METHOD AND DEVICE FOR DETERMINING CURRENT OF ELECTRIC MOTOR OR GENERATOR

Title:

METHOD AND DEVICE FOR DETERMINING CURRENT OF ELECTRIC MOTOR OR GENERATOR

Document Type and Number:

WIPO Patent Application WO/2022/085866

Kind Code:

A1

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 filtering 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.

Inventors:

SUNG SO YOUNG (KR)
KANG HEE JIN (KR)
SHIM HYUNG WON (KR)
KIM YOUNGSHIK (KR)
KIM YUNHO (KR)
HONG JANG PYO (KR)

Application Number:

PCT/KR2020/095141

Publication Date:

April 28, 2022

Filing Date:

November 11, 2020

Export Citation:

Click for automatic bibliography generation Help

Assignee:

KOREA INST OCEAN SCI & TECH (KR)

International Classes:

H02P21/22; H02P21/14; H02P27/00; H03H17/04; H03H17/06

Foreign References:

KR20180007213A	2018-01-22
JP2020170354A	2020-10-15
JP2017135513A	2017-08-03
KR20150011779A	2015-02-02
KR20130080701A	2013-07-15

Other References: