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Systems and methods for boosting DC link voltage in turbine...

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
Reexamination Certificate

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Systems and methods for common-mode voltage reduction in AC...

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
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Systems and methods for controlling a converter for powering...

Electric power conversion systems – Current conversion – Including automatic or integral protection means
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Systems and methods for controlling energy consumption of...

Electric power conversion systems – Current conversion – Encased in plug housing
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Systems and methods for electrical power regulation and...

Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – By semiconductor converter
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Systems and methods for electrical power regulation and...

Electric power conversion systems – Frequency conversion without intermediate conversion to d.c. – By semiconductor converter
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Systems and methods for inverter waveform smoothing

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
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Systems and methods for off-time control in a voltage converter

Electric power conversion systems – Current conversion – Including d.c.-a.c.-d.c. converter
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Systems and methods for producing standby uninterruptible power

Electric power conversion systems – Current conversion – Including an a.c.-d.c.-a.c. converter
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Systems and methods for pulse width modulation

Electric power conversion systems – Current conversion – With means to introduce or eliminate frequency components
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Systems and methods for separation of a front end rectifier...

Electric power conversion systems – Current conversion – Having plural converters for single conversion
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Systems and methods involving thyristors

Electric power conversion systems – Current conversion – With condition responsive means to control the output...
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