Establishes two methods for determination of efficiency: Method 1: for motors tested by using a torque measurement device, with additional load losses derived from measurements; Method 2: for motors tested without torque measurement, with assigned additional load losses.
You easily download any file type for your gadget.IEC 61972 Ed. 1.0 b:2002, Method for determining losses and efficiency of three-phase cage induction motors | IEC TC/SC 2. I really enjoyed this book and have already told so many people about it!