Title:
AC-DC CONVERTER
Document Type and Number:
Japanese Patent JPH0495108
Kind Code:
A
Abstract:
PURPOSE:To stably keep a DC output regardless of disturbance of an input voltage by controlling a current by the output of a sine wave data generating means and the output of an output voltage detecting means. CONSTITUTION:A phase detecting means 10 which detects the phase of an input AC voltage is provided, and the sine wave data generating means which generates sine wave data corresponding to the input AC voltage by the output of the phase detecting means 10 and a current control command generating means are provided in a control circuit 12. The current control command generating means generates a current control command by the output of the sine wave data generating means and the output of an output voltage detecting means 11. Thus, the current control command is generated by sine wave data which is not affected by noise, and the input current is kept correspondingly to the original input AC voltage which does not include the noise even if the input AC voltage whose phase should be detected is disturbed by noise or the like, and the DC output is stably kept.
Inventors:
MOTOKI TAKAHIRO
Application Number:
JP20799790A
Publication Date:
March 27, 1992
Filing Date:
August 08, 1990
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP
International Classes:
H02M7/21; G05F1/613; H02M7/12; (IPC1-7): G05F1/613; H02M7/21
Attorney, Agent or Firm:
Shinichi Kusano