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  _____      ___      _  _    _    _     _  __  
 /  ___||   / _ \\   | \| || | || | ||  | |/ // 
| // __    / //\ \\  |  ' || | || | ||  | ' //  
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Text this: Interleaved bi-directional Dual Active Bridge DC-DC converter for interfacing ultracapacitor in micro-grid application