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IEC 60076-10-1-ed.2.1+Amd.1-CSV
Power transformers - Part 10-1: Determination of sound levels - Application guide
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STANDARD published on 2.11.2020
The information about the standard:
Designation standards: IEC 60076-10-1-ed.2.1+Amd.1-CSV
Publication date standards: 2.11.2020
SKU: NS-1092409
The number of pages: 88
Approximate weight : 295 g (0.65 lbs)
Country: International technical standard
Category: Technical standards IEC
The category - similar standards:
Annotation of standard text IEC 60076-10-1-ed.2.1+Amd.1-CSV :
IEC 60076-10-1:2016+A1:2020 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 consolidated version consists of the second edition (2016) and its amendment 1 (2020). Therefore, no need to order amendment in addition to this publication.
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