David Finney, B.Sc., CEng., FIEE, is division manager and chief
engineer, responsible for large variable speed drive systems, at
the G.E.C. Industrial Controls plant in Rugby, England. In this
position he is responsible for the development, design and
manufacture of large drive systems for use in mining, metals,
paper, oil, and chemical industries throughout the world.
He has been technically involved in the power semiconductor field
since 1958, when thyristors were only just emerging, and during
this time he has worked on all types of thyristor converters and
inverter drives from a few kilowatts up to 10,000 kW using natural
and forced commutation techniques and operating in square wave and
pulse modulated modes.
He has published a number of articles and given lectures around the
world in his chosen subject.
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