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In a short transmission line, if the impedance of the line is (0.01 + j0.15) per unit when the load current is 1.0 p.u. at 0.8 lag power factor and the receiving end voltage Vr = 1.0 p.u, what is the regulation of the line?
  • a)
    0.8%
  • b)
    0.9%
  • c)
    9.8%
  • d)
    1%
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
In a short transmission line, if the impedance of the line is (0.01 + ...
Given that, impedance = (0.01 + j 0.15) p.u.
Resistance (R) = 0.01 p.u.
Reactance (X) = 0.15 p.u.
Voltage regulation
% V.R = [R cos ϕr + X sin ϕr] × 100
= [0.01 × 0.8 + 0.15 × 0.06] × 100
= 0.098 × 100 = 9.8%
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In a short transmission line, if the impedance of the line is (0.01 + j0.15) per unit when the load current is 1.0 p.u. at 0.8 lag power factor and the receiving end voltage Vr = 1.0 p.u, what is the regulation of the line?a)0.8%b)0.9%c)9.8%d)1%Correct answer is option 'C'. Can you explain this answer?
Question Description
In a short transmission line, if the impedance of the line is (0.01 + j0.15) per unit when the load current is 1.0 p.u. at 0.8 lag power factor and the receiving end voltage Vr = 1.0 p.u, what is the regulation of the line?a)0.8%b)0.9%c)9.8%d)1%Correct answer is option 'C'. Can you explain this answer? for Electrical Engineering (EE) 2024 is part of Electrical Engineering (EE) preparation. The Question and answers have been prepared according to the Electrical Engineering (EE) exam syllabus. Information about In a short transmission line, if the impedance of the line is (0.01 + j0.15) per unit when the load current is 1.0 p.u. at 0.8 lag power factor and the receiving end voltage Vr = 1.0 p.u, what is the regulation of the line?a)0.8%b)0.9%c)9.8%d)1%Correct answer is option 'C'. Can you explain this answer? covers all topics & solutions for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a short transmission line, if the impedance of the line is (0.01 + j0.15) per unit when the load current is 1.0 p.u. at 0.8 lag power factor and the receiving end voltage Vr = 1.0 p.u, what is the regulation of the line?a)0.8%b)0.9%c)9.8%d)1%Correct answer is option 'C'. Can you explain this answer?.
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