factor . The arrangement of conductors of a single-phase transmission line is shown below, the forward circuit is composed of three wires 2 cm in radius and the return circuit of two wires of radius 4 cm. find the inductance of the line. 8 m 2 m 4 m 4 m 4 m 2 m Side B
Q: 7. A 3-phase line conductor 3/5 cm in diameter spaced equilaterally 1.5 m apart. If the dielectric…
A: Given data diameter = 3/5 cm spacing = 1.5 m dielectric strength = 30 kV
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Q: Question 4: A 3-phase transmission line of 100km long has its conductors of 0.5cm diameter spaced at…
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Q: a O---------- 6 m 3 m b O- 7 m 3 m C O--------- 6 m a'
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A: Given: Single phase transmission Radius of conductor, r=.45 cm Distance between conductors, d=350 cm
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A: Given Data: D = 2 cm d=1 m gmax =30 kV (max) per cm, δ = 0.952 m = 0.9.
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Q: Q3: A single circuit three-phase transmission line is composed of four ACSR conductors per phase…
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Q: Q3: A single circuit three-phase transmission line is composed of four ACSR conductors per phase…
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Q: B: A three-phase of 220 kv, 50 Hz transmission line consists of 1.5 cm radius conductor and spaced 2…
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Q: : A single circuit three-phase transmission line is composed of four ACSR conductors per phase with…
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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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- A single-phase overhead transmission line consists of two solid aluminum conductors having a radius of 3 cm with a spacing 3.5 m between centers. (a) Determine the total line inductance in mH/m. (b) Given the operating frequency to be 60 Hz, find the total inductive reactance of the line in /km and in/mi. (c) If the spacing is doubled to 7 m, how does the reactance change?In terms of line-to-line capacitance, the line-to-neutral capacitance of a single-phase transmission line is Same Twice One-halfA 40-km, 220-kV, 60-Hz, three-phase overhead transmission line has a per-phase resistance of 0.15/km, a per-phase inductance of 1.3263 mH/km, and negligible shunt capacitance. Using the short line model, find the sending-end voltage, voltage regulation, sending-end power, and transmission line efficiency when the line is supplying a three-phase load of (a) 381 MVA at 0.8 power factor lagging and at 220 kV and (b) 381 MVA at 0.8 power factor leading and at 220 kV.
- A Z0 = 50 Ω transmission line of length l = 4.25 m (with dielectric material with parameters εr = 4, µr = 1) is attached to a time-harmonic generator (V0rms = 30 V, Rg = 20 Ω f = 75 MHz). The line is terminated with a load ZL = 100 + j50 Ω. Find the complex instantaneous voltages and currents along the line and time-averaged losses in the load and generator. Find instantaneous total voltage and current along the line, and plot the complex voltage and current for the line in the following two cases: a) Assume the line is lossless b) Assume the line has a small loss equivalent to R’ = 1.2 Ω/m.A 3-phase transmission line 100 km long has its conductors of 0.5 cm diameter spaced at the corners of the equilateral triangle of 120 cm side. Find the inductance per phase of the systemthe air-filled two-wire line has a characteristic impedance of 50 Ω and is operated at f = 3GHz .the load is ZL= 100 +j40Ω . for the line above, calculation ZL on the chart the line impedance 2.5 cm from the load , the admittance, the VSWR on the line, and distance from the load to the first voltage minimum and maximum.
- 3-phase line has conductors 4 cm in diameter spaced equilaterally 2 m apart. If the dielectric strength of air is 29 kV (max) per cm, find the disruptive critical voltage for the line. Take air density factor =0.952 and irregularity factor mo = 0.9.A 3-phase transmission line of 100km long has its conductors of 0.5cm diameter spaced at the corners of the equilateral triangle of 120cm side. Find the inductance per phase of the system.A 3-phase line has conductors 6 cm in diameter spaced equilaterally 3 m apart. If the dielectric strength of air is 30 kV (max) per cm, find the disruptive critical voltage for the line. Take air density factor δ = 0.952 and irregularity factor m = 0.8.
- A single-phase transmission line consisting of two conductors, the radius of each conductor is 0.4 cm, the distance between the conductors is three and half meters and the height above ground is eight meter. Determine 1)The capacitance in uF/km without effect of ground 2)The capacitance in uF/km with effect of groundA transmission line with 0.4? line length and 50 Ω characteristic impedance is terminated with load impedance ZL = 40-j30 Ω. For this transmission linea) Using transmission line equations, b) Using Smith Chart,Find the sizes.I. Standing Wave Ratio in Line (DDO)ii. Reflection coefficient in loadiii. Load admittanceiv. Line input impedanceA single-phase overhead transmission line consists of two solid aluminum conductors having a radius of 3cm with a spacing 3.5 m between the centers.a) Determine the total line inductance in mH/mb) Given the operating frequency to be 60 Hz, find the total inductive reactance of the line in Ω/kmand Ω/mil.c) If the spacing is doubled to 7 m, how does the reactance change?