1、BSI Standards Publication AC motor capacitors Part 2: Motor start capacitors BS EN 60252-2:2011+A1:2013BS EN 60252-2:2011+A1:2013 National foreword This British Standard is the UK implementation of EN 60252-2:2011+A1:2013. It is identical to IEC 60252-2:2010, incorporating amendment 1:2013. It super
2、sedes BS EN 60252-2:2011, which is withdrawn. The start and finish of text introduced or altered by amendment is indicated in the text by tags. Tags indicating changes to IEC text carry the number of the IEC amendment. For example, text altered by IEC amendment 1 is indicated by !“. The UK participa
3、tion in its preparation was entrusted to Technical Committee PEL/33, Power capacitors. A list of organizations represented on this committee can be obtained on request to its secretary. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for
4、 its correct application. The British Standards Institution 2013. Published by BSI Standards Limited 2013 ISBN 978 0 580 81630 7 ICS 31.060.30; 31.060.70 Compliance with a British Standard cannot confer immunity from legal obligations. This British Standard was published under the authority of the S
5、tandards Policy and Strategy Committee on 31 May 2011. Amendments/corrigenda issued since publication Date Text affected 31 December 2013 Implementation of IEC amendment 1:2013 with CENELEC endorsement A1:2013. Annex ZA updated BRITISH STANDARD EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM CENEL
6、EC European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung Management Centre: Avenue Marnix 17, B - 1000 Brussels 2011 CENELEC - All rights of exploitation in any form and by any means reserved worldwide
7、 for CENELEC members. Ref. No. EN 60252-2:2011 E ICS 31.060.30; 31.060.70 English version AC motor capacitors - Part 2: Motor start capacitors (IEC 60252-2:2010) Condensateurs des moteurs courant alternatif - Partie 2: Condensateurs de dmarrage de moteurs (CEI 60252-2:2010) Wechselspannungsmotorkond
8、ensatoren - Teil 2: Motoranlaufkondensatoren (IEC 60252-2:2010) This European Standard was approved by CENELEC on 2011-01-19. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standa
9、rd without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the Central Secretariat or to any CENELEC member. This European Standard exists in three official versions (English, French, German). A version in any other
10、 language made by translation under the responsibility of a CENELEC member into its own language and notified to the Central Secretariat has the same status as the official versions. CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czec
11、h Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. EN 60252-2:2011+A1 November 2013- 2 - For
12、eword The text of document 33/476/FDIS, future edition 2 of IEC 60252-2, prepared by IEC TC 33, Power capacitors, was submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 60252-2 on 2011-01-19. This European Standard supersedes EN 60252-2:2003. The main changes with respect t
13、o EN 60252-2:2003 are listed below: definition of segmented film capacitors; clearer definition of the purpose of d.c. conditioning in destruction test. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN and CENELEC shall not be
14、held responsible for identifying any or all such patent rights. The following dates were fixed: latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2011-10-19 latest date by which the national standards conflict
15、ing with the EN have to be withdrawn (dow) 2014-01-19 Annex ZA has been added by CENELEC. _ Endorsement notice The text of the International Standard IEC 60252-2:2010 was approved by CENELEC as a European Standard without any modification. _ The text of document 33/533/FDIS, future IEC 60252-2:2010/
16、A1, prepared by IEC/TC 33, “Power capacitors and their applications“ was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as EN 60252-2:2011/A1:2013. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identi
17、cal national standard or by endorsement (dop) 2014-07-03 latest date by which the national standards conflicting with the document have to be withdrawn (dow) 2016-10-03 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/o
18、r CEN shall not be held responsible for identifying any or all such patent rights. This standard covers the Principle Elements of the Safety Objectives for Electrical Equipment Designed for Use within Certain Voltage Limits (LVD - 2006/95/EC). Endorsement notice The text of the International Standar
