POWER FACTOR CORRECTION SYSTEM

WIPO Patent Application WO/2012/002618

A1

Disclosed is a power factor correction system. The power factor correction system comprises: a transformer part changing a voltage supplied from a power source to a load; a power changer part connected to a primary side and to a secondary side of the transformer part to receive voltage and current and selectively change the received voltage and current; a watt-hour meter receiving voltage and current from the power changer part, detecting power and a power factor on the basis of the received voltage and current, and outputting an on/off signal for correcting a power factor; and a power factor correction apparatus receiving the on/off signal and controlling the connection between a power factor correction device and the load to correct a power factor at the load.

KIM SEOK GON (KR)
PARK YOUNG UP (KR)
YANG SEUNG HO (KR)
YI JEONG RYOUL (KR)
KIM SANG JUN (KR)
SHIN DONG YEOL (KR)
LEE MYUNG WON (KR)
JUNG GUEM YOUNG (KR)
LEE KEON HANG (KR)

PCT/KR2010/006565

January 05, 2012

September 28, 2010

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KOREA ELECTRIC POWER CORP (KR)
KIM SEOK GON (KR)
PARK YOUNG UP (KR)
YANG SEUNG HO (KR)
YI JEONG RYOUL (KR)
KIM SANG JUN (KR)
SHIN DONG YEOL (KR)
LEE MYUNG WON (KR)
JUNG GUEM YOUNG (KR)
LEE KEON HANG (KR)

G05F1/70

KR20090100584A	2009-09-24
KR20050041557A	2005-05-04
US4356440A	1982-10-26

EZ INTERNATIONAL (KR)
특허법인이지 (KR)

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