Energy recovery system for cyclic drives

Details Energy recovery system for cyclic drives Energy recovery system for cyclic drives

1986-12-15

1988-03-22

Shoop, Jr., William M.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

318807, 318375, 318376, 318373, 187119, 363137, 363138, H02J 904, B66B 500

Patent

active

047331461

ABSTRACT:
A system is disclosed for recovering and storing the energy generated by an electrical motor during deceleration so as to be available for use when the motor is subsequently accelerated. The system utilizes a capacitor for storing the energy produced by voltage regeneration of the motor when decelerating. A two-quadrant regulator, connected between a three-phase rectifier and a four-quadrant SCR regulator, controls the charging and discharging of the capacitor so that the energy stored therein is proportional to the energy required to accelerate the motor and load to the maximum rotational velocity required.

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