Difference between turn ratio and transformation ratio star delta transformer
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The primary winding is star star (Y) connected with grounded neutral and the secondary winding is delta connected. This connection is mainly used in step down transformer at the substation end of the transmission line. The ratio of secondary to primary line voltage is 1/√3 times the transformation ratio.
The primary winding is star star (Y) connected with grounded neutral and the secondary winding is delta connected. This connection is mainly used in step down transformer at the substation end of the transmission line. The ratio of secondary to primary line voltage is 1/√3 times the transformation ratio.
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