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 _    _     _____     _____     ______    ______  
| |  | ||  |  ___||  / ____||  /_   _//  /_   _// 
| |/\| ||  | ||__   / //---`'   -| ||-   `-| |,-  
|  /\  ||  | ||__   \ \\___     _| ||_     | ||   
|_// \_||  |_____||  \_____||  /_____//    |_||   
`-`   `-`  `-----`    `----`   `-----`     `-`'

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Text this: Design and development of neutral-point clamped (NPC) inverter