Question
Download Solution PDFThe power transfer in long transmission lines is limited by:
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFPower flow in transmission line
The real power at receiving end is given by:
\(P_R={V_SV_R\over X}sinδ\)
where, VS = Sending end voltage
VR = Receiving end voltage
X = Line reactance
δ = Load angle
The real power will flow between the source and load when the value of δ is not equal to zero.
The reactive power at receiving end is given by:
\(Q_R={V_R\over X}(V_Scos\delta-V_R)\)
The reactive power will flow between the source and load when the magnitude of sending and receiving voltages are not equal.
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