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:
Oct. 17, 2017
Filed:
Sep. 08, 2016
Lsis Co., Ltd., Gyeonggi-do, KR;
Research Cooperation Foundation of Yeungnam University, Gyeongsangbuk-do, KR;
Hak-Jun Lee, Gyeonggi-do, KR;
Anno Yoo, Gyeonggi-do, KR;
Se-Hwan Kim, Gyeonggi-do, KR;
Jul-Ki Seok, Gyeonggi-do, KR;
LSIS CO., LTD., Gyeongsan-Si, KR;
RESEARCH COOPERATION FOUNDATION OF YEUNGNAM UNIVERSITY, Gyeongsangbuk-Do, KR;
Abstract
Disclosed embodiments relate to apparatuses, methods, and systems for restarting an induction machine. In some embodiments, a method includes estimating a position of a rotor and a speed thereof in a position and speed estimation Operation, resetting a speed reference to correspond to the speed of the rotor in a speed reference resetting Operation, generating a control voltage corresponding to the speed reference to regulate a voltage magnitude using the control voltage in a voltage magnitude regulation Operation, and re-accelerating the induction machine up to a target speed after the regulation of the voltage magnitude in a re-acceleration Operation.