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

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Text this: Robust phase locked loop for grid synchronization of distributed power generation systems