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:
May. 11, 2021
Filed:
Sep. 29, 2017
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Toshio Tomita, Tokyo, JP;
Kenichi Saito, Tokyo, JP;
Yuuta Iwase, Tokyo, JP;
Masahiro Sano, Tokyo, JP;
Hitachi Industrial Equipment Systems Co., Ltd., Tokyo, JP;
Abstract
Provided are a data obtaining method, an inverter, and a rotating electric machine capable of managing the operation state of a device without complicating the configuration thereof. Therefore, the data obtaining method uses an inverter for controlling a synchronous electric motor, wherein a position/speed calculation unit of the inverter calculates an electric angle of the synchronous electric motor from the value of the current flowing between the synchronous electric motor and the inverter and obtains data for each electric angle by sampling internal data within the inverter, said internal data being used for controlling the synchronous electric motor in synchronization with the information of the electric angle.