[PDF] Top 20 Overmodulation and field weakening in direct torque control of induction motor drives

Overmodulation and field weakening in direct torque control of induction motor drives

... Space phasor of rotor current expressed in general reference frame Space phasor of stator current expressed in general reference frame Moment of inertia Integral gain of PI controller Pr[r] ... See full document

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Performance evaluation of constant frequency torque controller based and SVM based of direct torque control of induction motor drives

... Abstract— Direct torque control is a control technique used in AC drive system to obtain high performance torque ...and torque estimator and voltage look-up table. The ... See full document

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Regenerative Braking and Torque Ripple Reduction of Induction Motor Drives Based on Space Vector Modulation Direct Torque Control Strategy

... Motion control is required in large number of industrial and domestic applications like transportation systems, rolling mills, paper machines, textile mills, machine tools, fans, pumps, robots, washing machines ... See full document

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DIRECT TORQUE AND FIELD ORIENTED CONTROL OF PMSM USING SVPWM TECHNIQUE

... ac drives are currently making tremendous impact in the area of variable speed motor control ...enabled control techniques which have high switching frequency and feasibility of high ... See full document

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Direct Torque Control of Induction Motor Drives

... of Direct Torque Control (DTC) of induction motor drives ...high torque ripple. In DTC induction motor drive there are torque and flux ripples because ... See full document

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On Line Determination of Optimal Hysteresis Band Amplitudes in Direct Torque Control of Induction Motor Drives

... In Direct Torque Control of an induction machine the control strategy is based on the selection of appropriate stator voltage vectors in order to maintain the torque and the ... See full document

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Plugging Operation and Constant Switching Frequency Approach to Direct Torque Controlled Induction Motor Drives for Performance Improvement

... of induction motor for stopping and speed reversal is ...DTC control strategy is modified in order to improve the performance of an induction motor drive in terms of torque, flux ... See full document

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A NOVEL PWM BASED DIRECT TORQUE CONTROL OF INDUCTION MOTOR DRIVE

... The direct torque controlled induction motor drive has decoupled control of stator flux and torque and has the feature of precise and quick torque response and reduction ... See full document

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1. Sensorless stator field oriented-direct torque control with svm for induction motor drive

... The space vector adjustment (SVM) methodology has been talked about in writing to replaces the exchanging table by for voltage vector choice. By saving a steady exchanging recurrence, it can lessen essentially the motion ... See full document

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Design and Modeling Improved Direct Torque Control of Induction Motor Drive

... different induction motor drives is given in [3], including volts per hertz control (V/Hz), FOC, DTC, direct self control (DSC), and DTC with space vector modulation ...and ... See full document

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Design of Hybrid Controller for Direct Torque Control of Induction Motor Drive

... speed control reason electric drives are ...electric drives are AC and DC ...AC drives especially Induction Motor Drives (IMD) are most commonly used in industrial ... See full document

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A Novel Space Vector Pulse Width Based High Performance Variable Structure Direct Torque Control Evaluation of Induction Machine Drives

... high torque ripple and slow transient response to the step changes in torque during start- ...lower torque ripple, lower Total Harmonic Distortion (THD) in the AC motor current, lower ... See full document

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DIRECT TORQUE CONTROL OF INDUCTION MOTOR USING FUZZY SLIDING MODE CONTROL

... an Induction machine due to its cost, reliability and performance. Induction machines have simpler and more rugged structure, higher maintainability and economy than DC motors ...electromagnetic ... See full document

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Modeling and simulation of direct torque control of brushless DC motor drives

... of Direct Torque Control was introduced in the mid 1980's ...for induction machine ...simple control structure as it is sensitive to only variation of stator resistance ...the ... See full document

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DIRECT TORQUE CONTROL OF INDUCTION MOTOR USING FUZZY LOGIC

... The induction motor draws the rated current and delivers the rated torque at the base ...The motor can take up to 2.5 times the rated torque with around 20% drop in the ...the ... See full document

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Direct Torque Control Design for Three Phase Induction Motor

... The induction motor or asynchronous is the most widely used electrical ...independent control of torque and flux separately excited dc drives are simpler in ...the induction ... See full document

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Improving Direct Torque Control of Induction Motor with Dither Injection

... phase induction motor constitutes over 70% of motors used in the ...operation. Induction motor has been applied for decades for motive power with variable speed due to its simple ...with ... See full document

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Direct torque control of induction motor using SVM-VSI .

... vector control, DTC doesn’t require coordinate transformation, PI regulators, and PWM and position ...the motor parameter variations [21]. The induction motor like performance is obtained in ... See full document

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Performance improvement of induction motor by using direct torque control technique

... ago, direct torque control (DTC) was introduced to give fast and good dynamic torque ...the field-oriented control (FOC) technique [Takahashi and Noguchi, 1986; Depenbrock, ... See full document

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Design of Flux Observer for Induction Machine Using Adaptive Control Theory

... motion control with four quadrant operation including field weakening, minimum torque ripple, rapid speed recovery under impact load torque and fast dynamic torque and speed ... See full document

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