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Patent Searching and Data


Title:
MOTOR DRIVE APPARATUS AND HOME APPLIANCE HAVING SAME
Document Type and Number:
WIPO Patent Application WO/2019/107872
Kind Code:
A1
Abstract:
A home appliance having a motor according to the present invention comprises: an inverter unit; and an inverter control unit for controlling a switching operation of the inverter unit, wherein the inverter control unit generates a braking command for braking the motor, on the basis of an operating mode of the home appliance, and controls the inverter unit to stop the motor when a preset braking time elapses after the braking command is generated, and to execute a first braking mode in which the rotational speed of the motor is reduced in a state where no current flows in the inverter control unit, and then to execute at least one of a second braking mode and a third braking mode in which the rotational speed of the motor is reduced in a state where a current flows in the inverter control unit.

Inventors:
PARK KYUNGTAE (KR)
KIM DONGWOOK (KR)
LEE SUNIL (KR)
Application Number:
PCT/KR2018/014707
Publication Date:
June 06, 2019
Filing Date:
November 27, 2018
Export Citation:
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Assignee:
LG ELECTRONICS INC (KR)
International Classes:
H02P3/18; D06F34/10; D06F37/40; H02M7/5387; H02P27/06
Foreign References:
KR20080106125A2008-12-04
JP2003305294A2003-10-28
US4990844A1991-02-05
US6721119B12004-04-13
KR101649632B12016-08-19
Attorney, Agent or Firm:
PARK, Jang-Won (KR)
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