Molded polymer load tap changer
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United States of America Patent
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Jul 6, 2010
Grant Date -
Dec 8, 2005
app pub date -
Jun 3, 2004
filing date -
Jun 3, 2004
priority date (Note) -
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status (Latency Note)
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Abstract
A load tap changer connected to a power source to control voltage supplied from the power source to a load includes a base assembly that includes a base element onto which multiple stationary contacts that connect to taps of a winding of an electrical control device are mounted. The load tap changer also includes a movable assembly that includes a movable element that rotates to connect at least one pair of movable contacts mounted on the movable element to a stationary contact to select a corresponding tap. The load tap changer also includes a cover assembly that includes a cover element onto which a motor that rotates the movable element relative to the base assembly is mounted.
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