Motor drive control device

Details Motor drive control device Motor drive control device

2008-04-15

2008-04-15

Duda, Rina (Department: 2837)

Electricity: motive power systems

Switched reluctance motor commutation control

C318S434000, C318S132000, C388S907200, C327S423000, C327S110000

Reexamination Certificate

active

07358693

ABSTRACT:
Disclosed is a motor drive control device which uses mechanical switches configured in an H-bridge shape and can protect the mechanical switches from being damaged and minimize a voltage chattering problem occurring upon switching on and off The motor drive control device includes: two relay switching units which are coupled to both sides of a motor and each of which is formed in an H-bridge shape and is connected to an output terminal of a bridge circuit; a switching unit which controls a voltage source applied to the relay switching units; and an inverter controller which first controls any one of the relay switching units and then controls the switching unit so that the motor starts to operate, and first controls the switching unit and then controls the one of the relay switching units so that the motor comes to a halt.

REFERENCES:
patent: 5686859 (1997-11-01), Majumdar et al.
patent: 6617913 (2003-09-01), Johnson
patent: 2005/0024102 (2005-02-01), Kondo
patent: 11-289785 (1999-10-01), None

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