Sensorless Control of IM Drives considering 0 Hz crossover
Control Theoretical Analysis and Synthesis
Seiten
2011
LAP Lambert Acad. Publ. (Verlag)
978-3-8443-2133-3 (ISBN)
LAP Lambert Acad. Publ. (Verlag)
978-3-8443-2133-3 (ISBN)
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Electrical drives based on sensorless control has the advantage that neither encoder or speedsensor on the rotorshaft is needed. This book presents sensorless control adopted on the induction machine by a fairly unique kind of rotorflux estimator based on the so-called voltage model (VM). The VM estimates frequency and is developed from a vector controlled scheme of the machine model, here with one of the two channels open controlled. Then the VM and machine dynamics together defines a complete model for further control theoretical analysis and design. The analysis mainly considers instability problems and parameter variations, here especially focused on the 0 Hz crossover problem. The open controlled channel then gives an important mean for stabilizing design and parameteridentification. By nonlinear and linear analysis an optimized solution is achieved for the 0 Hz crossover problem, completed with Kalmanfiltering design for parameteridentification in the nominal speed range.
Sprache | englisch |
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Maße | 149 x 223 mm |
Gewicht | 271 g |
Themenwelt | Technik ► Elektrotechnik / Energietechnik |
ISBN-10 | 3-8443-2133-0 / 3844321330 |
ISBN-13 | 978-3-8443-2133-3 / 9783844321333 |
Zustand | Neuware |
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