3 phase induction motor speed control circuits

... Design………………………………. 9 3. 1. The basic control format…………………………… 9 3. 2. The existing motor controller……………………… 10 3. 3. Current sensing module……………………………… 11 3. 4. The speed sensor…………………………………… ... designed to control a brush-less DC motor. However, by constructing a feedback loop that can detect the outputs of an induction motor, we can use this motor controller to control an induction ... compatible voltage supply for the motor controller that will be used for this thesis. ã Induction motor. Three -phase, 0.5kW, 4-pole machine. This induction motor is only used for the prototype...

Ngày tải lên: 27/10/2013, 23:15

Ngày tải lên: 18/12/2013, 22:06

... ++ = ++ F H G I K J ++ F H G I K J = ì +ì+ì = ì ++ bgb g b gb b g b g 2 2 5 23 4 5 6 836 3 10 6 33 34 10 2 6 036 10 6 836 3 10 4 11 632 9 3 g A block diagram for this open-loop system is shown below: ... 6 .3 Frequency-Response Experiments 6.4 Time-Response Experiments Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 23 2. Physical System A DC motor ... root-locus domain. Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 24 Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System 1. Introduction This...

Ngày tải lên: 25/01/2014, 13:20

... current 112 233 4455661 234 45566112 23 3566112 233 445 4166554 433 221 532 21166554 43 654 433 2211665 7114444441111 8111111444444 9444411111144 10225555552222 11222222555555 12555522222255 133 366666 633 33 1 433 333 3666666 15666 633 333 366 16441111114444 17444444111111 18111144444411 19552222225555 20555555222222 21222255555522 226 633 333 36666 236 6666 633 333 3 2 433 336 6666 633 25000000000000 26000000000000 27000000000000 1 23 4 56 60° Mode v a 120° 180° 240° 30 0° 36 0° v b v c v ac v ca v ab v ba v bc v cb v o Figure ... [6] 1112 233 445566 25566112 233 44 33 34455661122 466554 433 2211 5221166554 433 64 433 22116655 766 633 333 3666 8222555555222 9444111111444 106666 633 333 36 11222225555552 12444441111114 133 66666 633 333 14522222255555 15144444411111 1 633 366666 633 3 17555222222555 18111444444111 1 933 333 66666 63 20555552222225 21111114444441 22 633 333 366666 232 55555522222 24411111144444 25000000000000 26000000000000 27000000000000 60° 120° 180° ... [6] 1112 233 445566 25566112 233 44 33 34455661122 466554 433 2211 5221166554 433 64 433 22116655 766 633 333 3666 8222555555222 9444111111444 106666 633 333 36 11222225555552 12444441111114 133 66666 633 333 14522222255555 15144444411111 1 633 366666 633 3 17555222222555 18111444444111 1 933 333 66666 63 20555552222225 21111114444441 22 633 333 366666 232 55555522222 24411111144444 25000000000000 26000000000000 27000000000000 60° 120° 180°...

Ngày tải lên: 13/05/2014, 00:55

Ngày tải lên: 03/07/2014, 07:20

Ngày tải lên: 15/10/2013, 16:10

Ngày tải lên: 21/11/2013, 13:45

... Thêm R add nối tiếp cuộn dây phần ứng Example 1: Example 2: Example 3: nh lut Bio-Savart: nh lut Faraday: ( ) BlIeF r r r ì= () l.Bve r r r ì= ...

Ngày tải lên: 17/12/2013, 14:15

Ngày tải lên: 17/12/2013, 18:06

... network based space vector PWM controller for voltage-fed inverter induction motor drive,” IEEE Trans. Ind. Applicat., vol. 36 , pp. 1628–1 636 , Nov./Dec. 2000. [3] J. O. P. Pinto, B. K. Bose, ... flux oriented vector-controlledinduction motor drive with space vector PWM and flux vector synthesis by neural networks,” IEEE Trans. Ind. Applicat., vol. 37 , pp. 130 8– 131 8, Sept./Oct. 2001. [4] ... TRANSACTIONS ON INDUSTRY APPLICATIONS, VOL. 38 , NO. 3, MAY/JUNE 2002 A Neural-Network-Based Space-Vector PWM Controller for a Three-Level Voltage-Fed Inverter Induction Motor Drive Subrata K. Mondal, Member,...

Ngày tải lên: 22/12/2013, 08:16

Ngày tải lên: 28/12/2013, 22:07

... Characteristic waveforms in case of phase control. (a) Phase angle  =126 . (b) Phase angle  =54 . In the state of static equilibrium , the above equation becomes ( 23) From the electrical equation ... inductive sensor, which has NCDT3700- type for displacement range 0–6mm and for frequency range 0–10 kHz. A. Phase Control A principal block diagram for implemented phase control is shown in Fig. 17. ... with electromagnetic drive and power converter control circuits for its optimal control DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR TWO-MASS VCS 459 Fig. 11. Amplitude...

Ngày tải lên: 03/01/2014, 19:16

... 32 0 1,11 250 620 37 0 1 ,36 30 0 720 420 1,62 2486.12. 030 00. 125 30 00 38 00 39 0 265 25,5 50 120,2 56,6 080 1,15 160 460 30 0 1, 43 200 540 34 0 1,74 250 39 00 640 39 0 2,14 30 0 740 440 2, 53 2486.12.05000. ... 36 0 235 21 25 075,2 28 ,3 040 0,44 160 430 270 0,55 200 510 31 0 0,67 250 610 36 0 0, 83 300 710 410 0,98 2486.12.01500. 125 1500 1900 37 0 245 24 36 095,2 42,4 060 0, 73 160 440 280 0,91 200 520 32 0 ... 2, 53 2486.12.05000. 125 5000 6400 405 280 27,5 65 150,2 70,7 100 1,90 160 6500 475 31 5 2 ,33 200 6600 555 35 5 2,82 250 6600 655 405 3, 43 300 6600 755 455 4,05 Dimensions for SPC Gas Spring 2486.12. Technical...

