1. A transmission line has 2.5 pF of capacitance per foot and 100 nH of inductance per foot. Calculate its characteristic impedance.
Q: In 132 kV transmission system, the phase to ground capacitance is 0.01 µF. The inductance being 6 H.…
A: We have an 132 KV transmission line with, Phase to ground capacitance (C) = 0.01 μF = 0.01 * 10-6 F…
Q: The transmission line act as capacitor when it terminated by Open circuit load O short circuit loadO…
A: We can see the inductance effect only when current flow in the line, where as capacitance effect…
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Q: In 132 kV transmission system, the phase to ground capacitance is 0.01micro F. The inductance being…
A: A powerful thermionic current that flowed between the electrodes ignited the arc. The resistance of…
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Q: An air line has a characteristic impedance of 70 ohm and a phase constant of 3 rad/m. Calculate the…
A: Air transmission line can be considered as a lossless line. So, the resistance per unit length (R)…
Q: ALL FINAL ANSWER SHOULD BE ACCURATE TO 3 DECIMAL PLACES USE POSITIVE ANGLE EQUIVALENT, NOT GREATER…
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Q: The voltage applied to a purely inductive coil of self-inductance 19.5 mH is given by the equation,…
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Q: Problem 10. A coil consists of a resistance of 100 2 and an inductance of 200 mH. If an alternating…
A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…
Q: i) Three identical capacitors are connected in delta with 400 V. If the line current is 12 A…
A: (i) Three identical capacitors are connected in delta with 400 V. The line current is 12 A. So,…
Q: For the circuit shown below, the average power delivered to the -j5 ohms capacitor is.VAR 10 Ω -j5 Q…
A: Given
Q: Calculate the capacitance / phase / km of the line.
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Q: 9.) Assume the frequency to be 60 Hz. Calculate the inductance or capacitance in series for the…
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Q: Given a parallel plate capacitor, determine the energy density if the potential difference and…
A: Given, A parallel plate capacitor has, Potential difference between the plates (dV)= 250 volts…
Q: The voltage v = 207 sin(100t+50°) V is connected acroos a 5-H inductor. Determine the inductive…
A: Inductive reactance = wL Where w is the frequency in rad/second and L is the frequency.
Q: A coil of resistance 8 ohms and inductance 0.1 H is connected in series with a capacitor of 75 mF…
A: Steps Calculate the inductive and Capacitive reactance of the circuit Then find Net impedence Z…
Q: A 50 km, 60 Hz transmission line has a resistance of 6 Q and its magnitude equal to 10. Then its…
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Q: Three identical capacitors are connected in Delta to a 415V, 50HZ, 3-phase supply. If the line…
A: For delta connection of capacitors, IL= squareroot(3) x Ip => Ip = 10/(squareroot(3)) => Ip =…
Q: A circuit comprises a coil of inductance 113.68mH, resistance 3on in series with a variable…
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Q: A 3-phase, 50 Hz, 415 V motor input power is 80400 W, the power factor being 0.75 lagging. A bank of…
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Q: Given the following pairs of voltages and currents, indicate whether the element involved is a…
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Q: Three identical capacitors are connected in Delta to a 415V, 50Hz, 3-phase supply. If the line…
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Q: A 3-phase, 50-Hz overhead transmission line 100 km long has the following constants :…
A: Concept: The nominal -T model of a medium transmission line is given below: The corresponding…
Q: (i)Three identical capacitors are connected in delta with 400 V. If the line current is 12 A…
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Q: To change the power factor of an electrical load from unity to 0.9 lag, a capacitor should be…
A: Power factor is the ratio of true power by apparent power. The value of power factor lies in between…
Q: A 3-phase, 50 Hz, 405 V motor input power is 80000 W, the power factor being 0.82 lagging . A bank…
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Q: Three identical capacitors are connected in Delta to a 415V, 50Hz, 3-phase supply. If the line…
A: Write the given values of line and phase currents and the frequency. VL=415 VIL=15 Af=50 Hz
Q: The parameters of a cable are as follows Resistance = 65 ohms; Inductance 1.6 m H; Capacitance 0.1…
A: Given:- R(Resistance)=65ohm L(Inductance)=1.6mh C(Capacitance)=0.1microfarad…
Q: What will be the value of coupling factor between two coils, when the self inductnce of each coil is…
A: Given two coils having, Self inductance of each coil, L1=L2=30 mH Mutual inductance, M=60 mH
Q: AC circuit contains resistor 18.7 0, inductor 18 mH, and capacitor 560 µF, where they are connected…
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Q: A circuit comprises a coil of inductance 113.68mH, resistance 302 in series with a variable…
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Q: 369-Vrms, 60-Hz supply serves a load that is 9 kW (resistive), 9 KVAR (capacitive), and 13 kVAR…
A: Given, Vs = 369 Vrms, F = 60 Hz, Power = 9 Kw, Capacitive reactive power = 9 KVAR, Inductive power =…
Q: Homework 1: A 440V, 50HZ induction motor takes a line current of 45A at a power factor of 0.8…
A: Given: VL=440 Vf=50 HzIL=45 APF of load=0.8 (lagging)PF required after compensation=0.9 (lagging)
Q: Three identical capacitors are connected in star to a 415 V, 50 Hz, 3-phase supply. If XC = 15…
A: Xc=15 ohm
Q: An RG58 coaxial cable has a capacitance of 30 pF per foot and a characteristic impedance of 50 ohms.…
A: According to the question we have to calculate the inductance of the cable per foot.
