UL 810B-2016 UL Standard for Safety DC Power Capacitors (First Edition).pdf

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1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 810B Standard for DC Power Capacitors STANDARD FOR SAFETYUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT

2、 AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for DC Power Capacitors, UL 810B First Edition, Dated May 25, 2016 Summary of Topics This is the rst edition of the Standard for DC Power Capacitors, UL 810B. The new requirements are substantially

3、 in accordance with Proposal(s) on this subject dated April 24, 2015 and September 25, 2015. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form by any means, electronic, mechanical photocopying, recording, or otherwise without

4、 prior permission of UL. UL provides this Standard as is without warranty of any kind, either expressed or implied, including but not limited to, the implied warranties of merchantability or tness for any purpose. In no event will UL be liable for any special, incidental, consequential, indirect or

5、similar damages, including loss of prots, lost savings, loss of data, or any other damages arising out of the use of or the inability to use this Standard, even if UL or an authorized UL representative has been advised of the possibility of such damage. In no event shall ULs liability for any damage

6、 ever exceed the price paid for this Standard, regardless of the form of the claim. Users of the electronic versions of ULs Standards for Safety agree to defend, indemnify, and hold UL harmless from and against any loss, expense, liability, damage, claim, or judgment (including reasonable attorneys

7、fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. MAY 25, 2016 UL 810B tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 25, 2016 UL 810B tr2 No T

8、ext on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 25, 2016 1 UL 810B Standard for DC Power Capacitors First Edition May 25, 2016 This ANSI/UL Standard for Safety consists of the First Edition. The most recent designation of

9、 ANSI/UL 810B as an American National Standard (ANSI) occurred on May 25, 2016. ANSI approval for a standard does not include the Cover Page, Transmittal Pages and Title Page. Comments or proposals for revisions on any part of the Standard may be submitted to UL at any time. Proposals should be subm

10、itted via a Proposal Request in ULs On-Line Collaborative Standards Development System (CSDS) at http:/. ULs Standards for Safety are copyrighted by UL. Neither a printed nor electronic copy of a Standard should be altered in any way. All of ULs Standards and all copyrights, ownerships, and rights r

11、egarding those Standards shall remain the sole and exclusive property of UL. IEC, the text included in Section 17, 18, 19 and Appendix B is adapted by UL from IEC 61071 with permission of the American National Standards Institute (ANSI) on behalf of the International Electrotechnical Commission. All

12、 rights reserved. Figures 18.1, 18.2, 18.3 and their keys are reproduced from IEC 61071 with permission of the American National Standards Institute (ANSI) on behalf of the International Electrotechnical Commission. All rights reserved. COPYRIGHT 2016 UNDERWRITERS LABORATORIES INC. ANSI/UL 810B-2016

13、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS

14、 INTRODUCTION 1 Scope .5 2 Glossary .5 3 General 6 3.1 Components .6 3.2 Units of measurement .6 3.3 Undated references .6 CONSTRUCTION 4 Enclosure 7 4.1 General .7 4.2 Metallic 7 4.3 Nonmetallic 7 5 Internal Protection Bridge 8 6 Insulating Material .8 7 Leads, Terminals and Internal Wiring .10 8 S

15、pacings 12 8.1 General 12 8.2 Alternative spacings .13 PERFORMANCE 9 General .14 10 Pull-Out Test .15 11 Torque Test (Screw Terminals) .15 12 Conductor Insulation Test 16 13 Mold Stress Relief Test (Terminals Blocks/Terminal Connectors) .16 14 Dielectric Voltage-Withstand Test .17 14.1 Test between

16、terminals and enclosure .17 14.2 Test between terminals .17 15 Heating (Sealing) Test .18 16 Humidity Test 18 17 Surge Discharge Test 18 18 Fault Test 19 18.1 General .19 18.2 Requirements 19 18.3 Conditioning .19 18.4 Fault test circuits .19 18.5 Test procedure .24 19 Internal Fuse Operation Test .

