7.5kw開關(guān)磁阻起動發(fā)電平臺研發(fā)

1、南京航空航天大學(xué)碩士學(xué)位論文7.5kW開關(guān)磁阻起動/發(fā)電平臺研發(fā)姓名：錢燕娟申請學(xué)位級別：碩士專業(yè)：電機(jī)與電器指導(dǎo)教師：朱學(xué)忠200703017.5kW 開關(guān)磁阻起動/發(fā)電平臺研發(fā) iiAbstract With the technique development of MEA and AEA, the two- channel 270V high voltage direct current electri

2、cal source will serve as the power system of the new generation airplane. Switched reluctance motor(SRM) is simplicity, low cost, high fault tolerance, high power density and high speed capabil

3、ity, and it can realize dual function of both starter and generator easily. So now it widely applies to starter/generator(S/G) system for aviation and automobile, and has great potential. The modelization

4、 and simulation of SRG, fault- tolerant performance of two- channel SRM and the driver system based on DSP TMS320LF2407A are studied in this thesis. The main tasks include: (1) SRM inductance fu

5、nction and flux linkage function are derived from ANSYS which is used for electromagnetic field analysis. Based on the motor flux linkage versus current and rotor position, the nonlinear simulation mo

6、del of SRG is established by MATLAB/SIMULINK. It also analyses the steady performance, dynamic performance and motor malfunctions by simulation in this nonlinear model. It proves that SRM has good

7、 fault tolerance performance. (2) Based on an analysis of the mathematical model of 12/8 structure of the SRG, windings inductance and mutual inductance on different working status are analyzed

8、and researched by simulation. In this paper, a new windings connection mode is proposed to get the decoupling between double channels and improve its capability of single- channel fault tolerant

9、 operation mode. Experiment results validate this theory. (3) The designs of the hardware and software of the SRG based on DSP TMS320LF2407A are introduced. The results of experiment verified