Universal input device for a tap changer
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United States of America Patent
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Oct 7, 2008
Grant Date -
Aug 23, 2007
app pub date -
Feb 21, 2006
filing date -
Feb 21, 2006
priority date (Note) -
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Abstract
A control system providing a universal input for receiving a control signal for actuating tap-changing equipment. The system accommodates virtually any signal voltage level commonly used for control of the tap-changing equipment, modifies the received signal to a desired format, and inputs the modified signal to a controller for decoding and actuation of the tap-changing motor. The system is fully electronic, eliminating the use of electromechanical contacts for control of the tap-changer and providing a flexible approach to monitoring and diagnostics even from a location remote from the tap-changing equipment.
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