Electrical Engineering 4.0 m) 1819 18.9 m m 7.3 m 44.5 m b 33.8 m CA 25.3 m Electrical Power Systems 47.5m 3-phase 400 kV 2 bundle conductors per phase Completely transposed 0.032 m 0.4 m Calculate an inductance per phase assume that 1₂0,0 is equal 18.9m.
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- What is the capacitance per kilometer per phase of a single circuit, two bundle conductor line with horizontal configuration? The distance between the bundled conductors is 30 cm and the diameter of each conductor is 5cm. The distance between the centers of the bundle is 5mChoices: 0.0132uF/km 0.0126 uF/km 0.0143uf/km 0.0116uF/km Please in typing format pleaseWhich termination would result to a phase change of 180 degrees at the load if Zo = 100 ohm? a. 50 ohm b. short circuit c. 75 ohm d. all of these What is the purpose of impedance matching? a. maximum return loss b. maximum SWR c. maximum load power d. maximum reflection A short piece of transmission line that may be open or shorted and used for impedance matching purposes. a. converter b. decoder c. stub d. transformerThe three conductors A, B and C of a 3-φ line are arranged in a horizontal plane with DAB = 2 m and DBC= 2·5 m. Find line-to-neutral capacitance per km if diameter of each conductor is 1·24 cm. The conductors are transposed at regular intervals. [0·0091 μF/km]
- Briefly explain about a) Primary transmission b) Secondary transmission c) Primary distribution d) Secondary distributionA generator of 50 MVA, 4kV, Xd" = 25% and transformer of 50 MVA, 4 2 kV, delta/115 kV wye grounded, operating on 3.8 kV tap where XT" = 10% are to be connected into single equivalent reactance. What is the single equivalent reactance on a 100 MVA, 110 kV base? A. j0.6039 pu B. j0.6667 pu C. j0.8241 pu D. j0.8663 pu The answer for this is letter C based in my reviewer but I dont know the solution. Please send me solution for thisDiscuss why a. Complex power in an AC circuit is more than the DC resistance. b. Receiving end voltage of an unloaded long line may be more than sending end voltage. c. Inductance of the three phase of a transmission line are generally not equal. d. It is necessary to use the geometric means radius in the formula for the inductance calculation whereas the formula for the capacitance calculation uses the actual radius.
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- A single circuit three phase 50 Hz, 50 km transmission line consists of three conductors arranged in triangle. d1=4m, d2=13 m and d3=16 m. The radius is 0.65 cm. Calculate a) GMD b)Capacitance per km c) Total capacitance and d) Total capacitive reactance of the lines. Assume GMD? Answer for part 1 Capacitance per km? Answer for part 2 Total Capacitance? Answer for part 3 Total Capacitive reactance (XC)? Answer for part 4Each line of a 3-phase system given in figure is suspended by a string of 5 identical disks and the ratio of C1/C=0.1 (Shunt capacitance per self-capacitance) is given. If the string is connected to line of voltage 33kV. a) What is the voltage distribution over the unit of string and what is the string efficiency? b) When the string is supplied by a Guard Ring and this lead to add a two air capacitance of value 0.2C, 0.1C respectively to the nearest to the conductor. Find the new voltage distribution and the new efficiency.In the circuit, using the MAXWELL'S METHOD determine the current in each branch Expected answers: (Acquired using nodal method) I1 = 0.19995<145.4287 degrees, A I2 = 0.56071 <6.37660 degrees, A I3= 0.430547 <150.96340 degrees, A