Electric Machines and Drives part 12 pot

... control and direct torque control (DTC) (Takahashi and Noguchi, 1986) are analyzed. The main drawback of the two first strategies is that they use an encoder to obtain Electric Machines and Drives ... Correa et al. (2004). The transformation matrix and its application can be written as Electric Machines and Drives 226 voltage vector and then will be synthesiz...

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... be obtained from orders@intechweb.org Electric Machines and Drives, Edited by Miroslav Chomat p. cm. ISBN 978-953-307-548-8 ELECTRIC MACHINES AND DRIVES Edited by Miroslav Chomat Contents VI Swarm ... rotating electric machine. Electric drives have quickly become an integral part of our everyday lives and we can hardly imagine our civiliza- tion without them. Ele...

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... population of random solutions. Each potential solution, called a particle. Each particle is given a random velocity and is flown through the problem space. The particles have memory and each particle ... 2009. IECON ’09. 35th Annual Conference of IEEE, pp. 1003 –1008. 160 Electric Machines and Drives Electric Machines and Drives 168 Are all possible operating condit...

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... and Drives 230 Fig. 9. Commanded and estimated torque (Nm). Fig. 10. Commanded and estimated flux Fig. 11. Stator currents in stator flux reference frame. Electric Machines ... CI II α β γ ⎡⎤ ⎡ ⎤ ⎢⎥ ⎢ ⎥ ==⋅ ⎢⎥ ⎢ ⎥ ⎢⎥ ⎢ ⎥ ⎣ ⎦ ⎣⎦ (12) C represents the matrix transformation: 1121 2 2 032 32 3 12 12 12 C −− ⎡ ⎤ ⎢ ⎥ =⋅ − ⎢ ⎥ ⎢ ⎥ ⎣ ⎦ (13) When the refer...

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... Standard CAN/CSA- Electric Machines and Drives 14 Fig. 7. Stator Premium motors Fig. 8. Rotor Premium motors Electric Machines and Drives 16 Fig. 11. Drive impact Fig. 12. Drive impact ... incentives and voluntary measures for the energy efficiency of electric motors is not sufficient, as it is prerequisite to implement mandatory measures for Electr...

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... estimated speed and reference speed, (i.e. e ω =  ω −ω re f ), a proportional integral compensation is proposed, as follows 100 Electric Machines and Drives Electric Machines and Drives 90 ... jNωL m i s + L r d dt i r + L m d dt i s (26) 102 Electric Machines and Drives where R s , R r , L s and L r are the stator/rotor resistances and inductances, L m is th...

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... desired torque, and will be taken as a simple PI controller. The reader is referred to (1) for motivation and additional details on this control configuration. 122 Electric Machines and Drives 0 10 ... L mp i d sp − L mc i d sc )ω r 128 Electric Machines and Drives where σ is an arbitrary angle. The model of the DFIG-IM in the stator frame of the two machines is given b...

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... voltages v rGa and v rGb , the IM rotor speed ω mM and its estimation ˆ ω mM , the estimated IM load torque ˆ τ ML , and the estimated IM speed, given by 132 Electric Machines and Drives 52.6 52.65 ... 2002. [13] A. J. van der Schaft, “L 2 –Gain and Passivity Techniques in Nonlinear Control,” Springer–Verlag, Berlin, 1999. 144 Electric Machines and Drives equation ¯ σ...

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... Electric Machines and Hybrid Electric Vehicles Applications 191 (a) The power sharing between FC and SC on NEDC driving cycle (b) The power sharing between FC and ... optimization (PSO) used to achieve the best performance for the electric machines and electric drives. In addition, by analyzing and comparing the results, it is shown that...

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... 2 2 t 1 2 t 0 4 t Electric Machines and Drives 256 1.1 1.11 1 .12 1.13 1.14 1.15 1.16 1.17 1.18 1.19 1.2 -40 -30 -20 -10 0 10 20 30 40 ILb Time (s) 1.1 1.11 1 .12 1.13 1.14 1.15 1.16 ... ‘a’ Electric Machines and Drives 260 [36] M. Aredes, J. Hafner, and K. Heumann, “Three-phase four-wire shunt active filter control strategies,” IEEE Trans. Power Electron....

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