electricpy.tap_changing_transformer

electricpy.tap_changing_transformer(Vgen, Vdis, Pload, Qload, R, X)[source]

Calculate Turn Ratio of Load Tap Changing Transformer.

The purpose of a tap changer is to regulate the output voltage of a transformer. It does this by altering the number of turns in one winding and thereby changing the turns ratio of the transformer

\[\sqrt{\frac{Vgen^2}{Vgen \cdot Vdis - R \cdot P - X \cdot Q}}\]
Parameters:

  • Vgen (float) – Generating station voltage

  • Vdis (float) – Distribution network voltage

  • Pload (float) – Transmission line load active power in Watt

  • Qload (float) – Transmission line load reactive power in VAR

  • R (float) – Resistance of transmission line

  • X (float) – Reactance of transmission line

Returns:

ts – Turns ration of transformer

Return type:

float