$54.77Original price was: $54.77.$33.00Current price is: $33.00.
Rotating electrical machines, Part 33: General requirements – Methods for determining losses and efficiency standard by Standards Australia, 02/06/1983
Specifies the calculation of efficiency from the summation of individual losses or from measurement of total losses. Specifies particular losses to be included for various types of machine. Details calibrated machine test, zero power-factor test, retardation method, electrical back-to-back test and calorimetric test.
