Electric actuator return-to-normal using capacitor energy storag

Details Electric actuator return-to-normal using capacitor energy storag Electric actuator return-to-normal using capacitor energy storag

1996-07-24

1998-12-22

Gaffin, Jeffrey

Electrical transmission or interconnection systems

Plural supply circuits or sources

Connecting or disconnecting

318107, 318139, 49 28, H02P 126

Patent

active

058523332

ABSTRACT:
An electric actuator return-to-normal failsafe system that utilizes a bank of storage capacitors to store electrical energy for returning an electrical actuator to a safe position in the event of a power failure. The failsafe system includes a regulator circuit that regulates the output of the storage capacitor such that a constant power output is applied to the electric actuator. The constant power output from the regulator circuit is also available to provide directional control of the actuator.

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patent: 5519295 (1996-05-01), Jatnieks

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