MTech Electric Machines and Drives Projects

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ATEMD-01 COMMUTATION TORQUE RIPPLE REDUCTION IN BLDC MOTOR USING MODIFIED SEPIC CONVERTER AND THREE-LEVEL NPC INVERTER

This paper presents a new power converter topology to suppress the torque ripple due to the phase current commutation of a brushless DC motor (BLDCM) drive system. A combination of a 3-level diode clamped multilevel inverter (3-level DCMLI), a modified single-ended primary-inductor converter (SEPIC), and a dc-bus voltage selector circuit are employed in the proposed torque ripple suppression circuit. For complete Abstract CLICK HERE


ATEMD-02 A BL-CSC CONVERTER FED BLDC MOTOR DRIVE WITH POWER FACTOR CORRECTION

This paper presents a power factor correction (PFC) based bridgeless-canonical switching cell (BL-CSC) converter fed brushless DC (BLDC) motor drive. The proposed BL-CSC converter operating in a discontinuous inductor current mode is used to achieve a unity power factor at the AC mains using a single voltage sensor. The speed of BLDC motor is controlled by varying the DC bus voltage of the voltage source inverter (VSI) feeding BLDC motor via a PFC converter. For complete  abstract  CLICK HERE


ATEMD-03 A LOW COST SPEED ESTIMATION TECHNIQUE FOR CLOSED LOOP CONTROL OF BLDC MOTOR DRIVE

This paper proposes a sensorless speed control technique for Brushless DC Motor (BLDC) drives by estimating speed from the hall sensor signals. Conventionally, the speed is measured using precision speed encoders. Since these encoders cost almost half of the entire drive system, there arises the need for a low cost speed estimation technique. For complete Abstract CLICK HERE 


ATEMD-04 PWAM CONTROLLED QUASI-Z SOURCE MOTOR DRIVE

This paper proposes a novel pulse-width-amplitude modulation (PWAM) method for three-phase quasi-Z source inverter system in motor drive application. It is demonstrated that it operates at only 1/3 switching frequency of traditional PWM methods, with less harmonic distortion. As a result, switching actions and losses are also reduced significantly. For complete abstract CLICK HERE


ATEMD-05 NOVEL BACK EMF ZERO DIFFERENCE POINT DETECTION BASED SENSORLESS TECHNIQUE FOR BLDC MOTOR

In this paper a novel position sensorless scheme named Back EMF Zero Difference Point (ZDP) detection has been proposed for six-switch VSI converter fed permanent magnet BLDC motor. This technique is based on the comparison of back EMFs and detection of the points in the back EMF waveforms where they cross each other or in other words they are equal. For complete abstract CLICK HERE


ATEMD-06 COMMUTATION TORQUE RIPPLE REDUCTION IN BLDC MOTOR USING MODIFIED SEPIC CONVERTER AND THREE-LEVEL NPC INVERTER

This paper presents a new power converter topology to suppress the torque ripple due to the phase current commutation of a brushless DC motor (BLDCM) drive system. A combination of a 3-level diode clamped multilevel inverter (3-level DCMLI), a modified single-ended primary-inductor converter (SEPIC), and a dc-bus voltage selector circuit are employed in the proposed torque ripple suppression circuit. For complete abstract CLICK HERE


ATEMD-07 COMPENSATION OF VOLTAGE DISTRIBUNCES IN SMIB SYSTEM USING ANN BASED DPFC CONTROLLER

Since last decade, due to advancement in technology and increasing in the electrical loads and also due to complexity of the devices the quality of power distribution is decreases. A Power quality issue is nothing but distortions in current, voltage and frequency that affect the end user equipment or disoperation; these are main problems of power quality so compensation for these problems by DPFC is presented in this paper. For complete abstract CLICK HERE


ATEMD-08 BRUSHLESS DC MOTOR DRIVE WITH POWER FACTOR REGULATION USING LANDSMAN CONVERTER

This study presents a novel configuration of power factor regulation (PFR)-based Landsman converter feeding a brushless DC motor (BLDCM) drive for low-power (400 W) white goods applications. The speed control of the drive is achieved through adjusting the DC bus voltage of voltage source inverter (VSI) feeding to a BLDCM. For complete abstract CLICK HERE


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