Abstract: The simultaneous online estimation algorithm of rotor time constant and rotor speed for a speed-sensorless induction machine is proposed. With a small ...

Nidec Corporation hereby announces that at the Board of Directors meeting held today, it was resolved to post the contents of the attachment on its Internet website ...

Abstract: This paper reviews the application of multi-function motor protection relays to motors that are connected by variable frequency drives (VFD). Typical VFD internal motor protection functions ...

One technology driving this change is low-power AC drive technology. Variable frequency drives (VFDs), also known as AC drives, play a crucial role in industrial automation by offering precise control ...