## Demonstrative Video

### Problem-1:

Each conductor of the bundle conductor line is shown in figure.

Find the inductive reactance per kilometer per phase for d = 45 cm. Consider the GMR as 8 cm.

Find the per unit series reactance of the line if its length is 160 km and the base is 100 MVA, 345 kV.

### Solution-1:

### Problem-2:

Find the capacitive reactance and susceptance per kilometer of a single phase line operating at 50 Hz. The spacing between the centers is 6 m and the diameter of conductor is 1.608 cm.

### Solution-2:

### Problem-3:

Find the capacitance and capacitive reactance for 1 km of a single circuit of a three phase line operated at 50 Hz as shown in fig. If the length of the line is 280 kms and the normal operating voltage is 220 kV, find the capacitive reactance to the neutral for the entire length of the line, charging current per km and the total charging megavolt amperes. Diameter of each conductor is 2.772 cm.

### Solution-3:

### Problem-4:

Calculate the capacitance to neutral /km of a single phase line composed of No.2 single strand conductors having diameter of 0.656 cm spaced 300 cm apart and 750 cm from the ground. a) Consider the presence of ground effect b) neglect the ground effect. Compare the results.

### Solution-4:

### Problem-5:

A three phase double circuit line is shown in fig . The diameter of each conductor is 2.0cm. The line is transposed and carries balanced load. Find the capacitance per phase to neutral of the line.

### Solution-5:

### Problem-6:

Find the susceptance to neutral per Kilo meter of a double circuit three phase line with transposition as shown in fig. Given D=7m and radius of each of the six conductors is 1.38cm.