Q: 1. A circuit having a resistance, an inductance and a capacitance in series, is connected across a…
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Q: 8.What is the coefficient of coupling of two coils whose mutual inductance is 1 H and whose…
A: coefficient of coupling = mutual inductance bateween two coilproduct of inductance of the two…
Q: The transmission line act as capacitor when :it terminated by none of the above Open circuit load O…
A: transmission line can be modelled as Series inductor and shunt capacitor. When current flows through…
Q: For the following pairs of voltages and currents, indicate whether the element involved is a…
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Q: The transmission line act as inductor when it terminated by short circuit O open circuit O matched…
A: Transmission line parameters Transmission line :- a system which is used to tranfer energy from…
Q: Three identical capacitors are connected in delta to a 415V, 50HZ, 3- phase supply. If the line…
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Q: A capacitor of 3.18 microfarads is connected in parallel with a resistance of 2,000 ohms. The…
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Q: 5. A coil RL is connected in series with a capacitor across the 220 V, 60 hz, AC supply. If this…
A: Use phasor diagram to find magnitude of voltage across the coil or voltage across the capacitor.
Q: Which of the following is not true for AC/DC power transmission O a. Efficiency is less O b. Effect…
A: Choose the correct option. Which option is not true about transmission line?
Q: If the inductance of a transmission line model is measured as 90 mH the reactance of the line model…
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Q: A resistor of 150 ohms is connected in series with an 0.8 H inductor, across a 230 V, 60 Hz supply.…
A: Given RL series network With R = 150 ohm L = 0.8 Henry Supply voltage 230 v, 60 Hz
Q: 1. Three identical capacitors are connected in star to a 400V, 50HZ 3-phase supply. If the line…
A: The capacitive reactance can be written as, XC=12πfC Phase voltage, Vph=VL3 (For star connection)…
Q: 1. Choose an ac source voltage with frequency of 60 Hz. 2. Choose a value for the following:…
A: Requirements Power factor of load =0.9 to 0.96 Load is in form of impedance source frequency =60 Hz…
Q: (i)Three identical capacitors are connected in delta with 400 V. If the line current is 12 A…
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- A 230 kV, 3-phase, 50 Hz, 200 km transmission line has a capacitance to earth of 0.03 µF/km per phase. Calculate the inductance and kVA rating of the Peterson coil used for earthing the above system.A transmission line has a capacitance of 25 pF / ft. and an inductance of 0.15 µh / ft. Determine the characteristic impedance of the line.The voltage v = 119 sin(100t+50°) V is connected acroos a 8-H inductor. Determine the current in polar form. Write the magnitude only in four decimal places.
- Three identical capacitors are connected in Delta to a 415V, 50Hz, 3-phase supply. If the line current is 15A, calculate the Capacitance of the each capacitor.Three identical capacitors are connected in delta to a 415V, 50 Hz, 3-phase supply. If the line current is 15 A, determine the capacitance of each capacitor.Given the following pairs of voltages and currents, indicate whether the element involved is a capacitor, an inductor, or a resistor, and determine the values of C, L or R where ω= 157 rad/s a. v = 2000 sin ωt ; i = 5 cos ωt b. v = 80 sin(157t + 150°); i = 2 sin( 157t + 60°) c. v = 35 sin(ωt − 20°); i = 7 cos( ?? − 110°)
- Q12) Three identical capacitors are connected in Delta to a 415V, 50Hz, 3-phase supply. If the line current is 15A, calculate the Capacitance of the each capacitor. a. 66.45 µF b. 79.5 F c. 66.45 F d. 50.42 µFA voltage v = 120 sin 377t V is applied across a pure capacitance of 100μF, Determine average power supplied by the source from t=0 to t=0.01 secA resistor'R' with resistance value of 24 ohm, an inductor 'L' with inductance 20mH, and a capacitor 'C' with capacitance 50 micro Farrad are connected in series with a AC voltage v(t) where v(t) = 50 cos (2 vt + 30 degrees) v. Determine the current i(t) and total impedance if the frequency f is i. 60 Hz ii. 400Hz
- From the capacitor array shown, calculate: a) The total capacitance b) The total charge c) The total power energy.(NEED ONLY HANDWRITTEN)Calculate the velocity factor of a coaxial cable used as a transmission line with the characteristic impedance of 50 ohms; capacitance is 40 pF/m and an inductance equal to 50 microH/m.A coil of 0.5 H inductance and 8 ohms resistance is connected in series with a capacitor across a 200 V, 50 Hz supply. If the current is in phase with the supply voltage, determine the capacitance of th the capacitor and the p.d. across its terminals. Answer: [20.26 µF, 3.928 k]