMMISSION _ GENERAL REQUIREMENTS FOR RESIDUAL CURRENT OPERATED PROTECTIVE DEVICES FOR DC SYSTEMS FOREWORD 1) The International Electrotechnical Commission (IEC) is a worldwide organization

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46、subject to review within three years of publication to decide whether they can be transformed into International Standards. IEC TS 63053, which is a technical specification, has been prepared by subcommittee 23E: Circuit-breakers and similar equipment for household use, of IEC technical committee 23

47、: Electrical accessories. 6 IEC TS 63053:2017 IEC 2017 The text of this technical specification is based on the following documents: Enquiry draft Report on voting 23E/1006/DTS 23E/1021/RVDTS Full information on the voting for the approval of this technical specification can be found in the report o

48、n voting indicated in the above table. This document has been drafted in accordance with the ISO/IEC Directives, Part 2. In this standard, the following print types are used: conformity statements: in italic type The committee has decided that the contents of this publication will remain unchanged u

49、ntil the stability date indicated on the IEC website under “http:/webstore.iec.ch“ in the data related to the specific publication. At this date, the publication will be transformed into an International standard, reconfirmed, withdrawn, replaced by a revised edition, or amended. A bilingual version of this publication may be issued at a later date. IEC TS 63053:2017 IEC 2017 7 INTRODUCTION In AC systems, residual current devices are used to provide protection against the r