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The surge impedance of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading (SIL) is
- a)400 MW
- b)100 MW
- c)1600 MW
- d)200 MW
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
The surge impedance of a 3-phase, 400 kV transmission line is 400 ]...
SIL = ((kVL)2/Z0)MW
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Most Upvoted Answer
The surge impedance of a 3-phase, 400 kV transmission line is 400 ]...
Explanation:
Surge Impedance of a transmission line is given by the formula,
Z0 = (L/C)^0.5
Where Z0 is the surge impedance in ohms, L is the inductance in henries per unit length, and C is the capacitance in farads per unit length.
Given, Z0 = 400 ohms.
Now, the surge impedance loading (SIL) is given by the formula,
SIL = V^2/Z0
Where V is the voltage in kilovolts.
Given, V = 400 kV.
So, SIL = (400)^2/400 = 400 MW.
Therefore, the correct answer is option A) 400 MW.
Conclusion:
The surge impedance of a 3-phase, 400 kV transmission line is 400. The surge impedance loading (SIL) is 400 MW.
Surge Impedance of a transmission line is given by the formula,
Z0 = (L/C)^0.5
Where Z0 is the surge impedance in ohms, L is the inductance in henries per unit length, and C is the capacitance in farads per unit length.
Given, Z0 = 400 ohms.
Now, the surge impedance loading (SIL) is given by the formula,
SIL = V^2/Z0
Where V is the voltage in kilovolts.
Given, V = 400 kV.
So, SIL = (400)^2/400 = 400 MW.
Therefore, the correct answer is option A) 400 MW.
Conclusion:
The surge impedance of a 3-phase, 400 kV transmission line is 400. The surge impedance loading (SIL) is 400 MW.
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Community Answer
The surge impedance of a 3-phase, 400 kV transmission line is 400 ]...
SIL =(V)^2�Z
=400^2/400
=400
=400^2/400
=400
Hence option (A) is correct
To read more about surge impedance and get short notes for the same click on the link given below:
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The surge impedance of a 3-phase, 400 kV transmission line is 400 Ω. The surge impedance loading (SIL) isa)400 MWb)100 MWc)1600 MWd)200 MWCorrect answer is option 'A'. Can you explain this answer?
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