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Showing 1 to 20 of 49 for “"Drive Systems"”.
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Vector controlled induction motor drive systems
… motors have been widely used for variable speed drives for numerous industrial applications despite the fact that ac machines are robust, less expensive, and have low inertia rotors. The main disadvantage of the ac machines is the complexity in control and the cost of the related circuitry. With …
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The application of thyristors to induction motor drive systems
This thesis provides a comparison of three different power circuit arrangements of thyristors for controlling the speed of an induction motor through control of the stator voltage. The output voltage harmonic structure is provided for each circuit along with a comparison of the motor torque-speed …
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Development of CAE system for switched motor drive systems
… of a general purpose CAE environment for motor drive systems. The development of a CAE package for Switched Reluctance Motor (SRM) drive systems is used to illustrate the method. Two existing software packages are modified for inclusion, and the development of a new module for the dynamic …
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Effects of Input Power Factor Correction on Variable Speed Drive Systems
The use of variable speed drive (VSD) systems in the appliance industry is growing due to emerging high volume of fractional horsepower VSD applications. Almost all of the appliance VSDs have no input power factor correction (PFC) circuits. This results in harmonic pollution of the utility supply …
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A novel concept of series connected multi-phase, multi-motor drive systems
… 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 (VSI) connected in parallel to a common DC link, each inverter feeding a three-phase AC motor. This configuration allows …
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Design and operation of high-power variable reluctance motor based drive systems
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1985.
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Designing better induction motor drive systems from efficiency, reliability, and power electronics perspectives
Made available in DSpace on 2011-09-23T23:24:17Z (GMT). No. of bitstreams: 3 Bazzi_Ali.pdf: 2434678 bytes, checksum: 06db3ca1f4ac8d1713ef6008460c2613 (MD5) license.txt: 4058 bytes, checksum: 26cc222b4e951df00517cf8c76287640 (MD5) Dissertation_Bazzi.doc: 10374144 bytes, checksum: …
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Modeling and Control Design of Vsi-Fed Pmsm Drive Systems With Active Load
… design and detailed analysis of a VSI-fed PMSM drive system with active load is done through simulations of the system model, using modern simulation software packages. A new control method for the speed tracking control based on the estimation of the load torque profile is proposed. A new, …
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The application of advanced signal processing techniques to the condition monitoring of electrical machine drive systems
… to condition monitoring of electrical machine drive systems. The mathematical and signal processing tools which are explored are wavelet analysis and a non-stationary adaptive signal processing algorithm. Four specific applications are identified for the research. These applications were …
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The application of advanced signal processing techniques to the condition monitoring of electrical machine drive systems
… to condition monitoring of electrical machine drive systems. The mathematical and signal processing tools which are explored are wavelet analysis and a non-stationary adaptive signal processing algorithm. Four specific applications are identified for the research. These applications were …
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The application of advanced signal processing techniques to the condition monitoring of electrical machine drive systems
… to condition monitoring of electrical machine drive systems. The mathematical and signal processing tools which are explored are wavelet analysis and a non-stationary adaptive signal processing algorithm. Four specific applications are identified for the research. These applications were …
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On drive systems for high performance machines and design of an air motor/particle brake actuator
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1984.
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Variable-Speed Switched Reluctance Motor Drives for Low-Cost, High-Volume Applications
Demand for energy-saving variable speed drives in low-cost, high-volume appliances has increased due to energy and environmental concerns and hence the need to comply with new regulations. Switched reluctance motor (SRMs) have been considered by many as attractive alternatives for brush commutated …
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A smart motor drive system for domestic and industrial applications
… cost and low maintenance variable speed direct drive system for constant power applications, three drive systems can be considered. These drive systems are Induction Motor (IM) drive, Switched Reluctance Motor (SRM) drive and Permanent Magnet Brushless Motor (PMBM) drive.
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Nonlinear material modeling and finite element analysis of V-ribbed belts
"The V-ribbed belt-drive system has become increasingly important to the automotive industry. There is a need to understand the operational characteristics of these belt-drive systems for optimal design and manufacturing. A three-dimensional nonlinear finite element model was built to study the …
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Electropermanent magnetic connectors and actuators : devices and their application in programmable matter
… fabricate, we want to use electromagnetic direct drive, rather than clockwork, to actuate the particles. Previous attempts to fabricate small scale (below one centimeter) robotic systems with electromagnetic direct-drive have typically run into problems with insufficient force or torque, excessive …
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The application of vector control to PWM drives
… and behaviour of inverter fed induction motor drive systems, where the main aim of the investigation was to produce a means of simulation, whereby the transient response of drives could be studied in detail.<br/><br/>It is shown that a useful simulation of an inverter drive can be achieved by …
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