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:
Sep. 17, 2024
Filed:
Oct. 21, 2020
Daikin Industries, Ltd., Osaka, JP;
Takayuki Miyajima, Osaka, JP;
DAIKIN INDUSTRIES, LTD., Osaka, JP;
Abstract
A power conversion apparatus that converts an input alternating current power supplied from an alternating current power supply into an output alternating current power having a predetermined voltage and frequency, includes an inverter circuit configured to supply the output alternating current power to a motor, and a compensation unit configured to compensate for a harmonic of an input power of the motor, and the compensation unit detects a harmonic component generated in synchronism with a speed of the motor in the input power, and varies a phase of an alternating current voltage output from the inverter circuit at the same frequency as the harmonic component, so as to reduce the harmonic component.