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SEMICONDUCTOR CONVERTERS - PART 2: SELF-COMMUTATED SEMICONDUCTOR CONVERTERS INCLUDING DIRECT D.C. CONVERTERS
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Available format(s): Hardcopy, PDF
Language(s): English
Published date: 01-01-2003
Publisher: National Standards Authority of Ireland
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.Only cited Standards give presumption of conformance to New Approach Directives/Regulations.Dates of withdrawal of national standards are available from NSAI.
Foreword1 Scope2 Normative References3 Definitions 3.1 Functions of converters 3.2 Types of converters 3.3 Converter circuit components 3.4 Important properties of converters and electronic valve devices 3.5 Disturbances and electromagnetic compatibility 3.6 Characteristics related to input and output 3.7 Definitions of rated values 3.8 Definitions related to cooling 3.9 Definitions related to temperature 3.10 Definitions related to tests4 Additional Subscripts and Letter Symbols5 Service Conditions 5.1 Code of identification for cooling methods 5.2 Environmental conditions 5.2.1 Ambient air circulation 5.2.2 Normal service conditions 5.2.3 Unusual environmental service conditions and design considerations 5.3 Electrical service conditions 5.3.1 Electrical environment specification 5.3.2 Unknown site conditions 5.4 Character of the load 5.5 Immunity requirements 5.5.1 AC supply 5.5.2 DC supply 5.5.3 Load conditions, load unbalance 5.5.4 Electrical unusual service conditions and performance requirements6 Rated Values and Additional Characteristics 6.1 General 6.2 Rated values to be specified by the supplier 6.2.1 Rated input values 6.2.2 Rated output values 6.3 Additional characteristics 6.4 Marking7 Tests 7.1 General 7.1.1 Classification of tests 7.1.2 Performance of tests 7.2 Test schedule for converter equipment and converter assemblies 7.3 Test specifications 7.3.1 Visual inspection 7.3.2 Checking of auxiliary devices 7.3.3 Insulation test 7.3.4 Checking of the protective devices 7.3.5 Light load and functional test 7.3.6 Rated output test 7.3.7 Overcurrent test 7.3.8 Temperature-rise test 7.3.9 Power loss determination 7.3.10 Measurement of total harmonic distortion (THD) or total harmonic factor (THF) 7.3.11 Measurement of power factor 7.3.12 Measurement of output voltage 7.3.13 Confirmation of output voltage adjustable range 7.3.14 Output voltage unbalance test 7.3.15 Confirmation of output frequency adjustable range 7.3.16 Output frequency tolerances band test 7.3.17 Checking of the automatic control 7.3.18 Short-circuit test 7.3.19 Measurement of audible noise 7.3.20 Immunity test 7.3.21 Emission test 7.3.22 Measurement of ripple voltage and current 7.3.23 Additional tests 7.4 TolerancesAnnex A (informative) Example for testing high power converters A.1 Introduction A.2 Basic concepts A.3 Test procedures A.3.1 Rated output test A.3.2 Overcurrent test A.3.3 Temperature-rise test A.3.3.1 GTO and diode A.3.3.2 Snubber circuits A.3.3.3 DC capacitors A.3.4 Power loss determination
Covers all kinds of semiconductor converters of the self-commutated type as well as power converters containing at least a part of a self-commutated type, e.g. indirect d.c. converters, a.c. converters and direct d.c. converters.
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