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Motor operator for over-head air break electrical power distribution switches

  • US 6,456,025 B2
  • Filed: 03/08/2001
  • Issued: 09/24/2002
  • Est. Priority Date: 04/03/1998
  • Status: Expired due to Term
First Claim
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1. An operator for an overhead electrical power switch, in which operator comprises:

  • a controlled motor drive adapted to be coupled to an overheas electrical power switch;

    motor drive position sensor producing a signal representing motor drive position; and

    dynamic controller for controlling said motor drive in response to the signal produced by said motor drive position sensor, wherein said dynamic controller has a switch opening mode that includes first applying power to the motor drive to drive the switch closed and then applying power in a reverse direction to drive the switch open.

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