countrytoad
Member
For a D-Y (Delta-Wye) transformer, does turns ratio refer to the actual turns ratio (and VLL-to-VLN), or to VLL-to-VLL ("apparent turns ratio")?
The problem requires a calculation of low-side voltage, through a D-Y transformer with 10:1 turn ratio. High-side voltage is 4600 Volts.
The solutions shows Vs-LL = 4600*(1/10). For my solution I calculate Vs-LN = 4600*(1/10), then Vs-LL = Vs-LN*1.7.
The problem requires a calculation of low-side voltage, through a D-Y transformer with 10:1 turn ratio. High-side voltage is 4600 Volts.
The solutions shows Vs-LL = 4600*(1/10). For my solution I calculate Vs-LN = 4600*(1/10), then Vs-LL = Vs-LN*1.7.