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A three phase, 50 Hz transmission line operates at 220 kV. The line has 400 Ω surge impedance. If the voltage grade of line is upgraded to 400 kV then how much surge impedance loading (SIL) is increased with respect to the SIL at 200 kV
279 MVA
200 MVA
300 MVA
400 MVA
279 MVA
Quick Summary: Practice and solve "A three phase, 50 Hz transmission line operates at 220 kV. The line has 400 Ω surge impedance. If th..." for Electrical - Power Generation. The correct answer is Option A: 279 MVA. Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.
Answer:
Option **(a) **