Title:
METHOD FOR OPERATING POWER UNIT
Document Type and Number:
Japanese Patent JPH11146661
Kind Code:
A
Abstract:
To control an output current of a power unit with high accuracy, by eliminating the adverse influence of the time until the voltage of a filter capacitor is established on the accuracy of a low current domain immediately after starting the power unit.
A power unit is provided with a filter capacitor 3 and a switch 6 for starting on its output side and supplies its output current which linearly rises immediately after the power unit is started by turning on the switch 6 to an inductive load. The power unit is started by turning on the switch 6 after a load voltage is established in advance across both ends of the filter capacitor 3 by charging the capacitor.
Inventors:
MIURA TSUKASA
EGUCHI NAOYA
EGUCHI NAOYA
Application Number:
JP22887898A
Publication Date:
May 28, 1999
Filing Date:
August 13, 1998
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
H05H13/04; G05F1/56; H02J1/00; H02J1/02; H02M3/00; H02M7/48; H02M9/00; (IPC1-7): H02M9/00; H02J1/02; H05H13/04
Attorney, Agent or Firm:
Yuichi Morita