The capacitance between the line to neutral of a three-phase 50 Hz, 66KV overhead line conductors with horizontal configuration is 7.7X 10- Farad/ph/m. Then the line to line capacitive reactance in 2/km is ....
Q: Problem 1. A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged…
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Q: The capacitance between the line to neutral of a three-phase 50 Hz, 66KV overhead line conductors…
A: Frequency is given f = 50 Hz Capacitance is given C=8.3×10-7 Farad/ph/m Capacitive reactance is…
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Q: 4. A 3-phase overhead transmission line has its conductors arranged at the corners of an equilateral…
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Q: The capacitance between the line to neutral of a three-phase 50 Hz, 66KV overhead line conductors…
A: Capacitance between line to neutral i.e. phase capacitance is 7.4*10-7Farad/m Now in a 3-phase…
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Q: Problem 1. A 60-Hz three-phase, three-wire overhead line has solid cylindrical conductors arranged…
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Q: The inductive reactance of the line conductor is 60 Ω per km, then the inductance of the conductor…
A: Inductance X= 60ohm/km Lenth L= 41km
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Q: The capacitance between the line to neutral of a three-phase 50 Hz, 66KV overhead line conductors…
A: Capacitance between line to neutral C= 8.5×10-7 F/ph/m Frequency f= 50Hz Reactance Xc ?
Q: A 3-phase 60-Hz line has flat horizontal spacings. The conductors have an outside diameter of 3.28…
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A: Given data, D12=D23=25 ft.D12=D23=762 cmD31=42 ftD31=1280.16 cm The approxmiate the diameter of the…
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- Consider a 3-phase, 50 HZ, 11 KV distribution system. Each of conductors is suspended by an insulator string having two identical porcelain insulators. The self-capacitance of the insulator is 5 times the shunt capacitance between link and ground. Find the voltages across two insulators.The mutual inductance coupling coefficient standard unit is .. * Ohm Henery O Unit-less MhoEach 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.
- Subject - Design electrical circuits for single phase AC networks Question - Compare the effect of varying resistance, capacitance and inductance in a pararllel and series AC circuits on voltage resistance and impedance.For transferring electrical power at 220 kV, six conductors of ACSR Drake constitute a 60Hz double circuit three phase line arranged as shown below. The vertical spacing between consecutive conductors is 14ft; the longer horizontal distance is 32ft whereas the shorter horizontal distance is 25ft. a. Find the inductance per phase per mile and the inductive reactance per phase in ohms per mile. b. Find the capacitive reactance to neutral in ohm-miles. c. Find the resistance per phase per mile in ohms per miles. d. If the length of the line is 90 miles then draw an equivalent circuit of the line and analyse the open circuit and short circuit performance of the line. e. Find the maximum power we can transmit over the line. f. If the line is delivering power to a load of 20MW at 0.8 power factor lagging then find the voltage at the receiving end of the line. Also, Determine the voltage regulation, losses and efficiency of the line. g. If a fixed shunt compensation of 3 MVAr is attached at…A three-phase balanced load of 15A per phase is supplied by a steel wire armoured cable with a c.s.a. of 2.5mm². The voltage drop for this cable is 15mv/A/m and the circuit is 40m long. Calculate the voltage drop in the cable.
- Subject - Design electrical circuits for single-phase AC networks Question - Compare the effect of varying resistance, capacitance and inductance in parallel and series AC circuits on voltage, resistance and impedanceDerive the equation of Capacitance per phase for the 3-phase double circuit line with hexagonal spacing. (transposition of conductors is not required)please solve for nodal stress method. (if it is possible to apply supernodes)
- 2.5 A 3-phase single circuit bundled conductor line with two sub-conductors per phase has horizontal spacing with 6.1 m between the centre lines of adjacent phases. The distance between the sub- conductors of each phase is 30.5 cm and each sub-conductor has a diameter of 2.54 cm. Find the inductance per phase per km. [0.988 mH]Consider the 500 kV, three phase bundled conductor line as shown in the figure below. Find the line to neutral capacitance. 0.5 m 30 mm (0) (O to Ine 15 m 15 mQuest- A single phase 50 Hz, system supplies an inductive load of 5000 kw at power factor 0.8 lag through a line 25 km. Resistance of the line is 0.0195 2/km and inductance = 0.36 mH/km, receiving end voltage is 10 kV. A capacitor is connected across the load to get the voltage regulation of 10%. Ratio of transmission line loss with and without shunt capacitor is