Voltage drop calculation for radial supply system

[wsharrock]

Voltdrop calculations are made as shown below.

Total loadLine currentI=1.5/−60∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯+2.3/−18∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
=(0.75−j1.3)+(2.19−j0.71) <<< (How to get to these numbers only from above??)
=(2.94−j2.01
)=3.56/−34.4∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯MVA

 

[cnh1995]

Voltdrop calculations are made as shown below.

Total loadLine currentI=1.5/−60∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯+2.3/−18∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯
=(0.75−j1.3)+(2.19−j0.71) <<< (How to get to these numbers only from above??)
=(2.94−j2.01
)=3.56/−34.4∘⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯⎯MVA

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