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Q: For the following SLD, take Sg = 100 MVA and VB = 22 kV at Bus 1
to:
1. Draw the impedance diagram with all impedances in pu
2. Find Em-
30 MVA
40 MVA
30 MVA
X= j0.6 pu
X= j0.3 pu
(40:15) kV
18 kV
(15:35) kV
Eg
Em
X= j0.3 pu
(3+j4) Q
T.L
50 MVA Ti Bus 1
Bus 2 T2
Load
40 MVA
23 kV
Bus 3
18 kV
X = j0.5 pu
pf = 0.65 lead
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- p1: For the network shown in figure,determine the input impedance, output impedance,voltage gain,current gain and source voltage gain by using complete hybrid equivalent model if h=1.6KO, h=2*10", h=110 and h-20jus.Question 8.46 b a. Change RL to 6.8 kΩ and Rsig to 1 kΩ and calculate the new levels of AvL and Avs. How are voltage gains affected by changes in Rsig and RL?b. For the same changes as in part (d), determine Zi and Zo, what was the effect on both impedances?For step -down chopper circuit, source voltage Vs=220V, Chopping period T=2000micro second, on period =600micro second, load circuit parameters R=1ohm, L=5milli henry and E=24v then find (i) Find whether load current is continuous or not. (ii) Calculate the value of average output current, (iii) Compute the maximum and minimum value of steady state output currents.
- Derive the equation for impedance and phase shift for series RLC circuit connected to the AC supply.Also draw an impedance triangle and voltage triangle.The transmission line in Figure Q.1 (a) now is shorten to L=λ/4 and the input impedance Zin is set to be 75 ohms. The load, ZL is 200 ohms. Determine the new characteristic impedance of the transmission line, Zo to matched the load to the input.Find the ff. on the AC circuit below having a 120Vrms as a signal source V1. a.) Total Impedance ZT b.) Current Ic , IL & IR c.) Current Total IT d.) Phasor angle e.) Voltage across each branch. VR, Vc, VL f.) Draw the phasor diagram of the circuit with complete label. g.) Plot the sinusoidal wave indicating the phase angle, showing which are lagging or leadingNote: (see attached image for the diagram and question. please answer it based on your knowledge. thank you so much!)
- For the circuit in the above figure, determine the complex impedances, Zeq1 and Zeq2 for a frequency of 1/2π Hz.Two impedances are connected in parallel to the supply; the first takes a current of40A at a lagging phase angle of 300, and the second a current of 30A at a leadingphase angle of 450. Draw a phasor diagram to scale to represent the supply voltageand these currents. By calculation, determine the total current taken from the supplyand its phase angle. All currents are expressed in their r.m.s. valuesA certain industrial load has an impedance of 0.6 angle 30 ohms at a frequency of 60 Hz. What capacitorconnected in parallel with this load causes the angle of the total impedance to decrease to 15º ? Also if the load voltage is 120 V, what is the decrease in line current produced by adding the capacitor ?
- IDSS=8mA , VP =-4VTo help plot the DC load line VGS=VG-IDRSa)Determine the value of Vgs when ID=1mAb)Determine the value of Vgs when ID=2mAc)Determine the value of Vgs when ID=3mAd)Determine the value of Vgs when ID=4mAe)Attach a Plot of JFET Characteristic Curve as shown in Figuref)What is the approximate VGSQ?g)What is the approximate IDQ in mA?h)Determine source voltage VS.i)Calculate the drain voltage VD.j)Calculate the drain-to-source voltage VDS.The load flow data for the sample power system are given below. The voltage magnitude at bus 2 is to be maintained at 1.04 p.u.Determine the set of load flow equations at the end of first iteration by using N-R method. Impedance for sample system Bus Code Impedances line charging admittance 1-2 0.08 + j0.24 0.0 1-3 0.02 + j0.06 0.0 2-3 0.06 + j0.18 0.0 Schedule of generation and loads: Bus Code Assured Voltages Generation Load…Reply as soon as possible and clearly, do not use italics 1) For the circuit in Figure, what is the value of S1, S2, S3, S4 and ST? Response format: a complex number in rectangular format. 2) What is the power factor of the circuit? (Response format for power factor: a number real rounded to two decimal places) and What is the value of the impedance seen by the source? ( Response format for impedance: a Complex number in rectangular format.)