Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...

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Direct Torque Control with Space Vector Modulation 86
Direct Torque Control with Space Vector Modulation The torque step response is shown in Fig. 5.23, when parameters of PI torque controller designed for sampling time T s = 200µ s were used for control plant for different sampling times T s = 50µ s , 100µ s , 200µ s , 400µ s , which correspond to switching frequency f s = 20kHz, 10kHz, 5kHz, 2.5kHz. Figure 5.23. Torque tracking performance for different sampling time T s = 50µ s , 100µ s , 200µ s , 400µ s ( f s = 20kHz, 10kHz, 5kHz,2.5kHz) using parameters of PI controller designed for T s = 200µ s ( f s = 5kHz). (Please note that for 2.5kHz the system was unstable). After modification of PI torque controller parameters according to Table 2 it is possible to achieve better results as shown in Fig. 5.23, what confirms and proper torque tracking performance in steady and dynamics state. Figure 5.24. Torque tracking performance for different sampling time T s = 50µ s , 100µ s , 200µ s , 400µ s ( f s = 20kHz, 10kHz, 5kHz,2.5kHz) using designed parameters of PI controller calculated individually (see table 5.2) 87
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POLITECHNIKA WARSZAWSKA WARSAW UNIV
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Contents Table of Contents Chapter
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Introduction Chapter 1 INTRODUCTION
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Introduction to surface-mounted mac
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Introduction vector control, which
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Introduction presented and studied.
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Modeling and control modes of PM sy
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Page 39 and 40: Voltage source PWM inverter for PMS
Page 57 and 58: Control methods of PM Synchronous m
Page 69 and 70: Direct Torque Control with Space Ve
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Page 125 and 126: Sensorless Speed Direct Torque Cont
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DSP implementation of DTC-SVM contr
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Summary and closing conclusion Chap
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Appendices APPENDICES A1 Rotor and
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Appendices ⎡ ⎤ ⎢ 1 0 ⎥ ⎡K
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Appendices i(t1->t0)+=it1 it1: it1=
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Appendices A7 PWM technique - six s
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List of symbol List of symbols Symb
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References Books and PhD-Thesis 1.
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References 39. J.-I. Itoh, N. Nomur
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References 74. N. Ertugrul, P. Acar
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References 108. D. Świerczyński,
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Direct Torque Control with Space Vector Modulation (DTC-SVM) of ...

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