Active stabilization of serially connected capacitors in high vo

Details Active stabilization of serially connected capacitors in high vo Active stabilization of serially connected capacitors in high vo

1995-05-11

1997-10-28

Nappi, Robert

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes control for power source of drive-means

187393, 320 1, B66B 106, H01J 1044

Patent

active

056820224

ABSTRACT:
An elevator drive circuit is used for maintaining the voltage across first and second serially connected capacitors having first and second ends. The circuit comprises an active stabilizer for substantially maintaining a predetermined value of the voltage at a connection node of the capacitors. The active stabilizer provides compensation in response to deviations from the predetermined value of the voltage at the connection node.

REFERENCES:
patent: 3041501 (1962-06-01), Willits
patent: 4545464 (1985-10-01), Nomura
patent: 4678063 (1987-07-01), Kitaoka et al.
patent: 5063340 (1991-11-01), Kalenowsky

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