Evaluating motor efficiency has become extremely important since recent developments are focused on more efficient electrical machines and drives. The main issue is how to implement an accelerated procedure that obtains the motor or drive efficiency for all operating points safely, accurately and rapidly Ordinary test methods using a typical power analyser only offer numerical results. To get beyond numerical results, all electrical, mechanical and physical signals must be acquired simultaneously at high sample rates, coupled with advanced real-time custom analysis and fast data transfer to automation systems. This makes it possible to perform electric motor and drive efficiency mapping accurately and rapidly, as well as almost any type of advanced analysis.
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