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1. (WO2017064864) ELECTRIC POWER CONVERSION DEVICE AND POWER CONDITIONER USING SAME

Pub. No.:    WO/2017/064864    International Application No.:    PCT/JP2016/004548
Publication Date: Fri Apr 21 01:59:59 CEST 2017 International Filing Date: Thu Oct 13 01:59:59 CEST 2016
IPC: H02M 7/48
Applicants: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
パナソニックIPマネジメント株式会社
Inventors: KIDERA, Kazunori
木寺 和憲
NISHI, Mariko
西 真理子
ITOH, Kazuo
伊藤 和雄
Title: ELECTRIC POWER CONVERSION DEVICE AND POWER CONDITIONER USING SAME
Abstract:
Provided is an electric power conversion device that can further improve electric power conversion efficiency. Also provided is a power conditioner that uses the electric power conversion device. According to the present invention, a first bidirectional switch (13) is electrically connected between a first connection point (201) and a second connection point (202). A second bidirectional switch (14) is electrically connected between a third connection point (203) and a fourth connection point (204). A power conversion device (1) that also comprises first, second, third, and fourth protection diodes (D101-D104). A control unit (6) has an operation mode that includes a protection mode wherein first, second, third, and fourth switching elements (Q1-Q4) and fifth, sixth, seventh, and eighth switching elements (Q5-Q8) are all turned off during each of a plurality of dead times during which a connection state is being switched.