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The “direct-torque-control” (DTC) is an alternative to the commonly used “field oriented control” (FOC) for the control of a PMSM. One advantage of the DTC is its inherent ability of sensorless control. However at standstill and low speed range the back-EMF based model has problems to detect the rotor position. The switching command synchronized evaluation (SCSE) calculates the rotor position using...
This paper presents a specific control strategy of double-ended inverter system for wide-speed range of open-end winding five phase PM machines. Different virtual winding configurations (star, pentagon, pentacle and bipolar) can be obtained by choosing the appropriated switching sequences of two inverters. The motor's speed range is thus increased.
An novel multiplexing technique applied on a neural harmonics extraction method is presented in this paper. This structure can be used in nonlinear loads compensation with Active Power Filters. The approach is composed of a neural Phase Lock-Loop and a neural reference current generator based on an efficient formulation of the instantaneous reactive power theory. For the purpose of harmonics suppression...
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