The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2017
Filed:
Feb. 16, 2015
Daikin Industries, Ltd., Osaka-Shi, Osaka, JP;
Keisuke Ohta, Kusatsu, JP;
DAIKIN INDUSTRIES, LTD., Osaka-Shi, JP;
Abstract
A voltage of a reactor taking a potential on a side of a capacitor as a reference is detected. A correction coefficient which is made smaller as a first voltage control rate command becomes smaller is calculated, the first voltage control rate being a ratio of an amplitude of an AC voltage, which is outputted by a power converter, to an average value of the DC voltage. A correction is made to subtract a correction amount obtained by multiplying the voltage of the reactor by the correction coefficient from the first voltage control rate command, so that a second voltage control rate command is generated. A switching signal which is generated based on a second voltage control rate command is given to the power converter.