【简答题】A 138 kV, 200 MVA, 60 Hz, three-phase, power transmission line is 100 km long, and has the following characteristics: r = 0.103 Ω/km x = 0.525 Ω/km y = 3.3×10^(-6) S/km a) What is per phase series imp...
【单选题】(1) Some strange and disturbing events have happened around extra-high-voltage electrical lines. (2) The lines often glow a weird blue. (3) _____, they can cause unconnected fluorescent bulbs to light...