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Showing 1 to 19 of 19 for “"permanent magnet synchronous machine"”.
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Electromagnetic fault analysis for high specific power permanent magnet synchronous machine
This thesis discusses the electromagnetic fault analyses for a high specific power 1 MW permanent magnet synchronous electric machine designed for aerospace applications. As the high specific power of 13.3 kW/kg of the machine is to be achieved by pushing the design parameters such as mechanical …
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Optimization of a magnetically saturable interior permanent-magnet synchronous machine drive
Interior permanent magnet (IPM) synchronous machines are attractive because they can achieve constant-power operation over a wide speed range with limited magnet strength requirements and reduced power electronics cost. These characteristics provide the IPM machine with advantages over alternative …
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Mechanical design and validation of 1 MW permanent magnet synchronous machine (PMSM)
… design to double the power density of electric machines, bringing us closer to electrified propulsion. This thesis focuses on the mechanical analysis and design for a specially designed 1 MW permanent magnet synchronous electric machine. First of all the design intention or design topology will …
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Mitigation of Asymmetrical Currents in Permanent Magnet Synchronous Machine with Unbalanced Stator Winding Impedance for Electric Vehicle Application
The electric drive system of a permanent magnet synchronous machine (PMSM) with stator winding impedance asymmetry draws unbalanced three-phase stator currents if the conventional current control scheme is employed. Due to these asymmetrical stator currents, some issues such as uneven heating of …
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Position estimation of an outer rotor permanent magnet synchronous machine using linear hall-effect sensors and neural networks
… the angular position for an outer rotor permanent magnet synchronous machine (PMSM). PMSMs are increasingly used as prime movers in electric vehicles such as cars and bicycles, and the precise control of these machines requires reliable feedback of the rotational position of the rotor. …
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Analysis of volts per hertz scalar control as governor of high pole count, high frequency, permanent magnet synchronous machine
The student, Katherine O'Kane, accepted the attached license on 2017-04-20 at 11:04.
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Three-dimensional analytical model with skin effect dedicated to the prediction of the eddy current loss in the permanent magnet in permanent magnet synchronous machine
… model for the eddy current loss in the permanent magnet for a permanent magnet synchronous machine with a rated power of 1 MW and an efficiency of 97%. In order to achieve an ambitious power density of 8 hp/lb, which is twice the state-of-the-art value, the machine uses an air cooled …
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Application of Integer Quadratic Programming to Detection of High-Dimensional Wireless Systems
<p>This work introduces a novel permanent-magnet synchronous machine (PMSM) architecture that employs rotational asymmetry to increase the torque density output in constant power variable speed applications. A population based multi-objective design optimization algorithm is used to design and …
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Integration of Filter Elements in Electric Drives
… separate the power electronics and the electric machine, which reduces the potential for integration and the possibility of beneficial opportunities. Opportunities exist in electric drives for integration of filter elements. Integration can consist of utilizing existing magnetic material for an …
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Testbed development and experimental validation of a high-power slotless stator
… of components of a novel high-specific-power permanent magnet synchronous machine (PMSM) for electric aircraft propulsion. An important thrust in current aerospace research is aircraft electrification, including propulsion system electrification. For an electrified propulsion system to provide …
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Insulation considerations and qualifications for form-wound air-core armature windings in high-frequency electrical machines
High specific power electrical machines are a key enabling technology in hybrid electric aircraft. Specific power can be increased by increasing the machine's electrical loading and operating frequency, which often increases the machine's operating temperature and requires a strong insulation …
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Development, manufacture, and qualification of stator components for a high-speed electric machine intended for aerospace applications
… and materials have enabled innovative electric machine (EM) designs. At the same time, the environments and applications in which these electric machines are being used are becoming more and more demanding. For example, electric vehicles require electric motors that do not consume a large amount …
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SENSORLESS CONTROL OF BRUSHLESS PERMANENT-MAGNET MACHINES FOR POWER TOOL APPLICATION
Permanent-magnet-synchronous-machine (PMSM) drives are widely used in industrial and commercial applications which requires fast dynamic response and accurate control over wide speed ranges. Although, there exists challenges to develop position-sensorless based vector control of PMSM operating in …
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Performance Evaluation of a Cascaded H-Bridge Multi Level Inverter Fed BLDC Motor Drive in an Electric Vehicle
… strategy to be employed and the particular machine to be used in an EV. Adequate amount of effort has been put into designing the vehicle specifications. Owing to stronger demand for higher performance and torque response in an EV, the Permanent Magnet Synchronous Machine has been favored …
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Hybrid PWM Update Method for Time Delay Compensation in Current Control Loop
… a three-phase voltage source inverter with a permanent magnet synchronous machine as the platform, a deadbeat current control and a high speed ac drive experiments have been conducted to demonstrate the feasibility and validity. Notable results include a closed current loop response of one …
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Variable speed constant frequency power conversion with permanent magnet synchronous and switched reluctance generators
… cases of variable speed power generation using a permanent magnet synchronous machine (hereafter referred to as PMSM) and a switched reluctance machine (hereafter referred to as SRM) were studied in this dissertation. The possible use of PMSMs has been proved by the good correlation between the …
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Electromagnetic modeling and variable-speed-operation characteristics of inverter-driven, high-frequency, low-inductance permanent magnet synchronous machines
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2024-05-01
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Terminal Behavioral Modeling of Electric Machines for Real-time Emulation and System-level Analysis
… With ever-increasing application of electrical machines by means of electrification of vehicles, airplanes and shipboards, detailed study of the relating dynamics is very important to ensure the proper implementation and stable behavior of the overall system. In this work, the application of the …
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Análisis y optimización de modelos de rotor de motor síncrono para vehículos híbridos con la incorporación de nuevos materiales magnéticos
… las tecnologías de fabricación de imanes permanentes de tierras raras para determinar una alternativa viable a los imanes NdFeB sinterizados, monopolizados por China, y por otro lado se estudian los distintos tipos de motores eléctricos más idóneos para su aplicación en vehículos …