(McGraw-Hill) (Instructors Manual) Electric Machinery Fundamentals 4th Edition Episode 2 Part 6 ppt

... holding the infinite bus is 460 -V. 29 8 ()() () ()() δδ 2 sin 40.0 62 . 0 40.0 62 . 0 2 7 62 1 3 sin 62 . 0 98907 62 1 3 2         − +=P MW2 sin 3.77 sin 7. 364 δ δ +=P A plot of power ... X XX A d dq dq =+ −         33 2 2 φφ δδ sin sin 2 ()() () ()() °         − +°5= 1 .22 1 sin 18. 025 .0 18. 025 .0 2 2773 .61 sin 25 .0 322 27...

Ngày tải lên: 05/08/2014, 20:22

... () 2 2 2 205,9 32 / 38,774 0. 321 / 0.7 02 Rs Rs = ++ () 2 22 0. 321 / 0.7 02 5.311 /Rs Rs ++= () 2 22 2 0.103 0 .6 42 / / 0.7 02 5.311 /Rs Rs Rs +++= 2 22 4 .66 9 0.7 02 0 RR ss ... ()() 2 TH 2 ind 22 sync TH 2 TH 2 3/ / VRs RRs X X τ ω = +++ ()( ) ()( )( ) 2 ind 22 3 26 2 V 0.1 72 /1.9 62 188.5 rad/s 0. 321 0.1 72 /1...

Ngày tải lên: 05/08/2014, 20:22

... ()() 22 22 / / M F M Rs jX jX Z R s jX jX + = ++ ()() 100 2. 40 60 2. 96 2. 46 10 02. 4 060 F jj Zj jj + ==+Ω ++ () () () 22 22 /2 /2 M B M R s jX jX Z R s jX jX = −+ + ()() 1 .28 2 2. 40 ... jX + = ++ ( ) ( ) 50 2. 40 60 28 .15 24 .87 50 2. 40 60 F jj Zj jj + ==+Ω ++ () () () 22 22 /2 /2 M B M R s jX jX Z R s jX jX = −+ + 27 2...

Ngày tải lên: 05/08/2014, 20:22

... speed of 1800 r/min, is given in tabular form below: E A , V 8.5 150 180 21 5 22 6 24 2 I F , A 0.00 0.80 1.00 1 .28 1.44 2. 88 (a) What is the speed of this motor when it is running at the rated ... Subfractional Horsepower Electric Motors. New York: McGraw- Hill, 1970. 4. Werninck, E. H. (ed.). Electric Motor Handbook. London: McGraw-Hill, 1978. cha6 523 9_ch10.qxd 11/14/03 12: 41...

Ngày tải lên: 05/08/2014, 20:22

... r/min 120 00 r/min 6 1000 r/min 120 0 r/min 8000 r/min 8 750 r/min 900 r/min 60 00 r/min 10 60 0 r/min 720 r/min 4800 r/min 12 500 r/min 60 0 r/min 4000 r/min 14 428 .6 r/min 514.3 r/min 3 429 r/min ... ()( ) 1 86 A 6. 667 124 0 V A VIZ φ == Ω= and the terminal voltage is () 3 3 124 0 V 21 48 V T VV φ == = (b) Armature current is 1 86 30 A A =∠−°I , and the phase v...

Ngày tải lên: 05/08/2014, 20:22

... sys 29 0 MW 34 62 . 21 34 62 . 21 34 62 . 21 34 61 .03ffff=−+−+−+− sys 8. 529 24 7 .66 4 f=− 139 hold off; When this program is executed, the plot of armature current versus flux is 5 -22 . A ... is shown below 350 400 450 500 550 60 0 65 0 700 20 0 21 0 22 0 23 0 24 0 25 0 26 0 E A (V) I A (A) Synchronous Motor V-Curve 6- 3. A 23 00-V 1000-hp 0.8-PF leading 60...

Ngày tải lên: 05/08/2014, 20:22

... () conv ind 11,780 W 1 06 N m 2 rad 1 min 10 62 r/min 1 r 60 s m P τ π ω == = ⋅ If A I = 76 A, then () ()( ) 24 0 V 76 A 0.09 0. 06 22 8 .6 V ATAA S EVIRR=− + = − Ω+ Ω= 22 6 % current. i_f ... − OUT 24 6. 4 kW 14.1 kW 10.15 kW 1. 12 kW 2. 46 kW 21 8 .6 kWP =−− −−= The motor’s efficiency at full load is OUT IN 21 8 .6 kW 100% 100% 88.7% 24 6....

Ngày tải lên: 05/08/2014, 20:22

... point where 24 4 ( ) ( ) ( ) ( ) 2 2 CU 60 A 0.15 23 0 V 1.35 A 851 W AA FF PIRVI=+= Ω+ = The power converted from electrical to mechanical form is ()() conv 22 1 V 60 A 13 , 26 0 W AA PEI== ... actual speed will be () 24 0 V 120 0 r/min 1 125 r/min 25 6 V A o Ao E nn E == = (b) At full load, 100 A 0.75 A 99 .25 A ALF III=−= − = , and ()() 24 0 V 99 .25 A 0.14...

Ngày tải lên: 05/08/2014, 20:22

... V 3 sin 3 sin 36. 87 46 .2 kvar 2. 5 V Q Z φ θ == °= Ω () () 2 2 2 253 .2 V 3 cos 3 cos -20 108.4 kW 1 .67 V P Z φ θ == °= Ω () () 2 2 2 253 .2 V 3 sin 3 sin -20 39.5 kvar 1 .67 V Q Z φ θ == ... ,load 27 7 0 V 25 3 .2 -7.3 41.3 52 V φφ ∆=−=∠°−∠°=∠°VV V (c) The real and reactive power of each load is () 2 2 1 25 3 .2 V 3 cos 3 cos 36. 87 61 .6 kW 2. 5 V...

Ngày tải lên: 05/08/2014, 20:22

... 24 9.74 0.733 25 5.08 0. 767 25 9 .2 0.8 26 3.74 0.833 26 7 .6 0. 867 27 0.8 0.9 27 3 .6 0.933 27 6. 14 0. 966 27 8 1 27 9.74 1.033 28 1.48 1. 067 28 2.94 1.1 28 4 .28 1.133 28 5.48 1. 167 ... 0 .23 3 104.4 0 . 26 7 118. 86 0.3 1 32. 86 0.333 1 46. 46 0. 367 159.78 0.4 1 72. 18 0.433 183.98 0. 467 195.04 0.5 20 5.18 0.533 21...

Ngày tải lên: 05/08/2014, 20:22