NEN-EN-IEC 60034-9
Rotating electrical machines - Part 9: Noise limits
inactive
| Organization: | NEN |
| Publication Date: | 1 October 1997 |
| Status: | inactive |
| Page Count: | 36 |
| ICS Code (Motors): | 29.160.30 |
| ICS Code (Noise emitted by machines and equipment): | 17.140.20 |
scope:
This standard specifies maximum permissible A-weighted sound power levels for rotating electrical machines complying with IEC 34-1, having methods of cooling according to IEC 34-6 and degrees of protection according to IEC 34-5, and having the following characteristics: - standard design, either a.c. or d.c., without special electrical mechanical, or acoustical modifications intended to reduce the noise level; - rated output from 1 kW (or kVA) to 5500 kW (or kVA); - speed not greater than 3750 rev/min.
Document History
May 1, 2007
Rotating electrical machines - Part 9: Noise limits
A description is not available for this item.
September 1, 2005
Rotating electrical machines - Part 9: Noise limits
Specifies test methods for the determination of sound power level of rotating electrical machines. Provides maximum A-weighted sound power levels for factory acceptance testing of rotating electrical...
NEN-EN-IEC 60034-9
October 1, 1997
Rotating electrical machines - Part 9: Noise limits
This standard specifies maximum permissible A-weighted sound power levels for rotating electrical machines complying with IEC 34-1, having methods of cooling according to IEC 34-6 and degrees of...