BS 4999-109:1987
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
General requirements for rotating electrical machines Specification for noise levels, including test methods
Hardcopy , PDF
15-03-1994
English
27-02-1987
Specifies methods of measuring and classifying the acoustic noise emitted under free field conditions. Methods for correcting for presence of pure tones. Upper limits of dB(A) sound power given for machines rated up to 16 MW.
| Committee |
PEL/2
|
| DevelopmentNote |
IMPLEMENTS CENELEC HD 53.9
|
| DocumentType |
Standard
|
| Pages |
18
|
| PublisherName |
British Standards Institution
|
| Status |
Superseded
|
| SupersededBy | |
| Supersedes |
| DEFSTAN 61-5(PT2)SEC6/2(1992) : 1992 AMD 1 1994 | ELECTRICAL POWER SUPPLY SYSTEMS BELOW 650 VOLTS - PART 2: GROUND GENERATING SET CHARACTERISTICS - SECTION 6: AUDIO NOISE, METHODS OF MEASUREMENT |
| BS 5000-3:1980 | Specification for rotating electrical machines of particular types or for particular applications Generators to be driven by reciprocating internal combustion engines |
| IEC 60034-9:2003+AMD1:2007 CSV | Rotating electrical machines - Part 9: Noise limits |
| BS 4999-105:1988 | General requirements for rotating electrical machines Classification of degrees of protection provided by enclosures for rotating machinery |
| ISO 1680:2013 | Acoustics — Test code for the measurement of airborne noise emitted by rotating electrical machines |
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.