Electric Machines and Drives part 8 pdf

... the140 Electric Machines and Drives 83 .5 83 .55 83 .6 83 .65 83 .7 83 .75 83 .8 83 .85 83 .9 83 .95−20−1001020t(s)irGa & irGb(A) 83 .5 83 .55 83 .6 83 .65 83 .7 83 .75 83 .8 83 .85 83 .9 83 .95−50050t(s)irGa ... 193.76 193. 78 193 .8 193 .82 193 .84 193 .86 193 .88 193.9 193.92 193.94246(c) t(s)θG & θM (rad) 184 186 188 190 192 194 196 1 98 200 202 20400.20.4(d) t(s)τG(N.m) 184 186 188 190 192 ... desired torque. 83 .5 83 .55 83 .6 83 .65 83 .7−10−50510t(s)isGa & isGb(A) 83 .5 83 .55 83 .6 83 .65 83 .7−10−50510t(s)isGa & idsGa(A) 83 .5 83 .55 83 .6 83 .65 83 .7−10−50510t(s)isGb...

Electric Machines and Drives Part 1 pot

... 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 ChomatContentsVISwarm ... 34-2 standard “Rotating electrical machines – Part 2: Methods for determining losses and efficiency of rotating electrical machinery from tests”. The standard first introduced in 1972 and updated ... 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. Electric drives play a vital part...

Electric Machines and Drives Part 2 docx

... 772.0 84 .0 84 .0 85 .5 85 .5 84 84 86 .5 82 .53.0 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 .57.5 87 .5 88 .5 88 .5 88 .5 88 .5 89 .5 89 .5 85 .510.0 88 .5 89 .5 90.2 89 .5 ... Pole1 77 85 .5 82 .5 77 85 .5 82 .51.5 84 86 .5 86 .5 84 86 .5 87 .52 85 .5 86 .5 87 .5 85 .5 86 .5 88 .53 85 .5 89 .5 88 .5 86 .5 89 .5 89 .55 86 .5 89 .5 89 .5 88 .5 89 .5 89 .57.5 88 .5 91 90.2 89 .5 91.7 9110 89 .5 ... 75.5 82 .5 80 .01.1 1.5 79.6 81 .4 78. 1 1.1 1.5 82 .5 84 .0 85 .51.5 2 81 .3 82 .8 79 .8 1.5 2 84 .0 84 .0 86 .52.2 3 83 .2 84 .3 81 .8 2.2 3 85 .5 87 .5 87 .53 4 84 .6 85 .5 83 .3 3.7 5 87 .5 87 .5 87 .54 5.5 85 .8...

Electric Machines and Drives part 6 ppt

... 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.eω=ω−ωre f), a proportional integral compensation is proposed, as follows100 Electric Machines and Drives Electric Machines and Drives 90 ... jNωLmis+ Lrddtir+ Lmddtis(26)102 Electric Machines and Drives where Rs, Rr, Ls and Lrare the stator/rotor resistances and inductances, Lmis the magnetizinginductance,...

Electric Machines and Drives part 7 ppt

... Lmpidsp− Lmcidsc)ωr1 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):⎧⎪⎪⎪⎪⎪⎨⎪⎪⎪⎪⎪⎩⎡⎢⎣˙λrG˙λsMG˙λrM⎤⎥⎦+⎡⎣aI2−nG˙θGJbI20aI2−nG˙θGJeI2−cI2+ ... Conference of IEEE Industrial Electronics,IECON’09., pp. 1003 –10 08. 112 Electric Machines and Drives • Consequence of (27) and ( 28) :Replace (29) in (27):τM= fλTrMcdI2−αJJλrM= ... port representation of the DFIG interconnected to the IM is presented inFig.41 18 Electric Machines and Drives Fig. 8. Equivalent Circuits of d-q BDFTIGThe ﬂux linkage current relations are:Ψqsp=...

Electric Machines and Drives part 9 potx

... 2009. IECON ’09. 35th AnnualConference of IEEE, pp. 1003 –10 08. 160 Electric Machines and Drives Electric Machines and Drives 1 68 Areall possible operatingconditions optimizedvarying the ... 3. Motor parameter identiﬁed in simulation.154 Electric Machines and Drives Swarm Intelligence Based Controller for Electric Machines and Hybrid Electric Vehicles Applications 163 rMLlMLmqLlr+-(1/k)ωrλdr+-VqsrriqsiqrRqf ... 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...

Electric Machines and Drives part 11 docx

... Electric Machines and Drives 200 010203040iDC [A]0 0.005 0.01 0.015 0.02540550560570 580 vDC [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 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 control strategy based...

Electric Machines and Drives part 12 pot

... 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 position signals, a DTC scheme appears ... 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 synthesized by a PWM technique (Jabbar...

Electric Machines and Drives part 13 potx

... was set to 5kHz. 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 7V4V6V3V5V2V116VV15V12V14V13V9V10V11V 8 Vaxisβ−axisα−axisγ− ... course with two Electric Machines and Drives 242 axisγ− 8 V6V2V116VV14V9Vaxisβ−axisβ− axisγ− 8 V6V2V116VV14V9Vaxisβ−axisβ− axisγ− 8 V6V2V116VV14V9Vaxisβ−axisβ− ... 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...

Electric Machines and Drives Part 14 doc

... 22t12t04t 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 1.2-40-30-20-10010203040ILbTime (s)1.1 1.11 1.12 1.13 1.14 1.15 1.16 1.17 1. 18 1.19 ... ,1V 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 0.01 0.012 0.014 0.016 0.0 18 0.02-500-400-300-200-1000100200300400500Time ... 1. 18 1.19 1.2-30-20-100102030IafTime (s) Fig. 21. Presentation of the instantaneous currents of Load, reference, active power filter and source of phase ‘a’ Electric Machines and Drives...

Xem thêm