Title:
CONVERTER
Document Type and Number:
Japanese Patent JP3637713
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To feed electric power to output side whether a switching element is conducted or not, by forming a rectifier which is connected to the secondary winding of a high frequency transformer, out of half wave voltage doubler rectifier.
SOLUTION: High frequency voltage where DC voltage supplied by a DC power source 11 is turned off by a switching element 3 is applied to the primary winding 4a of a high frequency transformer 4. The high frequency voltage induced to the secondary coil 4b is subjected to half wave voltage doubler rectifier by a rectifying means 16 connected to the secondary winding 4b., and applied to a frequency converting circuit 7 through a filter 13. The electric current supplied to the frequency converting circuit 7 from the filter 13 is constant. A controlling means 8 controls the continuity time of switching elements 7a to 7d which form the switching element 3 and the frequency converting circuit 7 so that the output current of the frequency converting circuit 7 may be commercial frequency.
Inventors:
Shinichiro Sumiyoshi
Takaaki Okude
Nobuo Motoji
Kenji Takenaka
Yoshimi Iwamoto
Masaharu Ohashi
Hidekazu Yamashita
Hideki Omori
Takaaki Okude
Nobuo Motoji
Kenji Takenaka
Yoshimi Iwamoto
Masaharu Ohashi
Hidekazu Yamashita
Hideki Omori
Application Number:
JP825797A
Publication Date:
April 13, 2005
Filing Date:
January 21, 1997
Export Citation:
Assignee:
Matsushita Electric Industrial Co., Ltd
International Classes:
H02M3/28; H02M7/48; H02M7/5387; (IPC1-7): H02M7/48; H02M3/28; H02M7/5387
Domestic Patent References:
JP63257463A | ||||
JP7194142A | ||||
JP6245387A | ||||
JP4347582A | ||||
JP3032263A |
Attorney, Agent or Firm:
Fumio Iwahashi
Tomoyasu Sakaguchi
Hiroki Naito
Tomoyasu Sakaguchi
Hiroki Naito
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