The authors describe the operation and design of a DC to DC converter module which forms part of a spacecraft high-voltage ion engine power supply. Some of the important power supply design requirements are summarised and a power converter topology is chosen which is capable of operating with virtually lossless, zero-voltage switching conditions. In order to obtain a high output voltage using modestly rated rectifier diodes, a split secondary configuration is adopted and a regenerative clamp circuit is used to control the diode bridge switching transient. Full experimental results are provided and a full-load efficiency of 95% is reported.


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    Title :

    A high power DC to DC converter for ion engine control


    Additional title:

    Ein Hochleistungs-Gleichstromsteller zur Steuerung einer Ionenmaschine


    Contributors:


    Publication date :

    1990


    Size :

    5 Seiten, 1 Quelle


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English






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