Defines the methods by which the sound levels of transformers, reactors and their associated cooling equipment shall be determined so that compliance with any specification requirements may be confirmed and the characteristic of noise emitted in service determined.
WITHDRAWN
IEC 60551:1976 ED1
WITHDRAWN
IEC 60551:1987 ED2
99.60
Withdrawal effective
May 23, 2001
WITHDRAWN
IEC 60551:1987/AMD1:1995 ED2
WITHDRAWN
IEC 60076-10:2001 ED1