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  &  & Line Winding & Valve Windiing & Valve Windiing \

 Rated Voltage &  &  & Star & Delta \
  Rated voltage at tap ddag 0, phase to earth & {$kV_{rms}$} & {$525/sqrt3$} & {$210.4/sqrt3$} & 210.4\
Rated power {$(S_{N2w})$} & MVA & 297.5 & 297.5 & 297.5\
Current ratings, bipolar operation &  &  &  &\
 Rated continuous current, without redundant & {$A_{rms}$} & 982 & 2449 & {$2449/sqrt3$}\
cooling in service, at nominal tap &  &  &  & \
Line winding tap changer regulating range &  &  &  &  \
Number of steps &  & +25/-5 &  &  \
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