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:
Feb. 02, 2021
Filed:
May. 08, 2017
Mitsubishi Electric Corporation, Tokyo, JP;
Nobuhiro Kihara, Tokyo, JP;
Yuta Komatsu, Tokyo, JP;
Takashi Kaneyama, Tokyo, JP;
Masaki Sawamura, Tokyo, JP;
Noriyuki Wada, Tokyo, JP;
Yuya Tanaka, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
A power conversion device including an intermediate capacitor that carries out a charging and discharging operation and a voltage sensor that detects a voltage of the intermediate capacitor, and including a current sensor that detects a current flowing in a reactor, and an abnormality determining unit that determines that there is an abnormality of the voltage sensor using a current value calculated based on a detected value from the current sensor, wherein a gain error, an offset error, and a sticking error of the voltage sensor can be detected.