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:
Mar. 11, 2025
Filed:
Sep. 07, 2020
Dongwoo Electric Corp., Pyeongtaek-si, KR;
Chungbuk National University Industry-academic Cooperation Foundation, Cheongju-si, KR;
Sun Woo Kim, Hwaseong-si, KR;
Jong-Phil Hong, Sejong-si, KR;
DONGWOO ELECTRIC CORP. & CHUNGBUK NATIONAL, Pyeongtaek, KR;
UNIVERSITY INDUSTRY-ACADEMIC COOPERATION FOUNDATION, Cheongju-si, KR;
Abstract
An insulation monitoring device, according to various embodiment of the present application, comprising an impedance formed between a power line and a ground of a system comprises, a signal generation circuit for applying a triangular wave signal to the power line through a signal measurement circuit, the signal measurement circuit for measuring a voltage difference across the detection resistor of the signal measurement circuit or a current flowing through the detection resistor when the triangular wave signal is applied to the impedance, a control circuit for obtaining an impedance value of the impedance based on at least one of the voltage difference and the current, and monitoring the impedance value.