EN 62813-2015 en Lithium ion capacitors for use in electric and electronic equipment - Test methods for electrical characteristics.pdf

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1、BSI Standards PublicationLithium ion capacitors for use in electric and electronicequipment Test methods for electrical characteristicsBS EN 62813:2015National forewordThis British Standard is the UK implementation of EN 62813:2015. It is identical to IEC 62813:2015.The UK participation in its prepa

2、ration was entrusted to TechnicalCommittee EPL/40X, Capacitors and resistors for electronic equipment.A list of organizations represented on this committee can be obtained onrequest to its secretary.This publication does not purport to include all the necessary provisions ofa contract. Users are res

3、ponsible for its correct application. The British Standards Institution 2015.Published by BSI Standards Limited 2015ISBN 978 0 580 79949 5ICS 31.060.99Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandar

4、ds Policy and Strategy Committee on 31 March 2015.Amendments/corrigenda issued since publicationDate Text affectedBRITISH STANDARDBS EN 62813:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 62813 February 2015 ICS 31.060.99 English Version Lithium ion capacitors for use in electric and elec

5、tronic equipment - Test methods for electrical characteristics (IEC 62813:2015) Condensateurs au lithium-ion destins tre utiliss dans les quipements lectriques et electroniques - Mthodes dessai relatives aux caractristiques lectriques (IEC 62813:2015) Lithium-Ionen-Kondensatoren zur Verwendung in el

6、ektrischen und elektronischen Gerten - Prfverfahren fr die elektrischen Kennwerte (IEC 62813:2015) This European Standard was approved by CENELEC on 2015-02-12. CENELEC members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Stand

7、ard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CENELEC member. This European Standard exists in three official versions (Eng

8、lish, French, German). A version in any other language made by translation under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the same status as the official versions. CENELEC members are the national electrotechnical committees o

9、f Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia

10、, Spain, Sweden, Switzerland, Turkey and the United Kingdom. European Committee for Electrotechnical Standardization Comit Europen de Normalisation Electrotechnique Europisches Komitee fr Elektrotechnische Normung CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CENELEC All righ

11、ts of exploitation in any form and by any means reserved worldwide for CENELEC Members. Ref. No. EN 62813:2015 E BS EN 62813:2015EN 62813:2015 - 2 - Foreword The text of document 40/2322/FDIS, future edition 1 of IEC 62813, prepared by IEC TC 40, “Capacitors and resistors for electronic equipment“ w

12、as submitted to the IEC-CENELEC parallel vote and was approved by CENELEC as EN 62813:2015. The following dates are fixed: latest date by which the document has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 2015-11-12 latest date by whic

13、h the national standards conflicting with the document have to be withdrawn (dow) 2018-02-12 Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CENELEC and/or CEN shall not be held responsible for identifying any or all such patent r

14、ights. Endorsement notice The text of the International Standard IEC 62813:2015 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 62391-1:2006 NOTE Harmonised as EN

15、 62391-1:2006. IEC 62576:2009 NOTE Harmonised as EN 62576:2010. BS EN 62813:2015- 3 - EN 62813:2015 Annex ZA (normative) Normative references to international publications with their corresponding European publications The following documents, in whole or in part, are normatively referenced in this

16、document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. NOTE 1 When an International Publication has been modified by common modifications, indi

17、cated by (mod), the relevant EN/HD applies. NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here: www.cenelec.eu. Publication Year Title EN/HD Year IEC 60068-1 2013 Environmental testing - Part 1: General and guidance EN 60068-1 2014 B

18、S EN 62813:2015 2 IEC 62813:2015 IEC 2015 CONTENTS 1 Scope 5 2 Normative references. 5 3 Terms and definitions 5 4 Test methods . 7 4.1 Test requirements . 7 4.1.1 Standard atmospheric conditions for tests 7 4.1.2 Standard atmospheric conditions for measurements . 8 4.1.3 Pre-conditioning . 8 4.2 Me

19、asurement 8 4.2.1 Capacitance, discharge accumulated electric energy, and internal resistance 8 4.2.2 Measurement for voltage maintenance rate. 11 4.3 Calculation 12 4.3.1 Calculation of capacitance and discharge accumulated electric energy 12 4.3.2 Calculation of internal resistance 13 4.3.3 Calcul

