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IEC 60076-10-1-ed.2.0
Power transformers - Part 10-1: Determination of sound levels - Application guide
STANDARD published on 24.3.2016
The information about the standard:
Designation standards: IEC 60076-10-1-ed.2.0
Publication date standards: 24.3.2016
SKU: NS-634448
The number of pages: 93
Approximate weight : 310 g (0.68 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60076-10-1-ed.2.0 :
IEC 60076-10-1:2016 provides supporting information to help both manufacturers and purchasers to apply the measurement techniques described in IEC 60076-10. Besides the introduction of some basic acoustics, the sources and characteristics of transformer and reactor sound are described. Practical guidance on making measurements is given, and factors influencing the accuracy of the methods are discussed. This application guide also indicates why values measured in the factory may differ from those measured in service. This application guide is applicable to transformers and reactors together with their associated cooling auxiliaries. This edition includes the following significant technical changes with respect to the previous edition: a) extended information on sound fields provided; b) effect of current harmonics in windings enfolded; c) updated information on measuring methods sound pressure and sound intensity given; d) supporting information on measuring procedures walk-around and point-by-point given; e) clarification of A-weighting provided; f) new information on frequency bands given; g) background information on measurement distance provided; h) new annex on sound-built up due to harmonic currents in windings introduced. This publication is to be read in conjunction with IEC 60076-10:2016. LIEC 60076-10-1:2016 fournit des informations visant a aider les fabricants et les acheteurs a appliquer les techniques de mesure decrites dans lIEC 60076-10. Outre lintroduction de certaines notions acoustiques de base, les sources et caracteristiques relatives aux transformateurs et aux bobines dinductance sont decrites. Des lignes directrices pratiques relatives aux mesures sont fournies, et les facteurs exercant une influence sur la precision des methodes sont abordes. Le present guide dapplication indique egalement pourquoi les valeurs mesurees en usine peuvent differer de celles mesurees en service. Le present guide dapplication sapplique aux transformateurs et aux bobines dinductance ainsi qua leurs auxiliaires de refroidissement associes. Cette edition inclut les modifications techniques majeures suivantes par rapport a ledition precedente: a) ajout dinformations etendues relatives aux champs acoustiques; b) integration de leffet des harmoniques reels sur les enroulements; c) ajout dinformations mises a jour sur les methodes de mesure en pression acoustique et sur lintensite acoustique; d) informations a lappui relatives aux procedures de mesure dinspection en continu et point par point; e) ajout dune clarification de la ponderation A; f) ajout de nouvelles informations sur les bandes de frequence; g) ajout dinformations de contexte sur la distance de mesure; h) introduction dune nouvelle annexe sur laugmentation acoustique due aux courants harmoniques dans les enroulements. Cette publication doit etre lue conjointement avec la IEC 60076-10:2016.
These changes apply to this standard:
IEC 60076-10-1-ed.2.0/Amd.1
Change
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Amendment 1 - Power transformers - Part 10-1: Determination of sound levels - Application guide
Change published on 2.11.2020
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