speed control of single phase induction motor using pwm technique

Design and Implementation of a Three-Phase Induction Motor Control Scheme

Design and Implementation of a Three-Phase Induction Motor Control Scheme

... a control strategy that varies the frequency and voltage of the signal applied to the windings of the induction motor, while controlling the flux created in the air-gap of the induction motor. ... 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 and is one of ... the induction motor s many advantages are clearly explained. Wildi also presents the two types of induction motors: “the squirrel cage induction motor and the “wound motor . An explanation of...

Ngày tải lên: 27/10/2013, 23:15

93 695 1
Chapter 9  unbalanced operation and single phase induction machines

Chapter 9 unbalanced operation and single phase induction machines

... single- phase induction motor. Figure 9.8-4. Average steady-state torque versus speed characteristics of a capacitor-start single- phase induction motor. UNBALANCED STATOR CONDITIONS OF INDUCTION ... speed exceeds a predetermined value of generally between 3% and 5% of synchronous speed of the rotor. SINGLE- PHASE INDUCTION MACHINES 367 Figure 9.8-5. Free-acceleration characteristics of ... capacitor-start to single- phase operation at 75% of synchronous speed is illustrated. The free acceleration characteristics of the example capacitor-start single- phase induction motor are shown...

Ngày tải lên: 16/02/2014, 18:48

41 514 0
Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc

Báo cáo nghiên cứu khoa học: "NUMERICAL MODEL OF SINGLE PHASE TURBULENT FLOWS FOR CALCULATION OF PRESSURE DROP ALONG GAS PIPELINES " doc

... 0.00785 0.7452 0.01235 Real Pressure at 112971m of the end of pipeline is 6970 kPa Table 3.5. Summary of numerical results of oulet pressure p 2 Results of outlet pressure and its differences with ... Real Pressure at 112971m of the end of pipeline is 7730 kPa The results with input data - sample 2 in table 3.1 along the associated gas pipeline of flow equations of Weymouth, Panhandle A, ... Real Pressure at 112971m of the end of pipeline is 7040 kPa The results with input data - sample 3 in table 3.1 along the associated gas pipeline of flow equations of Weymouth, Panhandle A,...

Ngày tải lên: 22/07/2014, 10:21

11 414 0
DC bus control of variable speed wind turbine using a buck boost converter

DC bus control of variable speed wind turbine using a buck boost converter

... Search rules of the various cases of operation are summarized in the table I. Fi g.4. Operation modes of buck boost converter 2 Unlike constant -speed control, a variable -speed control can ... Fig.5. Probable displacement of the operating point between the operating power and the maximum power, in the event of change of the wind speed, the control of the buck- boost converter ... control can adjust the speed of the turbine as the wind speed changes, so as to operate at the peak of the Cp curve. This will maximize the power generated for a particular wind speed, as it shown...

Ngày tải lên: 03/01/2014, 19:15

5 576 1
Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor

Direct torque and indirect flux control of brushless DC motor with non sinusoidal back EMF without position sensor

... effectiveness of the sensorless three -phase conduction DTC of a BLDC motor drive with six-switch inverter. 2. The Proposed Sensorless DTC of Four-Switch BLDC Motor Drive Using Three -Phase Conduction ... efficiency control strategies of an induction motor, ” IEEE Trans. Ind. Appl., vol. 22, no. 5, pp. 820–827, Sep./Oct. 1986. [2] M. Depenbrock, “Direct self -control of inverter-fed induction machine,” ... 2.1 Principles of the Proposed Method Title Block Indirect torque control method of BLDC motor explained in [9] was extended to a direct torque and indirect flux control technique for six-switch...

Ngày tải lên: 03/01/2014, 19:45

5 618 2
Direct torque and indirect flux control of brushless DC motor

Direct torque and indirect flux control of brushless DC motor

... Overall block diagram of the position-sensorless direct torque and indirect flux control (DTIFC) of BLDC motor drive using three -phase conduction mode. Fig. 4. Simulated indirectly controlled stator ... INDIRECT FLUX CONTROL OF BRUSHLESS DC MOTOR 355 TAB L E I S WITCHING T ABLE FOR DTC OF BLDC M OTOR U SING T HREE - PHASE C ONDUCTION indirectly kept at its optimum level, while the motor speed is less ... programming-based control of brushless motors,” IEEE Trans. Control Syst. Technol., vol. 11, no. 1, pp. 139–146, Jan. 2003. [19] S. J. Kang and S. K. Sul, “Direct torque control of brushless dc motor with nonideal...

Ngày tải lên: 03/01/2014, 19:46

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