1、BRITISH STANDARD BS IEC 60050-551: 1998 International Electrotechnical Vocabulary Part 551: Power electronics ICS 01.040.29; 01.040.31; 29.020; 31.020BSIEC 60050-551:1998 This British Standard, having been prepared under the directionof the Electrotechnical Sector Committee, was publishedunder the a
2、uthorityofthe Standards Committee andcomes into effect on 15 April 1999 BSI 03-2000 ISBN 0 580 32345 5 National foreword This British Standard reproduces verbatim IEC 60050-551:1998 and implements it as the UK national standard. The UK participation in its preparation was entrusted to Technical Comm
3、ittee GEL/1, Terminology, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European de
4、velopments and promulgate them in the UK. A list of organizations represented on this committee can be obtained on request to its secretary. From 1 January 1997, all IEC publications have the number 60000 added to the old number. For instance, IEC 27-1 has been renumbered as IEC 60027-1. For a perio
5、d of time during the change over from one numbering system to the other, publications may contain identifiers from both systems. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue unde
6、r the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct ap
7、plication. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, theIEC title page, pages ii to iv, pages 1 to 171 and a back cover. This standard has been updated (
8、see copyright date) and may have had amendments incorporated. This will be indicated in the amendment table on the inside front cover. Amendments issued since publication Amd. No. Date CommentsBSIEC 60050-551:1998 BSI 03-2000 i Contents Page National foreword Inside front cover Text of IEC 60050-551
9、 1ii blankBSIEC 60050-551:1998 ii BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 iiiBSIEC 60050-551:1998 iv BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 1BSIEC 60050-551:1998 2 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 3BSIEC 60050-551:1998 4 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 5BSIEC 60050-55
10、1:1998 6 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 7BSIEC 60050-551:1998 8 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 9BSIEC 60050-551:1998 10 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 11BSIEC 60050-551:1998 12 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 13BSIEC 60050-551:1998 14 BSI 03-2000BSI
11、EC 60050-551:1998 BSI 03-2000 15BSIEC 60050-551:1998 16 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 17BSIEC 60050-551:1998 18 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 19BSIEC 60050-551:1998 20 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 21BSIEC 60050-551:1998 22 BSI 03-2000BSIEC 60050-551:1998 BS
12、I 03-2000 23BSIEC 60050-551:1998 24 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 25BSIEC 60050-551:1998 26 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 27BSIEC 60050-551:1998 28 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 29BSIEC 60050-551:1998 30 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 31BSIEC 60
13、050-551:1998 32 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 33BSIEC 60050-551:1998 34 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 35BSIEC 60050-551:1998 36 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 37BSIEC 60050-551:1998 38 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 39BSIEC 60050-551:1998 40 BSI
14、03-2000BSIEC 60050-551:1998 BSI 03-2000 41BSIEC 60050-551:1998 42 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 43BSIEC 60050-551:1998 44 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 45BSIEC 60050-551:1998 46 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 47BSIEC 60050-551:1998 48 BSI 03-2000BSIEC 60050-5
15、51:1998 BSI 03-2000 49BSIEC 60050-551:1998 50 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 51BSIEC 60050-551:1998 52 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 53BSIEC 60050-551:1998 54 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 55BSIEC 60050-551:1998 56 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000
16、57BSIEC 60050-551:1998 58 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 59BSIEC 60050-551:1998 60 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 61BSIEC 60050-551:1998 62 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 63BSIEC 60050-551:1998 64 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 65BSIEC 60050-551:19
17、98 66 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 67BSIEC 60050-551:1998 68 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 69BSIEC 60050-551:1998 70 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 71BSIEC 60050-551:1998 72 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 73BSIEC 60050-551:1998 74 BSI 03-2000BSI
18、EC 60050-551:1998 BSI 03-2000 75BSIEC 60050-551:1998 76 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 77BSIEC 60050-551:1998 78 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 79BSIEC 60050-551:1998 80 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 81BSIEC 60050-551:1998 82 BSI 03-2000BSIEC 60050-551:1998 BS
19、I 03-2000 83BSIEC 60050-551:1998 84 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 85BSIEC 60050-551:1998 86 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 87BSIEC 60050-551:1998 88 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 89BSIEC 60050-551:1998 90 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 91BSIEC 60
20、050-551:1998 92 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 93BSIEC 60050-551:1998 94 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 95BSIEC 60050-551:1998 96 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 97BSIEC 60050-551:1998 98 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 99BSIEC 60050-551:1998 100 BSI
21、 03-2000BSIEC 60050-551:1998 BSI 03-2000 101BSIEC 60050-551:1998 102 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 103BSIEC 60050-551:1998 104 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 105BSIEC 60050-551:1998 106 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 107BSIEC 60050-551:1998 108 BSI 03-2000BSIE
22、C 60050-551:1998 BSI 03-2000 109BSIEC 60050-551:1998 110 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 111BSIEC 60050-551:1998 112 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 113BSIEC 60050-551:1998 114 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 115BSIEC 60050-551:1998 116 BSI 03-2000BSIEC 60050-551:
23、1998 BSI 03-2000 117BSIEC 60050-551:1998 118 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 119BSIEC 60050-551:1998 120 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 121BSIEC 60050-551:1998 122 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 123BSIEC 60050-551:1998 124 BSI 03-2000BSIEC 60050-551:1998 BSI 03-
24、2000 125BSIEC 60050-551:1998 126 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 127BSIEC 60050-551:1998 128 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 129BSIEC 60050-551:1998 130 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 131BSIEC 60050-551:1998 132 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 133BSIE
25、C 60050-551:1998 134 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 135BSIEC 60050-551:1998 136 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 137BSIEC 60050-551:1998 138 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 139BSIEC 60050-551:1998 140 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 141BSIEC 60050-551:
26、1998 142 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 143BSIEC 60050-551:1998 144 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 145BSIEC 60050-551:1998 146 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 147BSIEC 60050-551:1998 148 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 149BSIEC 60050-551:1998 150 BSI
27、 03-2000BSIEC 60050-551:1998 BSI 03-2000 151BSIEC 60050-551:1998 152 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 153BSIEC 60050-551:1998 154 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 155BSIEC 60050-551:1998 156 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 157BSIEC 60050-551:1998 158 BSI 03-2000BSIE
28、C 60050-551:1998 BSI 03-2000 159BSIEC 60050-551:1998 160 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 161BSIEC 60050-551:1998 162 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 163BSIEC 60050-551:1998 164 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 165BSIEC 60050-551:1998 166 BSI 03-2000BSIEC 60050-551:
29、1998 BSI 03-2000 167BSIEC 60050-551:1998 168 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 169BSIEC 60050-551:1998 170 BSI 03-2000BSIEC 60050-551:1998 BSI 03-2000 171BS IEC 60050-551: 1998 BSI 389 Chiswick High Road London W4 4AL BSIBritishStandardsInstitution BSI is the independent national body resp
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