1. 4s/(1+s/4)(1+s/10)2
2. 4(1+s/4)/(1+s/10)2
3. 0.25/(1+s/4)(1+s/10)
4. 0.25/(1+s/4)(1+s/10)2
0.25/(1+s/4)(1+s/10)2
1. 3.12 kW/km/phase
2. 4.84 kW/km/phase
3. 8.70 kW/km/phase
4. none of these
3.12 kW/km/phase
1. 1,2 and 3
2. 1 and 2
3. 2 and 3
4. 1 and 3
1,2 and 3
1. 200Ω
2. 800Ω
3. 400Ω
4. 100Ω
5.
400Ω
1. lightning overvoltage
2. switching overvoltage
3. corona inception voltage
4. radio and TV interference
switching overvoltage
1. 1 MΩ
2. 10 MΩ
3. 0.1 MΩ
4. 0.01Ω
0.1 MΩ
1. short line
2. medium line
3. long line
4. data is not sufficient decision
long line
1. reduce the Short circuit current
2. improve system stability
3. decreases system Stability
4. increase the short circuit current
decreases system Stability
1. 30 kV
2. 20 kV
3. 80kV
4. -30 kV
20 kV
1. takes negative VAr at sending end and zero VAr at receiving end
2. takes positive VAr at sending end and zero VAr at receiving end
3. has flat voltage profile and unity power factor at all points along it
4. has sending end voltage higher than receiving end voltage and unity power factor at sending end
takes negative VAr at sending end and zero VAr at receiving end