Ngày tải lên: 17/12/2013, 18:06
... OF AC INDUCTION MOTORS Generally, induction motors are categorized based on the number of stator windings. They are: ã Single- phase induction motor ã Three -phase induction motor Single- Phase Induction ... Microchip Technology Inc. FIGURE 9: TORQUE -SPEED CURVES OF DIFFERENT TYPES OF SINGLE- PHASE INDUCTION MOTORS THREE -PHASE AC INDUCTION MOTOR Three -phase AC induction motors are widely used in industrial ... a single- phase power supply. In all single- phase induction motors, the rotor is the squirrel cage type. The single- phase induction motor is not self-starting. When the motor is connected to a single- phase...
Ngày tải lên: 25/01/2014, 13:20
Design and Implementation of a Three-Phase Induction Motor Control Scheme
... 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 machine. ... Gareth S Roberts 4. The Induction Machine 4.1 The fundamental operating principles for an induction motor An induction motor is an asynchronous AC (alternating current) motor. The least expensive ... 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
Tài liệu Mechatronics DC Motor / Tachometer Closed-Loop Speed Control System ppt
... 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 ... Mechatronics Kevin Craig DC Motor / Tachometer Closed-Loop Speed Control System 21 Table 1. Specifications of the Honeywell 22VM51-020-5 DC Motor with Tachometer Motor Characteristics Units Values...
Ngày tải lên: 25/01/2014, 13:20
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 ... 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 ... 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...
Ngày tải lên: 16/02/2014, 18:48
Direct control methods for matrix converter and induction motor
... Direct Torque Control of Induction Machines,” IEEE Trans. Ind. Electron., vol. 48, pp. 1057-1064, December 2001. [10] M. Depenbrok, “Direct Self -Control (DSC) of Inverter-Fed Induction Machine”, IEEE ... closed loop control of a drive system consisting of matrix converter and induction machine. Slip control and field oriented control are the basic methods applied for closed loop control [4]. ... modern direct control methods to the system with matrix converter and induction machine. In this paper, the most important direct control methods for matrix converter and induction machine are presented to...
Ngày tải lên: 13/05/2014, 00:55
bài giảng-vhdl - Very High speed integrated circuit Description Language
Ngày tải lên: 12/09/2013, 22:38
Tài liệu tiếng anh Điện tử công suất mạch MERS Improved performance of induction motor using magnetic energy recovery switch
Ngày tải lên: 15/10/2013, 16:10
Tài liệu A neural-network-based space-vector PWM controller for a three-level voltage-fed inverter induction motor drive doc
... dynamic performancecompar- ison ofthe drive during acceleration where acceleration torque is very low due to slow acceleration. The machine hasa speed- sen- sitive load torque which is evidentfrom ... 660 IEEE 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 ... are used to train the network by a backpropagation algorithm in the MATLAB Neural Network Toolbox. The performance of an open-loop volts/Hz speed- controlled induction motor drive has been evaluated...
Ngày tải lên: 22/12/2013, 08:16
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
Power converter control circuits for two mass vibratory conveying system with electromagnetic drive simulations and experimental results IEEE trans
... by noncontact 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 ... to which the active section of the EVA is attached, comprising an active section and reactive section, with built-in elastic DESPOTOVIC ´ AND STOJILJKOVIC ´ : POWER CONVERTER CONTROL CIRCUITS FOR ... amplitude of LCE dis- placement , vibratory width of LCE , actual acceler- ation amplitude , double acceleration amplitude , and calculated acceleration amplitude . The calculated accelera- tion amplitude...
Ngày tải lên: 03/01/2014, 19:16