POWER SYSTEM AND MOTOR DRIVING APPARATUS INCLUDED IN POWER SYSTEM

Title:

POWER SYSTEM AND MOTOR DRIVING APPARATUS INCLUDED IN POWER SYSTEM

Document Type and Number:

WIPO Patent Application WO/2015/122655

Kind Code:

A1

Abstract:

The present invention relates to a power system comprising: a first motor; a second motor connected in parallel with the first motor; a drive unit for supplying a drive current to the first motor and the second motor; and a control unit for controlling the drive unit on the basis of the drive current and rotational speed of the first motor, wherein if the rotational speed of the first motor is different from the rotational speed of the second motor, the control unit controls the drive unit so that the rotational speed of the first motor is equal to the rotational speed of the second motor. The power system can drive two or more motors at the same speed by applying, using a single driving apparatus, a drive voltage on the basis of the rotational speed and drive current of any one of two or more motors.

Inventors:

CHO JE HYUNG (KR)
BODROV ALEXEY (KR)
KIM SUN JIN (KR)
LEE YONG WOON (KR)

Application Number:

PCT/KR2015/001247

Publication Date:

August 20, 2015

Filing Date:

February 06, 2015

Export Citation:

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Assignee:

SAMSUNG ELECTRONICS CO LTD (KR)

International Classes:

H02P5/46

Foreign References:

JP2003116293A	2003-04-18
JP2008141824A	2008-06-19
JP2004056857A	2004-02-19
US4959596A	1990-09-25
KR20060075705A	2006-07-04

Other References: