Title:
PWM CONTROL APPARATUS FOR SEQUENTIAL MOTOR START-UP
Document Type and Number:
WIPO Patent Application WO/2014/003223
Kind Code:
A1
Abstract:
The present invention relates to a PWM control apparatus for the sequential start-up of a motor, in which a motor is started and driven while limiting the starting current, and in which abnormal operations of a device are detected and the device is protected. The apparatus has the effect of greatly reducing the instantaneous voltage drop and the starting current and of stabilizing power quality in a distribution system through the adoption of a PWM sequential start-up control scheme which prevents a plurality of inductive loads from being instantly and simultaneously started.
Inventors:
CHOI YOON SIK (KR)
MYEONG KI SUNG (KR)
SEO SUNG KYU (KR)
KIM SANG KON (KR)
MYEONG KI SUNG (KR)
SEO SUNG KYU (KR)
KIM SANG KON (KR)
Application Number:
PCT/KR2012/005184
Publication Date:
January 03, 2014
Filing Date:
June 29, 2012
Export Citation:
Assignee:
HUMAN ELECTRONICS CO LTD (KR)
CHOI YOON SIK (KR)
MYEONG KI SUNG (KR)
SEO SUNG KYU (KR)
KIM SANG KON (KR)
CHOI YOON SIK (KR)
MYEONG KI SUNG (KR)
SEO SUNG KYU (KR)
KIM SANG KON (KR)
International Classes:
H02P1/16
Foreign References:
| KR20020003734A | 2002-01-15 | |||
| KR20060106068A | 2006-10-12 | |||
| KR20010047455A | 2001-06-15 | |||
| JPH11173734A | 1999-07-02 | |||
| JP2005094933A | 2005-04-07 |
Attorney, Agent or Firm:
HONESTY & JR PARTNERS INTELLECTUAL PROPERTY LAW GROUP (KR)
특허법인 정안 (KR)
특허법인 정안 (KR)
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