1． School of Information Engineering Nanchang University，Nanchang 330031，China;
2． State Grid Jiangxi Electric Power Ｒesearch Institute，Nanchang 330096，China
A novel hybrid excitation synchronous generator with wide range magnetic regulation ability is proposed to solve the problem of small range of air－gap field adjustment in current hybrid excitation synchronous generators，and it has 4 permanent magnetic poles and 4 ferromagnetic poles． The principle of air－gap magnetic field adjustment of the hybrid excitation synchronous generator is analyzed based on the equivalent magnetic circuit method． The no－load characteristics，regulation characteristics and line voltage waveform of the generator are simulated by using Maxwell software，which compared with the experimental results． The line voltage is increased by 104．2% as the excitation current is increased from 0 to 8 A，which indicates that the hybrid excitation generator has a wide range of magnetic adjustment． The correctness of the scheme and the feasibility of the computing method have verified by the results．
ZHOU Lin，XIA Yong-hong，ZHANG Cong，LI Meng-ru.
Hybrid Excitation Synchronous Generator with Widerange of Magnetic Field Ｒegulation[J].China Rural Water and Hydropower, 2017(9): 169-172
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