Search for dissertations about: "permanent-magnet synchronous machine"

Showing result 1 - 5 of 43 swedish dissertations containing the words permanent-magnet synchronous machine.

  1. 1. Design of Rare Earth Free Permanent Magnet Generators

    Author : Petter Eklund; Sandra Eriksson; Leijon Mats; Marcus Berg; Oskar Wallmark; Uppsala universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; permanent magnet generators; electrical machine design; ferrite permanent magnet; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Abstract : Low speed permanent magnet (PM) synchronous generators (SGs) are commonly used in renewable energy. Rare earth (RE) PMs such as neodymium-iron-boron are a popular choice due to their high performance. READ MORE

  2. 2. Design of a Permanent-Magnet Assisted Synchronous Reluctance Machine for a Plug-In Hybrid Electric Vehicle

    Author : Kashif Saeed Khan; Chandur Sadarangani; Yujing Liu; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; electric vehicle; hybrid electric vehicle; integrated charger; interior permanent-magnet machine; magnet placement; permanent-magnet assisted synchronous reluctance machine; surface mounted permanent-magnet machine; syncronous reluctance machine;

    Abstract : .... READ MORE

  3. 3. Control of permanent-magnet synchronous machines in automotive applications

    Author : Oskar Wallmark; Chalmers University of Technology; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; in-wheel motor; sensorless control; electric vehicle; permanent-magnet synchronous machine; loss minimization; inverter; Electric drive; position estimation; vector control; hybrid electric vehicle; phase-locked loop; fault tolerance;

    Abstract : This thesis deals with the design and analysis of control system structures for electric drives equipped with permanent-magnet synchronous machines (PMSMs) in automotiveapplications.Sensorless control, meaning vector control without a mechanical rotor position sensor, is considered and a speed and position estimator of phase-locked loop type is analyzed thoroughly. READ MORE

  4. 4. Rare Earth Metal–Free Permanent Magnet Generators

    Author : Petter Eklund; Sandra Eriksson; Leijon Mats; Sonja Lundmark; Uppsala universitet; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Engineering Science with specialization in Science of Electricity; Teknisk fysik med inriktning mot elektricitetslära;

    Abstract : Permanent magnet (PM) synchronous generators (SGs) are used in renewable energy production. The preferred PM material is neodymium-iron-boron (NdFeB), which has very high performance and, until recently, low cost. READ MORE

  5. 5. Synchronous Reluctance Machine (SynRM) in Variable Speed Drives (VSD) Applications

    Author : Reza Rajabi Moghaddam; Chandur Sadarangani; Alfredo Vagati; KTH; []
    Keywords : ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Synchronous Reluctance Machine SynRM ; Torque; Torque Ripple; Design; Optimization; FEM; Control; Standard Size; Measurement; Performance Comparison; Induction Machine IM ; Interior Permanent Magnet Machine IPM ; Variable Speed Drive VSD ; General Purpose GP ; Field Oriented Control FOC ; Direct Torque Control DTC ; Heat Run; Test; Thermal; Operation Diagram; Circle Diagram; Electrical engineering; Elektroteknik;

    Abstract : This thesis is comprehensively dedicated to the theoretical and experimental reevaluation of the Synchronous Reluctance Machine (SynRM). A simple approach to derive the SynRM main characteristics and behavior is followed. An introduction to an evaluation of the different control strategies in is given. READ MORE