Specifies losses to be included when calculating efficiency for different types of machine. Details calibrated machine test, zero power factor test, retardation method, electrical back-to-back test and calorimetric test.
BS 4999-33:1977
Original price was: $264.16.$132.00Current price is: $132.00.
General requirements for rotating electrical machines-Methods for determining losses and efficiency from tests (excluding machines for traction vehicles)
BSI Group , 03/31/1977