20、ation of voltage maintenance rate . 13 Annex A (informative) Endurance test (continuous application of rated voltage at high temperature) . 14 A.1 General . 14 A.2 Test procedure 14 A.2.1 Test conditions 14 A.2.2 Test procedure . 14 A.2.3 Requirements 14 Annex B (informative) Calculation of the meas

21、uring currents based on the propagated error . 15 B.1 General . 15 B.2 Measurement propagated error and measuring currents . 15 Annex C (informative) Procedures for defining the measuring current of LIC with uncertain nominal internal resistance 17 C.1 General . 17 C.2 Defining procedures of measuri

22、ng current for LIC 17 Bibliography . 18 Figure 1 Basic circuit for measuring capacitance, discharge accumulated electric energy, and internal resistance . 9 Figure 2 Voltage profile for measuring capacitance, discharge accumulated electric energy, and internal resistance . 10 Figure 3 Basic circuit

23、for measuring the voltage maintenance rate 11 Figure 4 Voltage profile for measuring voltage maintenance rate . 12 Figure C.1 Flowchart of current setting procedures . 17 BS EN 62813:2015IEC 62813:2015 IEC 2015 5 LITHIUM ION CAPACITORS FOR USE IN ELECTRIC AND ELECTRONIC EQUIPMENT TEST METHODS FOR EL

24、ECTRICAL CHARACTERISTICS 1 Scope This International Standard specifies the electrical characteristics (capacitance, internal resistance, discharge accumulated electric energy, and voltage maintenance rate) test methods of lithium ion capacitors (LIC) for use in electric and electronic equipment. 2 N

25、ormative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendmen

26、ts) applies. IEC 60068-1:2013, Environmental testing Part 1: General and guidance 3 Terms and definitions For the purposes of this document, the following terms and definitions apply. NOTE The terms printed in italics are those which are defined in this Clause 3. 3.1 upper category temperature highe

27、st ambient temperature that a LIC is designed to operate continuously SOURCE: IEC 62576:2009, 3.3, modified 3.2 rated voltage UR maximum direct current (d.c.) voltage that may be applied continuously for a certain time under the upper category temperature (3.1) to a LIC so that it can exhibit specif

28、ied demand characteristics Note 1 to entry: This voltage is the setting voltage in LIC design. Note 2 to entry: The endurance test using the rated voltage is described in Annex A. SOURCE: IEC 62576:2009, 3.6, modified 3.3 rated lower limit voltage UL minimum d.c. voltage such that a LIC can exhibit

29、specified demand characteristics Note 1 to entry: The rated lower limit voltage is designated by manufacturer. 3.4 charging current current required to charge a LIC BS EN 62813:2015 6 IEC 62813:2015 IEC 2015 3.5 discharging current current required to discharge a LIC 3.6 discharge accumulated electr

30、ic energy amount of discharged energy of a LIC accumulated from the discharge start time (3.7) to the time to reach rated lower limit voltage (3.10) 3.7 discharge start time T0time when discharge of a LIC starts Note 1 to entry: It is the basis time for the calculation start time (3.8) and the time

31、to reach rated lower limit voltage (3.10). 3.8 calculation start time T1 time at a selected start point used to calculate the capacitance (3.12) and the internal resistance (3.14) during discharge of a LIC Note 1 to entry: The calculation start time is expressed as elapsed time since the discharge s

32、tart time (3.7). 3.9 calculation end time T2time at a selected end point used to calculate the capacitance (3.12) and the internal resistance (3.14) during discharge of a LIC Note 1 to entry: The calculation end time is expressed as elapsed time since the discharge start time (3.7). 3.10 time to rea

33、ch rated lower limit voltage TLtime when the voltage reaches the rated lower limit voltage (3.3) during discharge of a LIC Note 1 to entry: The time to reach rated lower limit voltage is expressed as elapsed time since the discharge start time (3.7). 3.11 instant drop voltage at discharge U0voltage

34、at the discharge start time (3.7) of a least-squares regression line over the time period from the calculation start time (3.8) to the calculation end time (3.9) for the voltage drop characteristic of a LIC during discharge 3.12 capacitance ability of a LIC to store electrical charge SOURCE: IEC 625

