Andreea Zbant

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Positioning systems are powered by different types of electric motors. A special category of electric motors, which are increasingly used in systems, are hybrid stepper motors (the most common example are with two phases). Due the simplicity of construction, command and control, they are used even in other electric drive systems. This paper presents a new(More)
Harmonic distortion introduced by nonlinear loads in the electric system is hard to measure and anticipate, and the effects are harmful to other loads. To compensate these drawbacks, usually active power filters are used, but their performance depends on the method used to generate the reference current, and on the parameters of the filter. This paper(More)
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