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- 1 In the system shown in the below figure, the switch is closed at t = 0. a Determine voltage reflection coefficient at the load and the source b. Sketch the bounce diagram of the VOLTAGE and the CURRENT and give sufficient information on it (up to 4us) C. Sketch diagram of voltage and current at source and load Mittetu Md. Calculate the steady state Vss. Vss and Iss. Iss opinti 15 Wan httons e. Find the value V(z-50m 1.7us) TERS Wertens atom Dett th will MARRI E yo w B pinn WERS THIS Suprin 90 MAKEL R₂=90 0 3 CAP 180. Rr = 180 Q - i T Mart 1800 H SUS Vg=90 V HIE 1 D = min 200 thin 1 FARG - Bilare. Radio T 149 SATISH SET Pan PARACHUNG G IN Sulta Ap 135 aytinius - FORES exotic Me GALER 2 Mer t=0 400 NITINE atas Aper SUMB satan THE SIM- " WAS Thy POST ANE nicht www.M upp 6 HIS 328 20 p Hifiq Z. = 60 52 WHAT p=10m/s 459 w 30 Patie SATE 108 1 = 100m MNA A1. A 3-ph, 50 Hz, 150 km length O.H.T.L. supplies a load with P MW load at 0.85 lag P.f. and 69 kV where P is the last two digits (from right) of your registration number (i.e for the student that has a registration number 202112396, P = 96). . This T.L has a resistance of 0.232 Q/km and an inductive reactance of 0.783 Q/km and the capacitance to neutral is 0.0446 µF/km. Using nominal a circuit, Find: 1- Constants A, B, C, and D. 2- Sending end voltage. 3- Sending end current 4- Voltage regulation of this T.L. 5- Transmission line efficiency. 6- Draw with a scale the phasor diagram of this model at this operating case. 7- Estimate approximately the loadability of this transmission line at this operating voltage. Justify your estimation and suggest a way to increase this loadability. Verify your answer.The dioces are ideal. write the Fransfer Characteidie equati ons ( &, as a funchiar g &) Plot &o agaiwet &, imdicaling all intrcepts, slopes and Volt ope lerels. Sketch bo f bq =40 sin wt. Indicate al voltage lezels - %3D 1OK lok lov
- C2 6. Figure shows a series resistance-capacitance bridge to R1 measure the capacitor, C3 and its leakage resistance of R3. The variable capacitor, C2 and resistor, R2 is adjusted alternately to null the bridge. The values of the resistors are RA given as R1 = 22 kN and R4 = 8 kN. The power supply frequency is 120 Hz. (i) Derive the equations for C3 and R3. (ii) Calculate the values of capacitor, C3 and resistor, R3 if the bridge is balanced when C2 = 4.7 µF and R2 = 150 2. [Module Test 2, March 2021] (ii) R3 = 54.55 , C3= 12.93 µF) R4 (Answer: (i) R3 = R2R4 C3 = R,C2 R1Q4. Single phase a.c. distnibulor AB is fed from end A and has a total impedame 2 6.2 +jo-3)ohm. At the fae end, the voltage Ve= 240v and the curent is 108A at bogging. a pif. f 0.6 lagging. f lo0A is täpped at a p.f. f 0.8 lagging to the voltage Vm at the mid point. Calculate The Suypply voltage VA and phase At, the mid point M, a cullent with eference anyle beturen VA andUB.[]In the circuit shown in the figure, there is a load between the terminals a and b, consisting of the series connection of the resistor R0 and the inductance L0. The amplitude of the voltage Vs (t) is two root hundred and fifty phase angle Qs = zero degree period T = 200 PI microseconds. Since R = 300 ohms C = 1 nano F. a) Find the values of R0 and L0 that enable the load to draw maximum average power from the circuit b) Calculate the complex power on the load.
- google.com/forms/d/e/1FAlpQLScF2Wzu92iVI-tEM2nxdhqXrGdR460G4QCTxaUZZeC678PqTg/formResponse مطلوب /06 *:The potential at point P due to Q1 and Q2 is Q, = 1x10-12C 0.5 m 0.5 m Qz = 1x10-12C %3D 50 cm 0.01797 V Ov O -0.01271 V O 0.01271 V O Insert PIC F10 F11 F12 F6 F7 FB Backspace 9 € P Enter HA Second order system Show n Find tootpotrsts g also frnd for unit Step respon Se af the System, an expression knote that k= 10,The long stroight conduotor shown in fig. liesin the plane g the rechngubr loop at distne e d = 0.2 m. The loop has dimensions 0.4m ond a = b=1m, nd the currents ore I, -IAA ond Iz=20A Determine tne net megnetic foree octing inthe lop. b= 4m %3D dz0.2m a =Qum
- A First and second quadrant chopper is supplied from a 240 V de source. The load consists of a 102 resistance in series with a 20mH inductance. The chopper operates with M-0.7 and at 1.2kHz. Find: a. The quadrant of operation b. Vo,de c. Io,de d. Can the chopper operate in the second quadrant? justify your answer e. The on-time and off-time of the modulating switch f. Output current ripple factor g. The average and RMS current the passes through S1.Calculate the steady state currents flowing through inductors L₁ and L₂ and the steady state voltage across capacitor C in the circuit L₁ mm Vs = 20 V L₁ = 4 mH R₁ = 1 A R₂ = 3 L₂= 7 mH C = 6 4F shown below: Ri wwwww HH Cplz solve only part 2 Your company is considering the installation of a 2 MW wind turbine with a rotor diameter of 80 m in a location with average wind v = 10 m/s. The turbine has a cut-in velocity of 5 m/s and a cut-out velocity of 25 m/s. The capacity factor is 0.45. The installed cost of the turbine is $3,500,000. Operating expenses are $225,000 per year. The system has a power coefficient (electric power generated divided by wind power) of 0.45. part 1) What price would you have to get for the electricity you produce to obtain a 10% return on the plant investment assuming a project lifetime of 20 years? Use the tables for the cumulative wind power distribution in the notes on wind probability to answer this question. Assume an air density of 1.225 kg/m3. The answer is equal to 0.0815 dollar part2) How would your answer to problem one change for each of the following modifications to the data in that problem? (Consider each change independently, not as a cumulative series…