I.S. EN 60076-10:2016

National Foreword
FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions
4 Sound power for different loading conditions
5 Sound level measurement specification
6 Instrumentation, calibration and accuracy
7 Principal radiating surface
8 Prescribed contour
9 Microphone positions
10 Calculation of the measurement surface area
11 Sound measurement
12 Determination of sound power level by calculation
13 Logarithmic addition and subtraction of individual
   sound levels
14 Far-field calculations for distances larger than 30 m
15 Presentation of results
Annex A (informative) - Narrow-band and time-synchronous
        measurements
Annex B (informative) - Typical report of sound level
        determination
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publication

Specifies sound pressure and sound intensity measurement methods from which sound power levels of transformers, reactors and their cooling devices are determined.