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    Development of a three-phase variable speed drive system for a battery fed underground mining locomotive

    Prest, R.B. / Wyk, J.D. van / Schultz, J. | Tema Archiv | 1988
    inverter, microprocessor and controller are all totally enclosed and the electronics is hermetically sealed against the harsh mining environment ...

    10 kHz inductively coupled power transfer - concept and control

    Green, A.W. / Boys, J.T. | Tema Archiv | 1994
    control compared to alternative forms of motive power. But conventional methods of power transfer to the vehicle such as electrified tracks and ...