<P> V = (1 ∠ α - 1 ∠ α + 120 °) √ 3 * V ∠ α + 30 ° </P> <P> V = √ 3 * V ∠ α + 150 ° </P> <P> (α = 0 in this case) </P> <P> In the delta circuit, loads are connected across the lines, and so loads see line - to - line voltages: </P>

When is a three phase supply system called balanced supply system