single phase ac motor speed control circuit diagram
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... detect the outputs of an induction motor, we can use this motor controller to control an induction machine. ã TMS320F243 DSP controller. This is manufactured by the Texas Instruments Company ... nominal speed. However, outside the rated speed operation, the flux has to be decreased like an inverse function of speed. By weakening the rotor flux, the induction machine can reach speeds ... to develop a control strategy for the DSP controller that controls the torque production within the induction machine. However, there is no great emphasis placed on precise torque control. ...
Ngày tải lên: 27/10/2013, 23:15
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... A schematic diagram of a DC motor is shown in Figure 6. Figure 6. Schematic Diagram of a DC Motor Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System ... Tachometer Closed-Loop Speed Control System 11 The DC motor/ tachometer system has a single input and a single output. The input is the voltage applied across the two motor terminals. The output ... 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
bài giảng-vhdl - Very High speed integrated circuit Description Language
Ngày tải lên: 12/09/2013, 22:38
Single phase uninterruptible power supply based on z source inverter
... the capacitor volt- age of the Z-source inverter drops significantly as well; thus, the voltage difference between the reference u ∗ C and the actual capacitor voltage u C is sent to the PI controller ... 2007. [7] P. K. Jain, J. R. Espinoza, and H. Jin, “Performance of a single- stage UPS system for single- phase trapezoidal-shaped AC- voltage supplies,” IEEE Trans. Power Electron., vol. 13, no. 5, ... D. Lorenz, Control topology options for single- phase UPS inverters,” IEEE Trans. Ind. Appl., vol. 33, no. 2, pp. 493–501, Mar./Apr. 1997. [16] P. Mattavelli, “An improved deadbeat control for...
Ngày tải lên: 03/01/2014, 19:12
Tài liệu Speed Control SPC GAS SPRINGS, cushioned pptx
... . 1 Speed Control TM ô SPC Gas Springs, cushioned 2486.12. FIBRO SPC Gas Springs Speed Control TM ô are designed to reduce or eliminate the sheet metal retainer bounce back which is ... caused by the increased return travel speed in high speed presses (link drive presses). SPC Gas Springs feature an integral return travel delay which reduces the speed of the gas spring to 0.4 m/s ... a soft arrival for the sheet metal retainer. Benefits of the Speed Control TM ô SPC Gas Springs, cushioned: Prevents bounce back of sheet metal retainer. Increased productivity through...
Ngày tải lên: 22/01/2014, 02:20
Chapter 9 unbalanced operation and single phase induction machines
... SINGLE- PHASE INDUCTION MACHINES 367 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 ... rated speed. This is referred to as a capacitor-start capacitor-run machine. Although we may have made it appear that the split -phase machine is the type of two -phase machine that is used in single- phase ... AND SINGLE- PHASE INDUCTION MACHINES Figure 9.8-3. Steady-state torque versus speed characteristics with a capacitor in series with one winding of the two -phase induction machine. series capacitor...
Ngày tải lên: 16/02/2014, 18:48
Chapter 14 permanent magnet AC motor drives
... or nonsinusoidal back emf waveforms. Machines with sinusoidal back emfs may be controlled so as to achieve nearly con- stant torque; however, machines with a nonsinusoidal back emf may be less ... nominal operating speed of 200 rad/s (mechanical). 542 PERMANENT-MAGNET AC MOTOR DRIVES The structure of the control algorithms determines the type of permanent-magnet ac motor drive, of which ... structure of the controls Figure 14.1-1. Permanent-magnet ac motor drive. Electrical System Command Signal Power Converter Control PM AM Mechanical System Sensors 566 PERMANENT-MAGNET AC MOTOR DRIVES ...
Ngày tải lên: 16/02/2014, 18:54
HOBBYKING BRUSHLESS ELECTRONIC SPEED CONTROL FOR CAR OR TRUCK potx
Ngày tải lên: 16/03/2014, 12:20
Single phase fully controlled rectifier
... a single phase fully controlled converter the _________ of an uncontrolled converters are replaced by ____________. ii) In a fully controlled converter the load voltage is controlled by controlling ... voltage harmonic in a single phase fully controlled bridge converter is _________ the input supply frequency. v) The input displacement factor of a single phase fully controlled bridge converter ... IIT, Kharagpur 23 10.2 Single phase fully controlled halfwave rectifier 10.2.1 Resistive load Fig.10. 1(a) shows the circuit diagram of a single phase fully controlled halfwave rectifier...
Ngày tải lên: 14/05/2014, 22:32
Single phase uncontrolled rectifier
... in the rectifier circuit. ã Reaction of the rectifier circuit upon the ac network, reactive power requirement, power factor, harmonics etc. ã Rectifier control aspects (for controlled rectifiers ... Displacement factor = Distortion factor = Power factor = 1.0 Version 2 EE IIT, Kharagpur 34 Version 2 EE IIT, Kharagpur 26 Fig 9.6 shows the circuit diagram and waveforms of a single phase ... resistive, inductive and capacitive loads will be discussed. Version 2 EE IIT, Kharagpur 8 Fig 9.2 shows the circuit diagram and the waveforms of a single phase uncontrolled half wave rectifier....
Ngày tải lên: 14/05/2014, 22:33
FPGA BASED SVPWM CONTROLLER FOR THREE PHASE AC AC MATRIX CONVERTER
... [4] Lászó Huber and Dusan Borojevic, “Space vector modulated three -phase to three -phase matrix converter with input power factor correction” IEEE Transactions On Industrial Applications, Vol.31, ... Transactions on Power Electronics, Vol. 4, no. 1, pp.101-112, January 1989. [3] D. casadei - G.gandi – G.serra – A.Tani, “Space vector control of matrix converters with unity input power factor ... eliminates reactive elements,” Proceedings of Powercon 7, San Diego,CA, 1980, pp. E3-1-E3-15. [2] A. Alesina, M. Venturini, “Analysis and Design of Optimum- Amplitude Nine-Switch Direct AC- AC Converters”,...
Ngày tải lên: 14/05/2014, 22:37
M4 Macros for Electric Circuit Diagrams in LATEX Document
... character is a backslash or, with dpic, if the backslash is followed immediately by the # character. A blank after the backslash, for example, produces a pic error. 12. Scaling: Pic and these macros ... The macro switch(,,,D) is a wrapper for the comprehensive dswitch macro. draws two diodes to the right, but the second one points left. Similarly, the macro resized(factor,‘macro name’,macro ... with macro names is required, then one possibility is to replace the strings by macros to be expanded by L A T E X, for example the diagram .PS box "\stringA" .PE with the LaTeX macro \newcommand{\stringA}{ Circuit...
Ngày tải lên: 23/05/2014, 10:53