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:
Jan. 09, 2018
Filed:
May. 24, 2012
Kunihiro Nakao, Osaka, JP;
Koji Yakire, Osaka, JP;
Tomoyuki Hirai, Osaka, JP;
Satoshi Nagata, Tokyo, JP;
Kunihiro Nakao, Osaka, JP;
Koji Yakire, Osaka, JP;
Tomoyuki Hirai, Osaka, JP;
Satoshi Nagata, Tokyo, JP;
Osaka Gas Co., Ltd., Osaka, JP;
Wind Engineering Center Co., Ltd., Tokyo, JP;
Abstract
When an AC line of one local system and a power system are in a parallel-off state, a control device included in a power supply system causes local inverter devices of the local systems to operate in a parallel-off operation mode in which control is performed such that the voltage and frequency of power on the AC line is at a target voltage and a target frequency determined according to the state of charge of a power storage device. When a condition for switching to the connected state has been satisfied, the control device stops operation of the local inverter device in the parallel-off operation mode and causes a switch to the connected state by operating the interrupting device, and thereafter causes the local inverter device to operate in a charging operation mode used in charging the power storage device with supplementary power received from the power system.