Electric Machines and Drives Part 1 pot

... 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 19 72 and updated ... awaited for December 2 010 . So, 1 –200 HP general purpose motors already covered by EPAct will change from NEMA MG -1, Table 12 -11 Energy Efficient (Annex 1) to Table 12 -12 NEMA Premium efficiencies ... 233Kouzou A, Mahmoudi M.O and Boucherit M.SChapter 9Chapter 10 Chapter 11 Chapter 12 Premium Efficiency Motors 7 law applies only to motors manufactured after December 19 , 2 010 and motors in inventory...

Electric Machines and Drives part 9 potx

... Electronics, 2009. IECON ’09. 35th AnnualConference of IEEE, pp. 10 03 10 08. 16 0 Electric Machines and Drives Electric Machines and Drives 16 8 Areall possible operatingconditions optimizedvarying ... currents.Figures 11 and 12 shows the transient currents from axis q and d, respectively, while Figures 13 and 14 shows the steady-state currents from axis q and d, respectively.From Figures 11 -14 , it ... h0i=RriLri, a1i= pi and a0i=RsiRri¯σi, (23) 15 1A RMRAC Parameter Identification Algorithm Applied to Induction Machines RsqRrqLmqLsq6. 910 5Ω 15 . 418 1Ω 0 .18 21H 0.2593HRsdRrdLmdLsd20.9438Ω...

Electric Machines and Drives part 12 pot

... 0V 0 0 0 0 0 1 V 1 0 0 E 0 2V 1 1 0 E E 3V 0 1 0 0 E 4V0 1 1 -E 0 5V 0 0 1 -E -E 6V 1 0 1 0 -E 7V 1 1 1 0 0 Table 1. Switching states and the adjacent vectors amplitude. ... form: 11 1 1 111 1 0 01 010 aaa aDs Ds Ds Dssaaaa asQs Qs Qs Qsvirdrdtviλλωλλ⎡⎤⎡⎤⎡⎤ ⎡⎤−⎡⎤ ⎡ ⎤⎢⎥⎢⎥⎢⎥ ⎢⎥=++⎢⎥ ⎢ ⎥⎢⎥⎢⎥⎢⎥ ⎢⎥⎣⎦ ⎣ ⎦⎣⎦⎣⎦⎣⎦ ⎣⎦ (34) 00 01 .(). 010 0aa ... supply (L = 1 mH, R = 0 .1 Ω, Vdc = 400 V). Electric Machines and Drives 222 10 0Sn⎡⎤=⎢⎥⎣⎦ (22) 1 1ssds dsssqs qsvvSvv⎡⎤⎡⎤⎢⎥⎢⎥=⎢⎥⎢⎥⎣⎦⎣⎦ (23) 1 1 1 ssds...

Electric Machines and Drives part 13 potx

... 8V 11 107V 11 005V 10 00≥ ≥ ≥ 3T 3V 010 07V 11 00 15 V 11 01 ≥ ≥ ≺ 4T 15 V 11 01 11 V 010 13V 010 0≺ ≥ ≺ 15 T 9V00 01 11 V 010 1 15 V 11 01 ≺ ≺ ≺ 2P 16 T 8V 11 107V 11 003V ... 2V0 010 4V 011 0 12 V 011 1≺ ≥ ≥ 8T 12 V 011 1 10 V0 011 2V 0 010 ≺ ≺ ≥ 19 T 9V00 01 10V0 011 12 V 011 1≺ ≺ ≺ 4P 20T 8V 11 104V 011 02V 0 010 ≥ ≥ ≥ 9T 14 V 10 11 10V0 011 2V ... 8V 11 107V 11 003V 010 0≥ ≥ ≥ 5T 12 V 011 1 11 V 010 13V 010 0≺ ≥ ≺ 6T 3V 010 04V 011 0 12 V 011 1≺ ≥ ≥ 17 T 9V00 01 11 V 010 1 12 V 011 1≺ ≺ ≺ 3P 18 T 8V 11 104V 011 03V 010 0≥ ≥...

Electric Machines and Drives Part 2 docx

... 88.5 91 90.2 89.5 91. 7 91 10 89.5 91. 7 91. 7 90.2 91. 7 91 15 90.2 93 91. 7 91 92.4 91. 720 91 93 92.4 91 93 91. 725 91. 7 93.6 93 91. 7 93.6 9330 91. 7 94 .1 93.6 91. 7 93.6 9340 92.4 94 .1 94 .1 92.4 ... 94 .1 110 15 0 93.0 93.0 92.9 11 0 15 0 94 .1 94.5 94 .1 132 17 5 93.3 93.3 93.3 15 0 200 94 .1 94.5 94 .1 160 215 93.5 93.5 93.5 18 5 250 94 .1 94.5 94 .1 200 270 93.8 93.8 93.8 200 270 94 .1 94.5 94 .1 260 ... 7.5 10 89.5 89.5 89.57.5 10 88 .1 88.7 87.2 11 15 90.2 91. 0 90.2 11 15 89.4 898.0 88.7 15 20 90.2 91. 0 90.2 15 20 90.3 90.6 89.7 18 .5 25 91. 0 92.4 91. 7 18 .5 25 90.9 91. 2 90.4 22 30 91. 0 92.4 91. 722...

