A candidate 20-kHz spacecraft power system which includes a series-parallel combination of four Mapham inverters connected to several types of loads is described. A computer simulation of the power system is used to illustrate its steady-state and dynamic performance on an end-to-end basis. Comparisons with measured data are made. It is shown that significant distortion of the 20-kHz bus voltage can occur due to the switching of the load converters. This distortion can be reduced by including a shunt-connected parallel resonant filter on the 20-kHz side of the load converter. It is also shown that the distortion can be reduced by using a pulse-density-modulated switching strategy.
Simulation and dynamic performance of a 20-kHz spacecraft power system
Simulation und dynamische Eigenschaften eines 20-kHz-Raumfahrzeug-Energiesystems
1990
5 Seiten, 4 Quellen
Aufsatz (Konferenz)
Englisch
Dynamic Performance Simulation of a Spacecraft Power System
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