Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 12 of 12 for “"AC Motor"”.
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AC motor speed performance improvement using fuzzy logic control
… design to control single phase induction motor. The controller strategy is done through phase angle control method. The phase angle is controlled by controlling the firing angle delay of the triac. This controller system is implemented and simulated using MATLAB Simulink software. The …
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An average modeling approach of hybrid power systems for use in mobile refrigeration applications
… for refrigeration units in delivery trucks. The background of the mobile refrigeration industry is stated, and the motivation of the proposed hybrid-powered ac motor drive is discussed. The model is intended to be used for an industry power and energy flow study and eventually for a development of …
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Design of a prototype personal static var compensator
… for distributed var control through load power factor correction. The PSVC demonstrates the two key benefits of power factor correction, which include decreased power costs and increased system capacity. The PSVC prototype consists of two types of branches---a TSC branch and a TCR branch. A …
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Zigbee based wireless adjustable speed drive system
This thesis proposes a remotely controlled motor drive system which is able to supply a regulated voltage for both DC and AC motors. The proposed system integrates two different technologies, each of which belongs to the field of wireless communications and semiconductor power electronics. The …
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Design guidelines for inverter fed motor drives in distributed power system applications
… and a load subsystem consisting of loads. Motor drives used as a load subsystem form an important type of load in distributed power system applications. The input impedance of the load subsystem is an important factor in designing and analyzing the performance and stability of a distributed …
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Production line design and system analysis for new product introduction in electronics manufacturing
… on a one piece flow layout design for a factory manufacturing AC motor control drives. The requirement was to create a layout for a new product while integrating existing manufacturing lines. Analytical methods and simulation techniques were used to validate the performance of the proposed …
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The impact of conventional and wide bandgap semiconductor PWM inverter EDM bearing currents on motor bearings.
The pulse width modulated (PWM) ac motor drive has revolutionized the industrial sector by drastically reducing energy consumption and improving the efficiency of industrial processes. To continue the transition towards an electrified society, power density in electric motor drives must continue to …
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Efficient Control of DC Servomotor Systems Using Backpropagation Neural Networks
DC motor systems have played an important role in the improvement and development of the industrial revolution, making them the heart of different applications beside AC motor systems. Therefore, the development of a more efficient control strategy that can be used for the control of a DC …
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Development of control algorithm for a new 12s-6p single phase field excited flux switching motor
Flux switching motor (FSM) fall into a special category of switch reluctance motors (SRM). One of the key features of FSM is its rotor structure. Generally, it is free from any magnet and winding. Thus, allowing the motor to attain considerably higher speed and more stability then conventional AC …
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Implementation of a Digital Signal Processor (DSP) Based Space Vector Control of AC Induction Motor Drives
… how these pulse trains synthesize sine waves. AC waveform generation techniques such as the square wave and Pulse Width Modulation (PWM) are compared in terms of their harmonic elimination capability and fundamental gain control. Various PWM techniques such as bipolar switching, unipolar …
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Development of control techniques for direct AC‐AC matrix converter fed multiphase multi‐motor drive system
… applications, such as paper mills, locomotive traction, oil and gas, mining and machine tools, which require high performance control of more than one electric motor simultaneously. When more than one electric motors are employed in an electric drive, it is called, ‘multi‐motor drive’. These …
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A novel concept of series connected multi-phase, multi-motor drive systems
… applications, such as paper mills, locomotive traction and machine tools, which require high performance control of more than one electric motor. These multi-motor drives are generally available in two configurations. The first one consists of a number of three-phase voltage source inverters …