17、25 19.1 General .25 19.2 Requirements 26 19.3 Test procedure .27 MANUFACTURING AND PRODUCTION TESTS 20 Dielectric Voltage-Withstand Test .28 MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 3UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FRO

18、M UL MARKINGS 21 General .29 INSTRUCTIONS 22 General .30 APPENDIX A Standards for ComponentsA1 APPENDIX B Capacitance Measurement Method B1 Measuring Procedure .B1 MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION

19、 WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 The requirements of this Standard apply to dc power capacitors with or without integral protection intended to reduce the risk of rupture and venting of the capacitor enclosure under internal fault conditions. These requirements apply to capacitor

20、s that are intended for use in dc power electronic applications such as switching circuits, dc ltering, and renewable energy systems. 1.2 Other types of capacitors may be investigated to establish compliance with these requirements and with such additional test criteria as may be found necessary. 1.

21、3 This standard does not include requirements for electrochemical capacitors, motor capacitors or power factor correction capacitors. 2 Glossary 2.1 For the purpose of this standard the following denitions apply. 2.2 CAPACITOR ELEMENT The layered and rolled interior electrode windings of a capacitor

22、, which is also known as the roll. 2.3 COMPONENT CAPACITOR A capacitor intended for building into other equipment. A component capacitor is also referred to as capacitor. 2.4 DRY TYPE CAPACITOR A capacitor that contains no liquid and utilizes a solid lling material other than wax. 2.5 ELECTRODE, FOI

23、L TYPE Capacitor plates consisting of thin metal or foil separated by a dielectric. This type of electrode is not self-healing. 2.6 ELECTRODE, METALLIZED Capacitor plates consisting of dielectric material covered with metallic deposits such as aluminum on the surface. This type of electrode has a te

24、ndency to self-restore or re-heal after local breakdown of the dielectric and is often referred to as self-healing . 2.7 FILLING MATERIAL Substance located within a capacitor enclosure that may also form all or part of the enclosure and that may or may not serve as insulation. The lling material is

25、typically oil, polyurethane or epoxy. 2.8 ENCLOSURE Refers to the capacitor element housing. It may also be referred to as a casing. 2.9 LEAD A conductor used to connect the capacitor roll to the means of termination. Typically wire, brass, copper either with integral insulating material or the addi

26、tion of insulating material. 2.10 INTERNAL PROTECTION BRIDGE (EXPANSION TYPE PROTECTION) An integral protection device that interrupts the circuit during expansion of the capacitor enclosure due to internal pressure build-up from overheating. It is also referred to as a PRESSURE SENSITIVE INTERRUPTE

27、R. MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 2.11 RATED VOLTAGE (U Ndc ) The specied maximum operating peak voltage for continuous operation for a dc capacitor. 2.12 RIPPLE VOLTA

28、GE (U R ) peak-to-peak alternating component of the unidirectional voltage from a dc power source. 3 General 3.1 Components 3.1.1 Except as indicated in 3.1.2, a component of a device covered by this standard shall comply with the requirements for that component. See Appendix A for a list of standar

29、ds covering components generally used in the products covered by this standard. 3.1.2 A component is not required to comply with a specic requirement that: a) Involves a feature or characteristic not required in the application of the component in the product covered by this standard; or b) Is super

30、seded by a requirement in this standard. 3.1.3 A component shall be used in accordance with its rating established for the intended conditions of use. 3.1.4 Specic components are incomplete in construction features or restricted in performance capabilities. Such components are intended for use only

31、under limited conditions, such as certain temperatures not exceeding specied limits, and shall be used only under those specic conditions. 3.2 Units of measurement 3.2.1 Values stated without parentheses are the requirement. Values in parentheses are explanatory or approximate information. 3.3 Undat

32、ed references 3.3.1 Any undated reference to a code or standard appearing in the requirements of this standard shall be interpreted as referring to the latest edition of that code or standard. MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 6UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER

33、 REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONSTRUCTION 4 Enclosure 4.1 General 4.1.1 A capacitor shall be provided within an enclosure that houses all live parts other than the supply leads, terminals, or discharge resistor. 4.2 Metallic 4.2.1 A metal enclosure shall be 0.010 in (0.25

