Amendment 1 to IEC 60034-9: Clause 7: Determination of sound pressure levels
Abstract
This part of IEC 60034 specifies test methods for the determination of sound power level of rotating electrical machines; specifies maximum A-weighted sound power levels for factory acceptance testing of rotating electrical machines in accordance with IEC 60034 1, having methods of cooling according to IEC 60034 6 and degrees of protection according to IEC 60034 5, and having the following characteristics: - standard design, either a.c. or d.c., without additional special electrical, mechanical or acoustical modifications intended to reduce the sound power level; - rated output from 1 kW (or kVA) up to and including 5 500 kW (or kVA); - speed not greater than 3 750 min-1.
Begin
1998-12-11
Planned document number
IEC 2/1116/CDV
Responsible national committee
DKE/K 311 - Drehende elektrische Maschinen
