Electric Machines and Drives part 8 pdf

... the 140 Electric Machines and Drives 83 .5 83 .55 83 .6 83 .65 83 .7 83 .75 83 .8 83 .85 83 .9 83 .95 −20 −10 0 10 20 t(s) i rGa & i rGb (A) 83 .5 83 .55 83 .6 83 .65 83 .7 83 .75 83 .8 83 .85 83 .9 83 .95 −50 0 50 t(s) i rGa ... 193.76 193. 78 193 .8 193 .82 193 .84 193 .86 193 .88 193.9 193.92 193.94 2 4 6 (c) t(s) θ G & θ M (rad) 184 186 188 190 1...

Ngày tải lên: 21/06/2014, 01:20

... be obtained from orders@intechweb.org Electric Machines and Drives, Edited by Miroslav Chomat p. cm. ISBN 9 78- 953-307-5 48- 8 ELECTRIC MACHINES AND DRIVES Edited by Miroslav Chomat Contents VI Swarm ... 34-2 standard “Rotating electrical machines – Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests”. The standard first...

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... 77 2.0 84 .0 84 .0 85 .5 85 .5 84 84 86 .5 82 .5 3.0 84 .0 86 .5 86 .5 86 .5 85 .5 87 .5 87 .5 84 5.0 85 .5 87 .5 87 .5 87 .5 87 .5 87 .5 87 .5 85 .5 7.5 87 .5 88 .5 88 .5 88 .5 88 .5 89 .5 89 .5 85 .5 10.0 88 .5 89 .5 90.2 89 .5 ... Pole 1 77 85 .5 82 .5 77 85 .5 82 .5 1.5 84 86 .5 86 .5 84 86 .5 87 .5 2 85 .5 86 .5 87 .5 85 .5 86 .5 88 .5...

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... speeds Electric Machines and Drives 96 Verghese, G. C. & Sanders, S. R. (1 988 ). Observers for flux estimation in induction machines. IEEE Trans. Ind. Elec, Vol. 35, No. 1, Feb., pp. 85 -94. ... 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...

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... L mp i d sp − L mc i d sc )ω r 1 28 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 by (see (4) and (3) for in depth details): ⎧ ⎪ ⎪ ⎪ ⎪ ⎪ ⎨ ⎪ ⎪ ⎪ ⎪ ⎪ ⎩ ⎡ ⎢ ⎣ ˙  λ rG ˙ λ sMG ˙  λ rM ⎤ ⎥ ⎦ + ⎡ ⎣ aI 2 −n G ˙ θ G JbI 2 0 aI 2 −n G ˙ θ G JeI 2 −cI 2 + ... Conference of IEEE Industrial Electronics...

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... 2009. IECON ’09. 35th Annual Conference of IEEE, pp. 1003 –10 08. 160 Electric Machines and Drives Electric Machines and Drives 1 68 Are all possible operating conditions optimized varying the ... 3. Motor parameter identified in simulation. 154 Electric Machines and Drives Swarm Intelligence Based Controller for Electric Machines and Hybrid Electric Vehic...

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... Electric Machines and Drives 200 0 10 20 30 40 i DC [A] 0 0.005 0.01 0.015 0.02 540 550 560 570 580 v DC [V] time [s] Fig 3. DC-link voltage and current under symmetrical ... 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...

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... control and direct torque control (DTC) (Takahashi and Noguchi, 1 986 ) are analyzed. The main drawback of the two first strategies is that they use an encoder to obtain Electric Machines and Drives ... The torque as function of stator flux and currents is given by: Electric Machines and Drives 2 18 the speed signal. Since there is no need for speed and posi...

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... was set to 5 kHz. Fig. 8 shows the actual value of the motor speed. In Fig. 9 and Fig. 10, the torque Fig. 8. Motor speed (rpm). Electric Machines and Drives 2 48 7 V 4 V 6 V 3 V 5 V 2 V 116 VV 15 V 12 V 14 V 13 V 9 V 10 V 11 V 8 V axis β − axis α − axis γ − ... course with two Electric Machines and Drives 242 axis γ − 8 V 6 V 2 V 116 VV 14 V...

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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 1.17 1. 18 1.19 ... , 1 V Electric Machines and Drives 250 Case II Unbalanced reference system voltages with the presence of unbalanced harmonics 0 0.002 0.004 0. 006 0.0 08 0...

Ngày tải lên: 21/06/2014, 01:20