Electric brake and energy recovery system for brushless DC motor

A technology of electronic braking and energy recovery, applied in the direction of stopping devices, etc., can solve the problems of interference control mechanism and low energy recovery ratio, and achieve the effect of reliable braking torque
CN101085602AInactive Publication Date: 2007-12-12WIZ ENERGY TECH
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
WIZ ENERGY TECH
Publication Date
2007-12-12
Estimated Expiration
Not applicable · inactive patent

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Abstract

The energy recovery system applies reverse mode voltage on the motor coil when the electric brake system is activated, through synchronous switching controlling the up and down arm MOSFET, with the current flowing back to the source end when the arm closes, to achieve energy recovery. It relies on Gate voltage to switch signal, realizes the controllable reverse torque brake, provide smooth and reliable brake torque, without complex electric frame structure to recover the motor dynamic maximumly.
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Claims

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