Crowell & Moring LLP
Data obtaining method, inverter, and rotating electric machine
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.
Hitachi Industrial Equipment Systems Co., Ltd.
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Yuuta Masahiro Toshio Kenichi
Iwase Sano Tomita Saito