[PDF] Top 20 Efficiency optimization of a direct torque control (DTC) induction motor drive

Efficiency optimization of a direct torque control (DTC) induction motor drive

... for motor phase signal. This control method is progressively welcomed for the AC drive motor applications since it establish smallest harmonic currents and produce largest output voltage with ... 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

... classical direct torque control strategyis a closed loop control scheme, the important elements of the control structure being: the power supply circuit, a three phase voltage source ... See full document

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Switching Table Based Direct Torque Control of Induction Motor Drive

... and torque control and the switching table are firstly presented in order to accomplish the DTC ...the torque and flux hysteresis band amplitude on the drive behaviour are then ... See full document

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A NOVEL PWM BASED DIRECT TORQUE CONTROL OF INDUCTION MOTOR DRIVE

... speed, torque and currents during the speed reversals (from +1200 rpm to -1200 rpm) are shown in ...conventional DTC, from which it can be observed that the common mode voltage is very high and is varying ... See full document

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Design and Modeling Improved Direct Torque Control of Induction Motor Drive

... and DTC (but not IFOC) provided in [6] is perhaps the most thorough in the ...for DTC and rotor-time constant for ...of torque and flux dynamics, and parameter ...classical DTC-SVM and ... See full document

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SIMPLIFIED SVPWM ALGORITHM BASED DIODE CLAMPED 3-LEVEL INVERTER FED DTC-IM DRIVE

... speed induction motor drives have gained more importance in many industrial ...oriented control (FOC) brought a renaissance in the field of high performance ...the induction motor ... See full document

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

... and torque hysteresis block, toque and flux calculator block, switching control block and switching table ...the motor flux d-q components and electromagnetic torque, the torque and ... See full document

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Direct torque control of three phase induction motor using neural network fuzzy logic techniques

... The control scheme of DTC involves comparison of torque with reference value defining the error torque state and comparison of stator flux with reference value defining the error flux ...in ... See full document

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

... paper drive plugging mode operation of induction motor for stopping and speed reversal is ...Classical DTC control strategy is modified in order to improve the performance of an ... 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

... variable-structure direct torque controllers for sensorless induction machine drives has been ...flexible control than classic DTC (torque ripple ± ...produces torque ... See full document

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Performance improvement of induction motor by using direct torque control technique

... of torque and flux comparators, the switching frequency of the inverter can be increased and hence the torque and the flux ripple can be ...the torque ripple if the delay exists in obtaining the ... See full document

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Direct torque control induction motor drives

... an induction motor the stator flux can vary quickly compared to rotor ...flux. DTC makes use of this property. The DTC uses two hysteresis controllers namely flux controller and torque ... See full document

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Torque Ripples Minimization in DTC based Induction Motor Drive using Fuzzy Logic Technique

... based direct torque control technique with fuzzy logic controllers were ...the torque pulsations in the conventional DTC. The proposed control technique was modeled and simulated ... See full document

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Development Of Direct Torque Control (DTC) Of Five-Phase Induction Machine

... The torque dynamic performance can be improved by employing the existed DC link voltage through ...the DTC under overmodulation mode, it is preferable to use the SVM [14] rather than other techniques due to ... See full document

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Direct Torque Control of Induction Motor Drive Fed from Hybrid Multilevel Inverter

... oriented control), DTC does not require any current regulator, coordinate transformation and PWM signals ...simplicity, DTC allows a good torque control in steady-state and transient ... See full document

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Direct Torque Control of Induction Motor Drives

... in DTC scheme when the stator flux vector is lying sector I is shown in fig ...the torque and the stator flux within the limits of two hysteresis ...quick torque response to be achieved, but the ... See full document

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Investigating Direct Torque Control of Six-Phase Induction Machines Under Open Phase Fault Conditions

... modern drive systems, it is essential to develop a control method to improve the behaviour of the machine under open phase fault ...SPIM control under open phase fault conditions by ...multi-phase ... See full document

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Flux and Torque Estimation in Direct Torque Controlled (DTC)Induction Motor Drive.

... Equations (4.1) and (4.2) show that the cumulative effect of the integration process results in deterioration of the estimated trajectory of stator flux even for very small value of measuring offset. The deterioration ... See full document

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Fuzzypi DTC Scheme Based On SVM for Sensorless Induction Motor Drive

... ordinary DTC is high torque ripple ...proportion control strategy. In obligation proportion control, a chose output voltage vector is connected for a segment of one testing period, and a zero ... See full document

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Novel Direct Torque Control Based on Space Vector Modulation with Adaptive Stator Flux Observer for Induction Motors using ANFIS Puttu Lakshmi 1, J. N. Chandra Shekar2 , A. Lakshmi Devi 3

... novel DTC-SVM plot has been produced for the IM drive system, which is on the premise of info output linearization ...this control strategy, a SVPWM inverter is utilized to bolster the engine, the ... See full document

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