Question
Download Solution PDFA single-phase overhead transmission line delivers 990 kW at 33 kV at 0.8 p.f. lagging. Find the line current.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept
The power in a single-phase overhead transmission line is given by:
\(P=V_LI_Lcosϕ\)
where, P = Active power
VL = Line voltage
IL = Line current
cosϕ = Power factor
Calculation
Given, P = 990 kW
VL = 33 kV
cosϕ = 0.8
\(990\times 10^3=33\times 10^3\times I_L\times 0.8\)
IL = 37.5 A
Last updated on May 29, 2025
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