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Reasearch on Permanent Magnet and Electro-Magnetic Hybrid Excitation Constant Voltage Generator for Vehicle Application

Author: MaJianWei
Tutor: ZhangXueYi
School: Shandong University of Technology
Course: Vehicle Engineering
Keywords: Permanent magnet Electrical excitation Hybrid Excitation Regulator Generator Car
CLC: TM31
Type: Master's thesis
Year: 2008
Downloads: 287
Quote: 2
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Abstract


Automotive Hybrid Excitation Generator of rare earth permanent magnet and electromagnetic excitation , increasing the generator power , reduce the excitation current and excitation losses and increase the efficiency of the generator , which has a good generator of electrical excitation adjustment feature , but also has permanent magnet generator high power density, high efficiency, high reliability advantages . The hybrid excitation generator working principle of electrical excitation magnetic field can completely control the magnetic field of the permanent magnet to the principle of the design methods , the preparation of the design method of computer - based design process , design of Hybrid Excitation Generator structural parameters , performance parameters ; based on the concept of magnetic energy density , the operating point of the permanent magnet optimized to improve the utilization of the permanent magnet material ; using the equivalent circuit method to establish a mixed excitation generator magnetic circuit model , analysis and calculation of the unloaded permeability and magnetic flux of the permanent magnet part and the electrical excitation part . Dual - reaction principle and the principle of superposition , the establishment of a mathematical model of the no-load characteristics , voltage balance between the generator and vector lay the foundation for the Hybrid Excitation Generator electromagnetic design . Proposed by the reference circuit , the comparator circuit , control circuit , trigger circuit and H-bridge control circuit regulator controller design , the use of pretel DXP software regulator controller parameters of the electronic components of the generator output characteristics investigated in order to design the optimal parameters match the hybrid Excitation Generator regulator controller . R \u0026 D -based air-gap magnetic field adjustable brushless claw-pole electric exciter rotor with rare earth permanent magnet rotor coaxial parallel , sharing the armature windings of the same car with a stable output voltage Hybrid Excitation Generator , the aircraft main performance indicators meet the design requirements , and having a good regulator performance .

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CLC: > Industrial Technology > Electrotechnical > Motor > Generators, large the generator group ( Zonglun,)
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