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This paper reports the implementation procedure of a real-time frequency tracking algorithm for induction motor drive velocity estimation on a commercial cRIO real-time/FPGA platform. The general software architecture required to establish a real-time frequency tracking routine is presented and its frequency tracking performance illustrated in practical tests on a 7.5 kW induction motor drive. The...
This paper investigates the feasibility of utilising the stator phase power signal to establish sensorless speed estimation schemes in wound rotor induction machines (WRIMs). To this end, the authors derive and validate closed form expressions defining the possible power signal spectral content containing rotor speed information. Based on these, two novel sensorless speed estimation techniques are...
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