Answer to Question #223632 in Electrical Engineering for ROYCE

Question #223632

Power station A delivers 640 MVA to its consumers at a power factor of 0.766 lagging.

Power station B delivers 560 MVA to its consumers at a power factor of 0.7071 lagging.    

   

Two three-phase generating power stations A and B work at (86.077+j18.296) kV and (131.277+j13.798) kV respectively.The two power stations are inter-connected via a transmission line with an impedance of (6.59+j16.672) Ω/phase. The phase-regulator at power station A is adjusted such as to reduce the loading at power station A by 82 MW.

     

Take machine A as leading machine.

Use standard formulae to the following calculations.



Determine the total active power delivered or received by Power station A (Pi) in MW


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Expert's answer
2021-08-06T04:51:44-0400

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