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:
Dec. 09, 2025
Filed:
Nov. 11, 2020
Korea Institute of Ocean Science & Technology, Busan, KR;
So Young Sung, Seoul, KR;
Hee Jin Kang, Gyeryong-si, KR;
Hyung Won Shim, Sejong-si, KR;
Youngshik Kim, Daejeon, KR;
Yunho Kim, Daejeon, KR;
Jang Pyo Hong, Daejeon, KR;
KOREA INSTITUTE OF OCEAN SCIENCE & TECHNOLOGY, Busan, KR;
Abstract
Provided, according to one embodiment, is a method for determining a current of an electric motor or a generator, the method comprising the steps of: acquiring characteristics of a filter for eliminating noise occurring in a process for determining a current of an electric motor or a generator; determining a time delay caused by the filter, on the basis of a change in a phase indicating the characteristics of the filter, the change resulting from a change in an operating frequency of the electric motor or the generator; and determining the current of the electric motor or the generator by compensating the time delay.