Future NASA missions will require high-performance electric propulsion systems. Hall thrusters are being developed at NASA Glenn for high-power, high-specific impulse operation. These thrusters operate at power levels up to 50 kW of power and discharge voltages in excess of 600 V. A parallel effort is being conducted to develop power electronics for these thrusters that push the technology beyond the 5kW state-of-the-art power level. A 10 kW power module was designed to produce an output of 500 V and 20 A from a nominal 100 V input. Resistive load tests revealed efficiencies in excess of 96 percent. Load current share and phase synchronization circuits were designed and tested that will allow connecting multiple modules in parallel to process higher power.


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    Title :

    Multi-Kilowatt Power Module for High-Power Hall Thrusters


    Contributors:
    L. R. Pinero (author) / G. E. Bowers (author)

    Publication date :

    2005


    Size :

    16 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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