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:
Nov. 11, 2014
Filed:
Sep. 06, 2010
Shinichi Furutani, Tokyo, JP;
Akiko Tabuchi, Tokyo, JP;
Kazuhiko Tsutsui, Tokyo, JP;
Yoji Tsutsumishita, Tokyo, JP;
Jun Hattori, Tokyo, JP;
Manabu Ohashi, Tokyo, JP;
Shinichi Furutani, Tokyo, JP;
Akiko Tabuchi, Tokyo, JP;
Kazuhiko Tsutsui, Tokyo, JP;
Yoji Tsutsumishita, Tokyo, JP;
Jun Hattori, Tokyo, JP;
Manabu Ohashi, Tokyo, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
In the case where DC power from a DC power supply is converted to AC power by an inverter and supplied to an AC motor, a power compensator is connected in parallel with a DC power input portion of the inverter, and a control device of the power compensator charges/discharges a power storage device to perform a power compensation process A when power demand for the AC motor exceeds a predetermined value, and takes into account power allowance which can be inputted and outputted from the DC power supply to the power storage device and performs a power storage adjustment process B of performing auxiliary charge of the power storage device within the range of the power allowance when the power compensation process A is unnecessary.