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. 20, 2018
Filed:
Feb. 25, 2015
Sanken Electric Co., Ltd., Niiza-shi, Saitama, JP;
Denso Corporation, Kariya-shi, Aichi, JP;
Yutaka Suehiro, Niiza, JP;
Tetsuya Ueda, Niiza, JP;
Shizuo Tsuchiya, Gifu, JP;
Atsushi Mise, Nagoya, JP;
Sanken Electric Co., Ltd., Niiza-shi, JP;
DENSO CORPORATION, Kariya-shi, JP;
Abstract
The invention includes: charging/discharging devices including storage batteries and having a grid-connected function to perform charging/discharging operations on an electric power system and an islanded-operation function to supply the electric power system with a constant-voltage constant-frequency electric power; a monitor detects an electric power state of the charging/discharging device and to transmit detection output to the charging/discharging device; and a switching unit connects and disconnects commercial power source to and from electric power system. When a commercial power source is normal, the switching unit connects the commercial power source to the electric power system and charging/discharging devices establish a grid connection. When commercial power source fails, switching unit disconnects commercial power source from electric power system, charging/discharging device performs an islanded operation, and charging/discharging device performs a charging/discharging operation according to a detection output of monitor and performs control so that islanded operation electric power of charging/discharging device becomes constant.