Electric Machines and Drives part 6 ppt

... (Krause, 19 86) and (Leonhard, 19 96)according to the ﬁfth-order model, asddtIqs= −a 12 Iqs−ωsIds+ a 13 a 11 λqr− a 13 Nωλdr+ a 14 Vqs (1) ddtIds= −a 12 Ids+ ωsIqs+ a 13 a 11 λdr+ ... flux and speed estimation algorithm is axis−eG*rΨGraxis−ψGζζ 1 1*rsτ+ΨG(){} 1 rmL/Lsττ+eG 1 1*rsτ+ΨGrˆψGsiZ*rΨˆrψ 12 A 1 1sτ+++ 1 sττ+ 14 A++Sensorless ... controllerFrom (1) and (2), the currents controller is obtained, asuqs= 1 a 14 a 12 i∗qs+ ωsi∗ds+ a 13 λ∗rNωre f+ eω+ddtIqs (17 ) and uds= 1 a 14 a 12 i∗ds+ ωsi∗qs+...

Electric Machines and Drives part 7 ppt

... L2mG]I2⎤⎦(9) 1 Δ⎡⎢⎣L 11 L 12 L 13 LT 12 L22L23LT 11 LT23L33⎤⎥⎦ (10 )whereΔ= LrG[LrM(LsG+ LsM) − L2mM] − LrML2mG< 0 (11 )We recall that, ... R 1 BPL 1 (θ)= 1 R 1 Δ⎡⎣LT 12 L22L23000000⎤⎦(42)Q is positive semi-deﬁnite if:XTQX ≥ 0 X ∈6 1 XTQX = 1 R 1 ΔXT⎡⎣LT 12 L22L23000000⎤⎦X (43)= 1 R 1 ΔXT⎡⎢⎣LT 12 1 2L22 1 2L23 1 2LT2200 1 2LT2300⎤⎥⎦ ... controller is proven. 12 4 Electric Machines and Drives 0 10 20 30 40 50 60 7000.5 1 1.522.5Current Id(A)Time(s)(a) IM Stator Current Ids0 10 20 30 40 50 60 70 1 0 1 23Current Iq(A)Time(s)(b)...

Electric Machines and Drives part 8 pdf

... 204500 10 00 15 00(a) t(s)ωmMref & ωmM(rpm) 18 4 18 6 18 8 19 0 19 2 19 4 19 6 19 8 200 202 204 10 0020003000(b) t(s)ωmG(rpm) 19 3.74 19 3.76 19 3.78 19 3.8 19 3.82 19 3.84 19 3.86 19 3.88 19 3.9 19 3.92 19 3.94246(c) ... idsb, isb. 19 3.74 19 3.76 19 3.78 19 3.8 19 3.82 19 3.84 19 3.86 19 3.88 19 3.9 19 3.92 19 3.94 15 10 −505 10 15 (a) t(s)irGa & irGb(A) 19 3.75 19 3.8 19 3.85 19 3.9 19 3.95 19 4 19 4.05−50050(b) ... generator, the IM and the grid 14 2 Electric Machines and Drives 2 41. 35 2 41. 4 2 41. 45 2 41. 5 2 41. 55 10 −505 10 t(s)isGa & isGb(A)2 41. 35 2 41. 4 2 41. 45 2 41. 5 2 41. 55 10 −505 10 t(s)isGa...

Electric Machines and Drives part 11 docx

... with compensation. Electric Machines and Drives 204 0 10 203040iDC [A]0 0.005 0. 01 0. 015 0.02540550560570580vDC [V]time [s] Fig. 15 . DC-link voltage and current under unbalanced ... voltage and current under unbalanced voltage supply without compensation. Electric Machines and Drives 19 6 (Stankovic & Lipo, 20 01; Lee et al., 2006; Cross et al., 19 99; Song & Nam, 19 99). ... power at all times: Electric Machines and Drives 206 0 10 203040iDC [A]0 0.005 0. 01 0. 015 0.02540550560570580vDC [V]time [s] Fig. 21. DC-link voltage and current under unbalanced...

Electric Machines and Drives Part 14 doc

... 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2-50050ILaTime (s) 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2-30-20 -10 0 10 2030IarefTime (s) 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 ... 1. 2 -15 -10 -505 10 15 IfrefTime (s) 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2 -1. 5 -1 -0.500.5 1 1.5x 10 -14 IsnTime (s) 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2 -15 -10 -505 10 15 IffTime ... filter and source of phase ‘c’ 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2 -15 -10 -505 10 15 ILnTime (s) 1. 1 1. 11 1 .12 1. 13 1. 14 1. 15 1. 16 1. 17 1. 18 1. 19 1. 2 -15 -10 -505 10 15 IfrefTime...

Xem thêm