19、d IEC 60252-2:2010/A1:2013 was approved by CENELEC as a European Standard without any modification. Foreword to amendment A1 BS EN 60252-2:2011+A1:2013 EN 60252-2:2011+A1:2013 (E) - 3 - Annex ZA (normative) Normative references to international publications with their corresponding European publicat
20、ions The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE When an international publication has b
21、een modified by common modifications, indicated by (mod), the relevant EN/HD applies. Publication Year Title EN/HD Year IEC 60062 - Marking codes for resistors and capacitors EN 60062 - IEC 60068-2 Series Environmental testing - Part 2: Tests EN 60068-2 Series IEC 60068-2-6 - Environmental testing -
22、 Part 2-6: Tests - Test Fc: Vibration (sinusoidal) EN 60068-2-6 - IEC 60068-2-14 - Environmental testing - Part 2-14: Tests - Test N: Change of temperature EN 60068-2-14 - IEC 60068-2-20 - Environmental testing - Part 2-20: Tests - Test T: Test methods for solderability and resistance to soldering h
23、eat of devices with leads EN 60068-2-20 - IEC 60068-2-21 - Environmental testing - Part 2-21: Tests - Test U: Robustness of terminations and integral mounting devices EN 60068-2-21 - IEC 60068-2-78 2001 Environmental testing - Part 2-78: Tests - Test Cab: Damp heat, steady state EN 60068-2-78 2001 I
24、EC 60112 - Method for the determination of the proof and the comparative tracking indices of solid insulating materials EN 60112 - IEC 60309-1 1999 Plugs, socket-outlets and couplers for industrial purposes - Part 1: General requirements EN 60309-1 1999 IEC 60529 Degrees of protection provided by en
25、closures (IP Code) - - IEC 60695-2-10 2000 Fire hazard testing - Part 2-10: Glowing/hot-wire based test methods - Glow-wire apparatus and common test procedure EN 60695-2-10 2001 IEC 60695-2-11 2000 Fire hazard testing - Part 2-11: Glowing/hot-wire based test methods - Glow-wire flammability test me
26、thod for end-products EN 60695-2-11 2001 2001 BS EN 60252-2:2011+A1:2013 EN 60252-2:2011+A1:2013 (E)- 4 - Publication Year Title EN/HD Year ISO 4046 Paper, board, pulp and related terms - Vocabulary - - 2002 BS EN 60252-2:2011+A1:2013 EN 60252-2:2011+A1:2013 (E) 2 CONTENTS 1 Scop e 6 2 Normative ref
27、erences 6 3 Terms and definitions 7 4 Service conditions 10 4.1 Normal service conditions . 10 4.2 Preferred tolerances on capacitance 10 5 Self-healing motor start capacitors . 5.1 Quality requirements and tests 5.1.1 Test requirements . 5.1.2 Nature of tests 11 5.1.3 Type tests 11 5.1.4 Routine te
28、sts 13 5.1.5 Tangent of the loss-angle measurement 13 5.1.6 Visual examination 13 5.1.7 Voltage test between the terminals . 14 5.1.8 Voltage test between terminals and case . 14 5.1.9 Capacitance measurement . 14 5.1.10 Check of dimensions . 14 5.1.11 Mechanical tests . 15 5.1.12 Sealing test 17 5.
29、1.13 Endurance test . 17 5.1.14 Damp heat test . 19 5.1.15 Self-healing test 19 5.1.16 Destruction test . 19 5.1.17 Resistance to heat, fire and tracking . 5.2 Overloads . 5.2.1 Maximum permissible voltage . 5.2.2 Maximum permissible current . 5.2.3 Maximum permissible reactive output 5.3 Safety req
30、uirements . 5.3.1 Creepage distances and clearances 5.3.2 Terminals and connecting cables 5.3.3 Earth connections . 5.3.4 Discharge devices . 5.3.5 Pollution . 5.4 Marking . 6 Electrolytic motor start capacitors . 2 6.1 Quality requirements and tests 2 6.1.1 Test requirements . 2 6.1.2 Nature of tes
31、ts 2 6.1.3 Type tests 6.1.4 Routine tests 6.1.5 Visual examination 6.1.6 Voltage test between the terminals . 6.1.7 Voltage test between terminals and case . 11 11 11 BS EN 60252-2:2011+A1:2013 60252-2 IEC:2010+A1:2013 24 25 25 25 25 25 25 26 26 27 27 27 8 8 8 8 31 31 31 31 31 3 6.1.8 Capacitance an
32、d power factor measurement 3 6.1.9 Check of dimensions . 6.1.10 Mechanical tests . 6.1.11 Sealing test 6.1.12 Endurance test . 6.1.13 Damp heat test . 6.1.14 Pressure relief test 6.1.15 Resistance to heat, fire and tracking . 6.2 Overloads . 6.2.1 Maximum permissible voltage . 6.2.2 Maximum permissi
33、ble current . 6.2.3 Maximum permissible reactive output 6.3 Safety requirements . 6.3.1 Creepage distances and clearances 6.3.2 Terminals and connecting cables 6.3.3 Earth connections . 6.3.4 Discharge devices . 6.3.5 Pollution . 6.4 Marking . 7 Guidance for installation and operation . 7.1 General
34、. 7.2 Choice of rated voltage . 7.2.1 Measurement of working voltage . 7.2.2 Influence of capacitance 7.3 Checking capacitor temperature 7.3.1 Choice of maximum permissible capacitor operating temperature . 7.3.2 Choice of minimum permissible capacitor operating temperature 7.4 Checking transients 7
