British & International Standards

BS 4999

Standard Number: BS 4999:Part 109:1987
Title: General requirements for rotating electrical machines. Specification for noise levels, including test methods limits of dB(A) sound power given for machines rated up to 16 MW.
Status: Superseded, Withdrawn
Publication Date: 1987/02/27
Cross References: BS 2475, BS 4999:Part 105, BS 5969, ISO/R 1680,
Withdrawn on: 1994/09/15
Replaced by: BS EN 60034-9:1994,
Replaces: BS 4999:Part 51:1973,
International Relationships: IEC 60034-9 Not Equivalent
Descriptors: Rotating electric machines, Electric machines, Noise (environmental), Sound intensity, Acoustic measurement, Acoustic testing, Free-field rooms, Testing conditions, Mathematical calculations, Error correction, Grades (quality)



Standard Number: BS 4999-142:1987
Title: General requirements for rotating electrical machines. Specification for mechanical performance: vibration
Abstract: Test and measurement conditions and limits of vibration for machines with centre heights 80 mm to 400 mm. Recommended method of test for smaller machines and limits of vibration for larger machines.
Status: Superseded, Withdrawn
Publication Date: 1987/02/27
Cross References: BS 4675:Part 2, BS 4999:Part 143,
Withdrawn on: 2006/02/17
Replaced by: BS EN 60034-14:2004,
Replaces: BS 4999:Part 50:1978,
International Relationships: IEC 60034-14 Not Equivalent , ISO 2373 Not Equivalent
Amended by: AMD 6542, November 1990 (£0.00(M), £0.00(NM))
Descriptors: Rotating electric machines, Electric machines, Vibration, Vibration measurement, Vibration testing, Seatings, Performance, Grades (quality), Velocity, Shaft centre heights