Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
HIGH POWER FACTOR CONVERTER
Document Type and Number:
Japanese Patent JP3175756
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To suppress the ripple of a capacitor in high power factor converter.
SOLUTION: The high power factor converter comprises a choke coil 5 and a capacitor 6 connected in series between the DC terminals of an AC-DC converter circuit 2 having at least one high frequency main switching element 22, and a series circuit of an auxiliary switching element 3 and an auxiliary diode 4 connected in parallel with the choke coil 5. An sinusoidal AC input current is produced by turning each switching element on/off and the capacitor is subjected to constant voltage control.


Inventors:
Katsuya Hirachi
Application Number:
JP26453195A
Publication Date:
June 11, 2001
Filing Date:
October 12, 1995
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Yuasa Corporation
International Classes:
H02M7/217; H02M1/14; H02M3/155; H02M7/12; (IPC1-7): H02M7/12; H02M1/14; H02M3/155
Domestic Patent References:
JP8182333A
JP2119574A
JP270269A
JP63127282U