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

  • US 6,215,263 B1
  • Filed: 04/01/1999
  • Issued: 04/10/2001
  • 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 the operator comprises:

  • a controlled motor drive adapted to be coupled to an overhead 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, said dynamic controller comprising a digital processor having switch opening and closing modes, said switch opening and closing modes computing stopping distance of said motor drive as a function of motor drive speed determined from the signal representing motor drive position and turning off said motor drive before a predetermined end point of travel of said motor drive in accordance with said computed stopping distance.

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