发明名称 |
AC/DC power converter using magnetic energy recovery switch |
摘要 |
An AC/DC power converter which charges a secondary battery from an AC power supply and also converts power from the secondary battery to the AC voltage is provided. A capacitor C is connected to DC terminals of the four reverse-conductive type semiconductor switches in a single-phase bridge structure, and a secondary battery is connected via a DC inductance to the semiconductor switches. The semiconductor switches are connected via an AC inductance L with an AC power supply and opposing pairs of the semiconductor switches are alternately turned ON/OFF in synchronization with the phase of the supply voltage. When an AC power supply with a frequency which is lower than the resonance frequency of the LC is connected, the switching will be carried out in a zero-voltage-zero-current condition and AC/DC reversible power conversion is possible just through the control of the gate phase of the switches.
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申请公布号 |
US8097981(B2) |
申请公布日期 |
2012.01.17 |
申请号 |
US20080525542 |
申请日期 |
2008.01.25 |
申请人 |
SHIMADA RYUICHI;USUKI KAZUHIRO;TOKYO INSTITUTE OF TECHNOLOGY |
发明人 |
SHIMADA RYUICHI;USUKI KAZUHIRO |
分类号 |
H02J1/00 |
主分类号 |
H02J1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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