34、 mm) thick minimum, if of steel, and 0.016 in (0.41 mm) thick minimum, if of aluminum, brass, or copper. 4.3 Nonmetallic 4.3.1 A polymeric material used as part or all of an enclosure shall comply with the applicable requirements in the Standard for Polymeric Materials Use in Electrical Equipment Ev

35、aluations, UL 746C. 4.3.2 A polymeric material used as part or all of an enclosure shall: a) Comply with the ammability test 3/4-in (19.1-mm) ame, specied in the Standard for Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C; or b) Be classed V-2 minimum in accordance with the Sta

36、ndard for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, UL 94. 4.3.3 The following are among the factors that shall be taken into consideration when using the Standard for Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C, to judge the acceptabil

37、ity of a nonmetallic material with respect to its intended application: a) Mechanical strength; b) Moisture-absorbent properties; c) Combustibility; d) Compatibility with dielectric mediums; e) Dielectric strength; f) Aging characteristics; and g) Resistance to distortion at maximum temperatures to

38、which the enclosure may be subjected under conditions of normal or abnormal use. MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 7UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL 4.3.4 With regard to mechanical strength, aging charact

39、eristics, and resistance to distortion at maximum temperatures of operation described in 4.3.3(a), (f) and (g), a polymeric material used as an enclosure shall have a relative mechanical temperature index without impact of at least 70C (158F) or the marked temperature rating, whichever is greater, i

40、n accordance with the Standard for Polymeric Materials Long Term Property Evaluations, UL 746B. With regard to the moisture-absorbent and dielectric strength properties described in 4.3.3(b) and (e), a polymeric material shall meet the requirements for dielectric strength as described in Table 6.1 o

41、f the Standard for Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C. 4.3.5 A nonmetallic enclosure material that also functions as an insulator shall comply with Insulating Material, Section 6. 5 Internal Protection Bridge 5.1 A polymeric material used as an internal protection b

42、ridge/pressure interrupter shall have a relative mechanical temperature index without impact in accordance with the Standard for Polymeric Materials Long Term Property Evaluations, UL 746B, at least equal to that of the capacitor enclosure. See 4.3.4. 6 Insulating Material 6.1 A material used for th

43、e mounting of uninsulated capacitor terminals shall be a material rated for the application, and shall comply with the requirements specied in Table 6.1. Exception No. 1: A polymeric insulating material that is not rated for, or does not comply with, the hot wire ignition or high current arc resista

44、nce to ignition requirements in Table 6.1 shall not be used unless the part fabricated with the polymeric material complies with the applicable testing requirements outlined in the “additional consideration for materials not meeting pre-selection test performance levels” as prescribed in the Standar

45、d for Polymeric Materials Use in Electrical Equipment Evaluations, UL 746C, Table 6.2. Exception No. 2: Products that have a minimum 1/2 in (12.7 mm) over surface spacing from terminal-to-terminal are not required to comply with the polymeric insulating material requirements of Table 6.1. Table 6.1

46、Polymeric insulating material Application Properties Minimum ammability class a Resistance to ignition Electrical Hot wire (HWI) b High current (HAI) b Dielectric breakdown strength b Comparative tracking index (CTI) b Maximum performance level category Maximum performance level category Minimum vol

47、ts Maximum performance level category Contact with insulated live parts c V - 043 V-1 4 2 V-2 4 2 Contact with uninsulated live parts d V-0 4 3 5000 5 V-1 3 2 5000 5 V-2 2 2 5000 5 MAY 25, 2016 STANDARD FOR DC POWER CAPACITORS - UL 810B 8 Table 6.1 Continued on Next PageUL COPYRIGHTED MATERIAL NOT A

48、UTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL Table 6.1 Continued Application Properties Minimum ammability class a Resistance to ignition Electrical Hot wire (HWI) b High current (HAI) b Dielectric breakdown strength b Comparative tracking index (CTI) b Maximum perfo

49、rmance level category Maximum performance level category Minimum volts Maximum performance level category a The ammability classication is to be determined by the tests described in the Standard for Tests for Flammability of Plastic Materials for Parts in Devices and Appliances, UL 94. b Tests are to be conducted in accordance with the Standard for Polymeric Materials Short Term Property Evaluation, UL 746A. Requirements for each test are specied in the Standard f