EN 60551:1992/A1:1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
DETERMINATION OF TRANSFORMER AND REACTOR SOUND LEVELS
07-01-2001
08-29-1997
FOREWORD
PREFACE
1 Scope
2 Definitions
3 Instruments
4 Conditions for measurement
5 Measurement of sound pressure levels
6 Calculation of surface sound pressure level and sound power
level
7 Presentation of results
APPENDIX A - Test environment qualification procedure
Annex ZA (normative) Other international publications quoted in
this standard with the references of the relevant
European publications
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.