35、76:2009, 3.14, modified 3.13 nominal capacitance CNcapacitance value designated by manufacturer, usually indicated on a LIC SOURCE: IEC 62576:2009, 3.15, modified BS EN 62813:2015IEC 62813:2015 IEC 2015 7 3.14 internal resistance resistance component expressed in the equivalent series circuit of cap

36、acitance and resistance of a LIC SOURCE: IEC 62391-1:2006, 2.2.20, modified 3.15 nominal internal resistance RNinternal resistance value designated by manufacturer, usually indicated on a LIC SOURCE: IEC 62576:2009, 3.17, modified 3.16 constant voltage charging method of charging a LIC at specified

37、constant voltage SOURCE: IEC 62576:2009, 3.18, modified 3.17 constant current charging method of charging a LIC with specified constant current 3.18 constant current discharging method of discharging a LIC with specified constant current 3.19 pre-conditioning charge, discharge, and storage of a LIC

38、under specified atmospheric conditions (temperature, humidity, and air pressure) before tests Note 1 to entry: Generally, pre-conditioning implies that the LIC is stored until its inner temperature attains thermal equilibrium with the surrounding temperature, before its electrical characteristics ar

39、e measured. SOURCE: IEC 62576:2009, 3.19, modified 3.20 voltage maintenance rate A ratio of the voltage at the open-ended terminals to the charging voltage after a specified time period subsequent to the charging of a LIC SOURCE: IEC 62576:2009, 3.26, modified 4 Test methods 4.1 Test requirements 4.

40、1.1 Standard atmospheric conditions for tests Unless otherwise specified in the detail specification, all tests shall be made under standard atmospheric conditions for tests as given in IEC 60068-1:2013, 4.3: temperature: 15 C to 35 C; relative humidity: 25% to 75 %; BS EN 62813:2015 8 IEC 62813:201

41、5 IEC 2015 air pressure: 86 kPa to 106 kPa. If any question about determining measurement value arises under the atmospheric conditions or if it is requested, 4.1.2 is applied. If it is difficult to perform measurements under the standard atmospheric conditions and if no question about determining m

42、easurement value arises, tests and measurements may be performed under other conditions than the standard atmospheric conditions. 4.1.2 Standard atmospheric conditions for measurements Unless otherwise specified in the detail specification, all measurements shall be made under standard atmospheric c

43、onditions for measurements as given in IEC 60068-1:2013, 4.2, with the following details: temperature: 25 C 2 C; relative humidity: 45 % to 55 %; air pressure: 86 kPa to 106 kPa. 4.1.3 Pre-conditioning Unless otherwise specified in the detail specification, the LIC shall be charged with a constant c

44、urrent and constant voltage power supply, the voltage of which is set to the rated voltage, for 30 min then discharged to the lower limit voltage with a proper discharging device. 4.2 Measurement 4.2.1 Capacitance, discharge accumulated electric energy, and internal resistance 4.2.1.1 Test equipment

45、 The test equipment shall be capable of constant current charging, constant voltage charging, and constant current discharging with current specified in 4.2.1.2, and continuous measurement of current and voltage at specified sampling interval. The basic circuit is shown in Figure 1. a) D.C. power su

46、pply The d.c. power supply shall be capable of charging the LIC at specified constant current and specified constant voltage for specified duration. b) Constant current load The constant current load shall be capable of discharging the LIC at specified constant current and its current rise time at d

47、ischarge start shall be 50 ms or less. c) D.C. voltage recorder The d.c. voltage recorder shall be capable of conducting measurements and recording with 1 mV resolution and sampling interval of 100 ms. d) Changeover switch The changeover switch shall not cause chattering which may affect the result

48、of voltage-time recording. BS EN 62813:2015IEC 62813:2015 IEC 2015 9 Key ICC constant-current UCVconstant-voltage D.C. ammeter D.C. voltage recorder S changeover switch CxLIC under test constant current power supply constant voltage power supply constant current load Figure 1 Basic circuit for measu

49、ring capacitance, discharge accumulated electric energy, and internal resistance 4.2.1.2 Measurement procedure and conditions The measurement procedure and conditions shall be as follows. The voltage profile between the LIC terminals in the measurement shall be as shown in Figure 2. a) Before setting sample The LIC shall be left in the standard atmospheric condition as defined in 4.1.1 for 2 h to 6 h. b) Sample setting Connect the LIC terminals to the circuit. c) Con