1、 IEC/TS 61973 Edition 1.0 2012-04 TECHNICAL SPECIFICATION High voltage direct current(HVDC)substation audible noise IEC/TS 61973:2012(E)colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distr
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9、mer Service Centre:csciec.ch.Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.IEC/TS 61973 Edition 1.0 2012-04 TECHNICAL SPECIFICATION High voltage di
10、rect current(HVDC)substation audible noise INTERNATIONAL ELECTROTECHNICAL COMMISSION XC ICS 29.240.10;29.240.99 PRICE CODE ISBN 978-2-88912-041-3 Registered trademark of the International Electrotechnical Commission Warning!Make sure that you obtained this publication from an authorized distributor.
11、colourinsideCopyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.2 TS 61973 IEC:2012(E)CONTENTS FOREWORD.7 1 Scope.9 2 Normative references.9 3 Terms and
12、definitions.10 3.1 Sound and noise terms.10 3.2 Sound radiation terms.14 3.3 Acoustic fields.16 4 Environmental influences.16 4.1 General.16 4.2 Directivity of sound radiation.16 4.3 Background noise.17 4.4 Topography.19 4.5 Meteorological conditions.20 5 Noise level limits.21 5.1 General.21 5.2 Reg
13、ulations.22 5.2.1 Noise level limits.22 5.2.2 Noise level measurement.22 5.3 Land-use classifications.22 5.4 Location of required performance limits.23 5.4.1 General.23 5.4.2 At the fence surrounding the HVDC substation or at the border of the substation owners property.23 5.4.3 At the given contour
14、 away from the HVDC substation(e.g.on a circle perimeter or beyond a property border line).23 5.4.4 At the border of a nearby property.23 5.5 Relationship of performance limits to time duration.24 5.6 Typical noise performance limits.24 5.6.1 General.24 5.6.2 Specific A-weighted sound pressure level
15、s.24 5.6.3 Maximum allowable increase over background noise levels.24 6 Sound emitting sources.25 6.1 General.25 6.2 Converter transformer.25 6.2.1 Noise sources in a converter transformer.25 6.2.2 Comparison with a.c.power transformers.26 6.2.3 Special features of HVDC converter transformers.26 6.2
16、.4 Transformer winding noise.27 6.3 Reactors.28 6.3.1 Type and design of HVDC reactors.28 6.3.2 Mechanism of sound generation.28 6.3.3 AC filter reactors.33 6.3.4 HVDC smoothing reactors.34 6.3.5 Self-tuned filter reactors.35 6.4 Capacitors.36 6.4.1 Type and design of capacitors.36 Copyrighted material licensed to BR Demo by Thomson Reuters(Scientific),Inc.,downloaded on Nov-28-2014 by James Madison.No further reproduction or distribution is permitted.Uncontrolled when printed.TS 61973 IEC:2