公开(公告)号：US20220094168A1

公开(公告)日：2022-03-24

申请号：US17297954

申请日：2019-10-16

Applicant: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.

Inventor： Yousuke OHTSUKI ,  Hiroaki YUASA ,  Yasuhiro MATSUDA ,  Satoshi SUGIMOTO

IPC: H02J3/38 ,  H02M7/44

Abstract: The power conversion system includes an inverter circuit. The inverter circuit performs a grid-connected operation and an independent operation. When performing the independent operation, the inverter circuit may output, via a terminal, AC power converted to a load disconnected from a power grid. When the inverter circuit performs the independent operation, a control unit controls, when operating in a first mode, the power conversion system in a first time range such that an AC voltage is applied to the terminal, and controls, when operating in a second mode, the power conversion system in a second time range different from the first time range. The second mode includes control of stopping an operation of having the AC voltage applied to the terminal.