Ngày tải lên: 22/01/2014, 02:20

... Start Split -Phase PSC Shaded-Pole AN887 DS00887A-page 4  20 03 Microchip Technology Inc. Split -Phase AC Induction Motor The split -phase motor is also known as an induction start /induction run motor. ... windings. They are: ã Single -phase induction motor ã Three -phase induction motor Single -Phase Induction Motor There are probably more single -phase AC induction motors in use today than the total of ... http://www.microchip.com Atlanta 37 80 Mansell Road, Suite 130 Alpharetta, GA 30 022 Tel: 770-640-0 034 Fax: 770-640- 030 7 Boston 2 Lan Drive, Suite 120 Westford, MA 01886 Tel: 978-692 -38 48 Fax: 978-692 -38 21 Chicago 33 3 Pierce...

Ngày tải lên: 25/01/2014, 13:20

... SINGLE -PHASE INDUCTION MACHINES 36 7 Figure 9.8-5. Free-acceleration characteristics of a capacitor-start single -phase induction motor. Figure 9.8-4. Average steady-state torque versus speed ... two- phase induction machine to be out of phase. To accomplish this the impedances of the stator windings are made unequal. For example, the split -phase machine is a two -phase induction motor ... abcr e r abcr e r0 αβ ωω ωω cos( ) sin( ) (9.6 -3) SINGLE -PHASE INDUCTION MACHINES 35 9 out of phase when the phases are connected to the same single -phase source. This provides a starting torque,...

Ngày tải lên: 16/02/2014, 18:48

... and that P P T out r e = 2 ω ( 13. 3-16) ( 13. 3-15) may be expressed as P P r I P T in out s s e s − = +3 2 2 ω ( 13. 3-17) Substitution of ( 13. 3-2) into ( 13. 3-17) yields an expression for the ... of a constant slip control drive is depicted in Figure 13. 3-2, wherein ω s,set is determined using ( 13. 3-12), and Figure 13. 3 -3, wherein ω s,set is determined using ( 13. 3- 13) . In these studies, ... control, a speed control is necessary for speed regulation. For the study shown in Figure 13. 3-4, the torque command is calcu- lated in accordance with the speed control shown in Figure 13. 3-5....

Ngày tải lên: 16/02/2014, 18:54

... bus T/Y C2 C3 C3 TR On Trip X3 :3 X3:4 X3:9 X3:10 X3: 13 X3:14 X3:16X3:15 X3:12X3:11 X3:6 X3:8 X3:5 X3:7 4F8 4F10 4F12 4F 13 4F11 4F9 Figure 2.7 Typical electrical drawing of control circuit for a three -phase motor ... (JB2) TB1-C12-1-JB2-1 TB1-C12 -3- JB2 -3 Cross referencing using ferrule on wires JB2-C12 -3- TB1 -3 0001 0002 00 03 Core 2 Core 2 Core 1 Core 3 Core 3 1 22 2 3 4 33 44 5 6 7 8 0000-TB1-1 00 03- TB1-4 Figure 2. 13 Cross-reference ... 4F14 4F3 Control bus O/L Auto 4F21 4F5 Manual 839 840 4F6 4F7 4F8 4F9 4F0 4F2 4F7 4F8 4F8 4F9 X3.1 X3.2 Stop Start C1 C3 C3 C2 C2 C1 C1 C1 4F10 4F12 4F 13 4F11 T/D N/L Control bus T/Y C2 C3 C3 TR On Trip X3 :3 X3:4 X3:9...

Ngày tải lên: 07/03/2014, 08:20

... 6,57 7,75 6, 73 5,56 - Experiment * 6,0 12 ,3 19,2 29,0 33 ,0 Analysis 6,5 13, 4 21,0 31 ,6 - 20%TiO 2 + 20%W800 + 60% AKAVINA polyester (sample type B) Error % 8 ,33 8,94 9 ,30 8,96 - Note: ... )            =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ =+       ∂∂ ∂ + + ∂ ∂ + ∂ ∂ − ∂∂ ∂ ++ ∂ ∂ −= ∂ ∂ + ∂ ∂ 0 12 2 0 12 2 2 2 55 1 2 2 44 2 2 44 1 32 3 ,1 3 3 2 2 44 1 2 2 55 2 2 55 1 32 3 ,1 3 3 2 ψ ψψψ ϕ ϕϕϕ ψϕ I yxA DD xA D yA D I hyx w DD y w D I yxA DD yA D xA D I hyx w DD x w D hI z yx xyxyy yxy xyxyy yxx (3) ... bending deflection 3- phase composite Concentrate force Deflection (mm) 1kN 3kN 6kN 10kN Ultimate deflection Experiment * 7,6 14,2 20,8 32 ,4 34 ,3 Analysis 8,1 15 ,3 22,2 34 ,2 - 10%TiO 2 ...

Ngày tải lên: 14/03/2014, 13:20

Ngày tải lên: 16/03/2014, 12:20