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This paper develops the self control strategy of the Brushless DC Motor (BDCM) fed by the reduced Three Switch Three Phase Inverter (TSTPI) using the Xilinx Kintex 7 Field Programmable Gate Arrays (FPGA) package. This proposed command begins with a test simulation on the numerical environment Matlab using in the first step the Simulink toolbox and in the second step the Xilinx System Generator (XSG)...
In this paper, a position sensorless permanent magnet brushless direct current (PMBLDC) motor drive is presented. For realization of sensorless operation, zero crossing of back emf is detected. In order to generate the proper firing pulses for commutation of inverter circuit and to remove the noise from the back emf signals, low pass filters are used. The complete drive system is modeled in the MATLAB/Simulink...
1500 Volt Direct Current (DC) supply in Electric Traction was converted into 25 kV Alternate Current (AC) by the end of December 2015 in Mumbai Local Train. This conversion showed the drastic changes in the speed control, time and cost saving. It was impossible without the recent developments in the power electronics. This paper present the complete conversion of present traction electric system into...
Permanent Magnet Synchronous Motor (PMSM) with lower inductance values suffering from the narrow Constant Power Speed Range (CPSR). The traditional approaches for extending CPSR operation included adding an additional inductance or a thyristor controlled inductance in series with the motor. However, these approaches increase the cost, complexity, and derate the inverter of the drive system. In this...
This paper describes MATLAB/Simulink implementation of optimal excitation control on a three-phase induction motor (IM) for energy conservation at light loads. This simulation model is developed to support and enhance Loss Minimization Control (LMC) on electric machinery education at the undergraduate and postgraduate level in electrical engineering. This study provides the saving of real, reactive...
A Hard Disk Drive (HDD) spindle motor is a brushless dc (BLDC) motor which has been used in high speed applications due to its high efficiency and good controllability. This paper presents a novel topology for a low cost converter which drives a spindle motor at high speed with high starting torque using the bipolar starting and unipolar running algorithm. This topology is simple and uses only eight...
In this paper, the theory of speed and discrete vector of flux closed-loop discrete principle is used to control Asynchronous Machine. According to PI regulating, PWM produces a feedback control signal, which is send to the pulse generator. And Variable frequency control is achieved by inverter. By using direct vector control system model with rotor speed and flux closed-loop, the simulation results...
Recently, direct torque control (DTC) has been applied on brushless DC motor (BLDCM). As the result of uncertainty of voltage across the off-phase, the stator flux-linkage changes its value periodically every sixty electric degree. The basic direct self control (DSC) strategy for BLDCM solves these problems, just as this paper presented. The simple structure is holding while the high performance is...
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