• High Power Laser and Particle Beams
  • Vol. 35, Issue 11, 115001 (2023)
Peng Zhang, Haitao Li*, Changyong Hu, and Lingshuo Kong
Author Affiliations
  • School of Electrical and Electronic Engineering, Shandong University of Technology, Zibo 255020, Shandong
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    DOI: 10.11884/HPLPB202335.230124 Cite this Article
    Peng Zhang, Haitao Li, Changyong Hu, Lingshuo Kong. Remanent magnetic energy recovery method for air-core pulse alternator[J]. High Power Laser and Particle Beams, 2023, 35(11): 115001 Copy Citation Text show less
    Traditional pulse alternator topology
    Fig. 1. Traditional pulse alternator topology
    Pulse alternator with excitation energy recovery
    Fig. 2. Pulse alternator with excitation energy recovery
    Excitation energy recovery circuit
    Fig. 3. Excitation energy recovery circuit
    Working process of excitation energy recovery circuit
    Fig. 4. Working process of excitation energy recovery circuit
    2D model of pulse alternator
    Fig. 5. 2D model of pulse alternator
    Excitation current waveform
    Fig. 6. Excitation current waveform
    Heat generation of field winding
    Fig. 7. Heat generation of field winding
    Pulse capacitance voltage
    Fig. 8. Pulse capacitance voltage
    Temperature distribution of pulse alternator
    Fig. 9. Temperature distribution of pulse alternator
    Temperature curve of pulse alternator
    Fig. 10. Temperature curve of pulse alternator
    Experimental circuit
    Fig. 11. Experimental circuit
    Experimental results
    Fig. 12. Experimental results
    number of pole pairs number of phases rotor speed/ (r·min−1) rotor outer diameter/mm stator outer diameter/mm moment of inertia/(kg·m2) field winding inductance/mH field winding resistance/mΩ capacitance of capacitor/mF initial excitation voltage/V
    2412000540760304.29031000
    Table 1. Simulation parameters of pulse alternator
    circuit modefreewheeling time/mswinding heat/MJwinding temperature/℃
    traditional circuit>20>0.1638.6
    energy recovery circuit60.1134.9
    Table 2. Circuit performance indices
    capacitance of capacitor/µF voltage of capacitor/V inductance of regulating winding/µH resistance of regulating winding/mΩ inductance of field winding/mH resistance of field winding/mΩ
    100400180201.5320
    Table 3. Parameters of experimental circuit
    Peng Zhang, Haitao Li, Changyong Hu, Lingshuo Kong. Remanent magnetic energy recovery method for air-core pulse alternator[J]. High Power Laser and Particle Beams, 2023, 35(11): 115001
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