H - Electricity – 02 – M
Patent
H - Electricity
02
M
321/95
H02M 7/12 (2006.01)
Patent
CA 1104648
21-DSA-2460 ABSTRACT OF THE DISCLOSURE A circuit for controlling the rendering conductive of the controlled rectifiers of a power conversion unit to thereby control the power supplied to a load from a source of alternating current voltage employs a single sense device to sense a prescribed phase relationship between adjacent phase to neutral voltage of the source which is utilized to develop a digital count representing a time-phase relation- ship with respect to the point determined. The digital count thus developed is supplied to a memory system to address that system and based upon the contents of the locations within the memory system thus addressed there is provided an output which determines the time and firing sequence of the rectifiers of the power conversion system. This output is then utilized to generate suitable signals which are applied to the rectifiers of the power conversion system to thereby control the power supplied to the load.
297236
Company General Electric
Eckersley Raymond A.
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