Abstract :
Additional heat produced in induction machines due to stray load losses could influence the plant rating, winding insulation design, operating limit and the machine protection design. Quantifying this additional heat and stray load losses accurately and, hence, investigating the extent of some of these influences are the concerns of this paper. Two experimentally verified models, electrical and thermal, are presented. Results of a practical exercise on the measurement of stray load losses by different test methods are reported. The study, thereafter, gives insight into the relationship between stray load losses and the influences mentioned above and contribute results, which are useful to the design and operation of this machine and its protection
Keywords :
asynchronous machines; load (electric); losses; machine testing; machine windings; thermal analysis; induction machine; machine protection design; operating limit; plant rating; stray load losses; test methods; thermal effects; winding insulation design; Electric machines; Induction machines; Induction motors; Industry Applications Society; Insulation; Loss measurement; Machine windings; Protection; Thermal loading; Torque;
