IEC 60076-10-1:2016

Power transformers - Part 10-1: Determination of sound levels - Application guide

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.

Transformateurs de puissance - Partie 10-1: Détermination des niveaux de bruit - Guide d'application

L'IEC 60076-10-1:2016 fournit des informations visant à aider les fabricants et les acheteurs à appliquer les techniques de mesure décrites dans l'IEC 60076-10. Outre l'introduction de certaines notions acoustiques de base, les sources et caractéristiques relatives aux transformateurs et aux bobines d'inductance sont décrites. Des lignes directrices pratiques relatives aux mesures sont fournies, et les facteurs exerçant une influence sur la précision des méthodes sont abordés. Le présent guide d'application indique également pourquoi les valeurs mesurées en usine peuvent différer de celles mesurées en service. Le présent guide d'application s'applique aux transformateurs et aux bobines d'inductance ainsi qu'à leurs auxiliaires de refroidissement associés. Cette édition inclut les modifications techniques majeures suivantes par rapport à l'édition précédente:
a) ajout d'informations étendues relatives aux champs acoustiques;
b) intégration de l'effet des harmoniques réels sur les enroulements;
c) ajout d'informations mises à jour sur les méthodes de mesure en pression acoustique et sur l'intensité acoustique;
d) informations à l'appui relatives aux procédures de mesure d'inspection en continu et point par point;
e) ajout d'une clarification de la pondération A;
f) ajout de nouvelles informations sur les bandes de fréquence;
g) ajout d'informations de contexte sur la distance de mesure;
h) introduction d'une nouvelle annexe sur l'augmentation acoustique due aux courants harmoniques dans les enroulements.
Cette publication doit être lue conjointement avec la IEC 60076-10:2016.

General Information

• Status: Published
• Publication Date: 23-Mar-2016
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 29.180 - Transformers. Reactors
• Technical Committee: TC 14 - Power transformers
• Drafting Committee: MT 60076-10 - TC 14/MT 60076-10
• Current Stage: PPUB - Publication issued
• Start Date: 15-May-2016
• Completion Date: 24-Mar-2016

Relations

• Amended By: IEC 60076-10-1:2016/AMD1:2020 - Amendment 1 - Power transformers - Part 10-1: Determination of sound levels - Application guide
• Effective Date: 05-Sep-2023

Standards Content (Sample)

IEC 60076-10-1
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Power transformers –
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IEC 60076-10-1
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Edition 2.1 2020-11
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Power transformers –
Part 10-1: Determination of sound levels – Application guide

IEC 60076-10-1:2016-03+AMD1:2020-11 CSV(en)

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– 2 – IEC 60076-10-1:2016+AMD1:2020 CSV
  IEC 2020
CONTENTS
FOREWORD . 5
1 Scope . 7
2 Normative references . 7
3 Basic physics of sound . 7
3.1 Phenomenon . 7
3.2 Sound pressure, p . 7
3.3 Particle velocity, u . 8
3.4 Sound intensity, . 8
I
3.5 Sound power, W . 8
3.6 Sound fields .
...

IEC 60076-10-1
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Edition 2.0 2016-03
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
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Power transformers –
Part 10-1: Determination of sound levels – Application guide

Transformateurs de puissance –
Partie 10-1: Détermination des niveaux de bruit – Guide d'application

IEC 60076-10-1:2016-03(en-fr)

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