| 摘要 |
PROBLEM TO BE SOLVED: To provide a cascaded H-bridge inverter which can realize a bypass function through control of a power switch, instead of allowing each unit power cell to use a separate bypass switch.SOLUTION: A cell driver controls each power switch in a freewheeling mode to allow a current inputted to one output terminal to flow other output terminals when a bypass function is performed for a relevant unit power cell. An effect of cost reduction can be accomplished, because the use of an additional bypass switch such as a MC (Magnetic Conductor) is not required. |
