UL 347A-2015 UL Standard for Safety Medium Voltage Power Conversion Equipment (First Edition Reprint with revisions through and including June 27 2017)《中压电力变换设备安全性标准》.pdf
《UL 347A-2015 UL Standard for Safety Medium Voltage Power Conversion Equipment (First Edition Reprint with revisions through and including June 27 2017)《中压电力变换设备安全性标准》.pdf》由会员分享,可在线阅读,更多相关《UL 347A-2015 UL Standard for Safety Medium Voltage Power Conversion Equipment (First Edition Reprint with revisions through and including June 27 2017)《中压电力变换设备安全性标准》.pdf(70页珍藏版)》请在麦多课文档分享上搜索。
1、UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL 347A Medium Voltage Power Conversion EquipmentUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM ULUL COPYRIGHTED MATERIAL NOT AUTHORIZED
2、 FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL UL Standard for Safety for Medium Voltage Power Conversion Equipment, UL 347A First Edition, Dated September 8, 2015 Summary of Topics This is the rst edition of the Standard for Medium Voltage Power Conversion Equipment, UL 347A.
3、The new requirements are substantially in accordance with Proposal(s) on this subject dated March 20, 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 oth
4、erwise without 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
5、, indirect or 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
6、for any damage 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 reasona
7、ble attorneys fees) resulting from any error or deviation introduced while purchaser is storing an electronic Standard on the purchasers computer system. SEPTEMBER 8, 2015 UL 347A tr1UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER
8、8, 2015 UL 347A tr2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL SEPTEMBER 8, 2015 1 UL 347A Standard for Medium Voltage Power Conversion Equipment First Edition September 8, 2015 This ANSI/UL Standard for Safety consi
9、sts of the First Edition. The most recent designation of ANSI/UL 347A as an American National Standard (ANSI) occurred on September 8, 2015. 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
10、 may be submitted to UL at any time. Proposals should be submitted 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
11、of ULs Standards and all copyrights, ownerships, and rights regarding those Standards shall remain the sole and exclusive property of UL. COPYRIGHT 2015 UNDERWRITERS LABORATORIES INC. ANSI/UL 347A-2015UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION
12、FROM UL SEPTEMBER 8, 2015 MEDIUM VOLTAGE POWER CONVERSION EQUIPMENT - UL 347A 2 No Text on This PageUL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL CONTENTS INTRODUCTION 1 Scope .6 2 Glossary .6 3 Components 10 4 Units of Measurement 10 RATI
13、NG 5 General .10 CONSTRUCTION 6 General .11 7 Enclosure .11 7.1 General 11 7.2 Ventilation openings .11 7.3 Environmental rating related enclosure requirements 12 7.4 Protection against corrosion 13 8 Arrangement of Components 13 9 Guarding and Accessiblity of Live Parts 13 10 Grounding and Bonding
14、.14 11 Protective Devices 14 12 Overload Relays 16 13 Isolating Means .16 14 Interlocking 17 15 Automatic Restarting 18 16 Internal Wiring 19 17 Voltage Dividers .19 18 Terminals and Connections .20 19 Spacings 20 19.1 General .20 19.2 Circuits connected to the medium voltage line .21 19.3 Circuits
15、isolated from the medium voltage line .22 19.4 Insulating material used as a barrier in lieu of spacings .26 19.5 Clamped insulating joints in lieu of spacings .26 20 Means for Switching 26 21 Capacitors .26 22 Control Circuits .27 23 Bypass Circuits .28 23.1 Bypass contactors rated 15 kV and less 2
16、8 23.2 Bypass Circuits Rated Over 15 kV .29 24 Gate Drive Circuits 29 25 Transformers, Reactors, and Voltage Sensing Devices 30 26 Cord-Connected Programming and Diagnostic Units 30 27 Accessories 31 28 Cooling Systems 31 SEPTEMBER 8, 2015 MEDIUM VOLTAGE POWER CONVERSION EQUIPMENT - UL 347A 3UL COPY
17、RIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL PERFORMANCE 29 General 32 30 Temperature Test .33 30.1 General .33 30.2 Test conditions .35 31 Dielectric Voltage-Withstand Test .39 31.1 General .39 31.2 Meters 40 31.3 Test procedure .40 32 Switchin
18、g Capability Test - Isolating Means 40 33 Short Circuit Interruption Test 41 33.1 General requirements .41 33.2 Interruption ratings .42 33.3 Branch circuit short circuit protection requirements .45 34 Impulse Withstand Test 46 34.1 General .46 34.2 Impulse voltage withstand test methods .47 34.3 Ev
19、aluation .47 35 Calibration Tests Overload 48 36 Solid State Motor Protection Tests 48 36.1 Solid state motor overload protection test .48 36.2 Thermal memory retention test (shutdown) 49 36.3 Thermal memory retention test (loss of power) .49 36.4 Speed sensitivity test .50 37 Operation Tests 50 37.
20、1 General .50 37.2 Single phasing .51 37.3 Inoperative blower motor 51 37.4 Clogged lter 51 37.5 Current limiting control 51 37.6 Loss of cooling medium circulation test .52 37.7 Acceptance criteria .52 38 Hydrostatic Pressure Test .53 39 Breakdown of Components Test 53 40 Mechanical Operation and I
21、nterlock Integrity Test .56 41 Accessory Installation Test .56 MARKINGS 42 General 57 43 Overload, Overcurrent, Overtemperature, and Overspeed Protection Markings .60 44 Branch Circuit Short Circuit Protection Markings 61 45 Cautionary Markings 62 46 Instructions and Markings Pertaining to Enclosure
22、s .62 46.1 Permanence of marking .62 46.2 Details 63 47 Instructions and Markings Pertaining to Accessories 63 MANUFACTURING AND PRODUCTION LINE TEST 48 Burn-In and Diagnostic Tests .64 SEPTEMBER 8, 2015 MEDIUM VOLTAGE POWER CONVERSION EQUIPMENT - UL 347A 4UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR
23、FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL APPENDIX A SEPTEMBER 8, 2015 MEDIUM VOLTAGE POWER CONVERSION EQUIPMENT - UL 347A 5UL COPYRIGHTED MATERIAL NOT AUTHORIZED FOR FURTHER REPRODUCTION OR DISTRIBUTION WITHOUT PERMISSION FROM UL INTRODUCTION 1 Scope 1.1 These requirements cov
24、er enclosed medium voltage power conversion equipment, such as variable frequency controllers, that control and transfer power to motors. These requirements also cover power-supply modules, input/output modules, and electronic assemblies, for use in or with power conversion equipment. 1.2 These requ
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
10000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- UL347A2015ULSTANDARDFORSAFETYMEDIUMVOLTAGEPOWERCONVERSIONEQUIPMENTFIRSTEDITIONREPRINTWITHREVISIONSTHROUGHANDINCLUDINGJUNE272017
链接地址:http://www.mydoc123.com/p-1068088.html