LAHORE: To enhance its power transmission capacity, the National Transmission and Despatch Company (NTDC) has successfully energized a second 250MVA autotransformer at 220kV Grid Station WAPDA ...

LAHORE, Nov 28 (APP): The National Transmission and Despatch Company (NTDC) has successfully energised 2nd 250 MVA autotransformer at 220 kV Grid Station WAPDA Town Lahore to enhance its power ...

Abstract: This paper presents an AC-AC direct single-phase converter by using an auto transformer approach and impedance network. It has buck-boost operation in a single-stage direct AC-AC conversion.