35、.5 Storage of electrolytic capacitors . 4 Annex A (normative) Test voltage 4Figure 1 Test apparatus for d.c. conditioning 20 Figure 2 Test apparatus for a.c. destruction test . 20 Figure 3 Arrangement to produce the variable inductor L in Figure 2 . 21 Figure 4 Test circuit for measurement of capaci
36、tance and power factor . Table 1 Type test schedule . 12 Table 2 Test voltages . 14 Table 3 Torque 15 Table 4 Minimum creepage distances and clearances . 2 Table 5 Type test schedule . Table 6 Test voltages . Table 7 Torque 3 Table 8 Minimum creepage distances and clearances . BS EN 60252-2:2011+A1:
37、2013 60252-2 IEC:2010+A1:2013 2 33 33 35 35 37 37 38 38 38 38 39 39 393939 40 40 40 41 41 41 41 42 42 42 42 42 3 4 7 30 32 31 4 40 AC MOTOR CAPACITORS Part 2: Motor start capacitors 1 Scope This part of IEC 60252 applies to motor start capacitors intended for connection to windings of asynchronous m
38、otors supplied from a single-phase system having the frequency of the mains. This standard covers impregnated or unimpregnated metallized motor start capacitors having a dielectric of paper or plastic film, or a combination of both and electrolytic motor start capacitors with non-solid electrolyte,
39、with rated voltages up to and including 660 V. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any
40、amendments) applies. IEC 60062, Marking codes for resistors and capacitors IEC 60068-2 (all parts), Environmental testing Part 2: Tests IEC 60068-2-6, Environmental testing Part 2-6: Tests Test Fc: Vibration (sinusoidal) IEC 60068-2-14, Environmental testing Part 2-14: Tests Test N: Change of temper
41、ature IEC 60068-2-20, Environmental testing Part 2-20: Tests Test T: Soldering IEC 60068-2-21, Environmental testing Part 2-21: Tests Test U: Robustness of terminations and integral mounting devices IEC 60068-2-78:2001, Environmental testing Part 2-78: Tests Test Cab: Damp heat, steady state IEC 601
42、12, Method for determining the comparative and the proof tracking indices of solid insulating materials under moist conditions IEC 60309-1:1999, Plugs, socket-outlets and couplers for industrial purposes Part 1: General requirements Degrees of protection provided by enclosures (IP Code) IEC 60695-2-
43、10:2000, Fire hazard testing Part 2-10: Glowing/hot-wire based test methods Glow-wire apparatus and common test procedure IEC 60695-2-11:2000, Fire hazard testing Part 2-11: Glowing/hot-wire based test methods Glow-wire flammability test method for end-products Paper, board, pulps and related terms
44、Vocabulary IEC 60529:2001, ! “ ISO 4046:2002, ! “ BS EN 60252-2:2011+A1:2013 60252-2 IEC:2010+A1:2013 6 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1 motor running capacitor power capacitor which, when used in conjunction with an auxiliary
45、winding of a motor, assists the motor to start and improves the torque under running conditions NOTE The running capacitor is usually connected permanently to the motor winding and remains in circuit throughout the running period of the motor. During the starting period, if it is in parallel with th
46、e starting capacitor, it helps to start the motor. 3.2 motor starting capacitor power capacitor which provides a leading current to an auxiliary winding of a motor and which is switched out of circuit once the motor is running 3.3 metal foil capacitor capacitor, whose electrodes consist of metal foi
47、ls or strips separated by a dielectric 3.4 metallized capacitor capacitor, in which the electrodes consist of a metallic deposit on the dielectric 3.5 self-healing capacitor capacitor, whose electrical properties, after local breakdown of the dielectric, are rapidly and essentially self-restored 3.6
48、 segmented film capacitor metallised capacitor with a repeating pattern on the metallic deposit on at least one layer, designed to isolate sections of the capacitor in the event of localised faults occurring in the dielectric 3.7 discharge device of a capacitor device which may be incorporated in a
49、capacitor, capable of reducing the voltage between the terminals effectively to zero, within a given time, after the capacitor has been disconnected from a network 3.8 continuous operation operation with no time limit within the normal life of the capacitor 3.9 intermittent operation operation in which periods with the capacitor energized are followed by intervals during which the capacitor is unenergized 3.10 starting operation special type of intermittent operation in whi
