Two alternating voltages are represented by v1=50sinwt volts and v2=100sin (wt – 1/6) V. Find the sinusoidal expression to represent v1 + v2. 145.5sin (wt - 0.35) V 145.5sin (wt + 0.35) V 154.5sin (wt + 0.35) V 154.5sin (wt + 0.35) V
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- moduleMSX-83fromBPsolarisusedinthefollowingconfigurationtomakeaPVarray: •4modulesinseries •2strings(of4modulesinseries)inparallel TheelectriccharacteristicsatSTCaregivenbelow: Maximumpower(Pmax)=83W Short-circuitcurrent(Isc)=5.27A VoltageatPmax(Vmp)=17.1V Open-circuitvoltage(Voc)=21.2V CurrentatPmax(Imp)=4.85A WhatwillbetheelectriccharacteristicsofthePVarray?Two alternating voltage are given by v1 = 120 sinωt volts and v2 = 200 sin(ωt – π/4) volts. Obtain sinusoidal expressions for v1 + v2 . (a) by plotting waveforms, and (b) by vector. Please show some graph and diagram on how you solve this problem ?Consider the circuit shown in Figure 2 below.a) Compute the phasor form of the load ZL that will absorb a maximum amount ofpower, and compute the maximum power delivered to this load. b) Show that the power delivered to the load is reduced if the load is ZL + j5.Explain why this is the case.
- In the circuit in the figure, there is a load formed by connecting the resistor R0 between the terminals a and b and the inductance L0 in series. The amplitude of the voltage Vs (t) is √2 150 volts, the phase angle θs = 0 degrees, the period is T = 200π microseconds. Since R = 300OHM and C = 1 microFa) If the load phase angle is constant θL = 60 degrees, find the values of R0 and L0 that enable the load to draw the maximum average power from the circuit.b) Calculate the average power on the load.Exercise 2: Resistances connected in Series-Parallel across a Sinusoidal AC Supply Calculate the following: a) Calculate the peak to peak voltage (Vpk-pk) and peak to peak current (I pk-pk) b) Current flowing through the circuit. (Irms) c) Voltage across resistors R9, R12, R14. (Vrms) d) Current flowing through the resistors R9, R10,R14. (Irms) e) Calculate the time period of the waveform Consider V=3.535Vpk and F=1.5 kHzFor the circuit shown in Figure,a. Find the Thévenin equivalent circuit for the source.b. Find the power dissipated by the load resistor. c. What value of load impedance would permitmaximum power transfer?The voltage source is sinusoidal with frequency60 Hz, and its polarity is such that the current fromthe voltage source flows into the 10-Ω resistor.
- Q: For the following SLD, take Sg = 100 MVA and VB = 22 kV at Bus 1to:1. Draw the impedance diagram with all impedances in pu2. Find Em- 30 MVA40 MVA30 MVAX= j0.6 puX= j0.3 pu(40:15) kV18 kV(15:35) kVEgEmX= j0.3 pu(3+j4) QT.L50 MVA Ti Bus 1Bus 2 T2Load40 MVA23 kVBus 318 kVX = j0.5 pupf = 0.65 leadIDSS=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.What are two ways of reducing Z0? (last part of the question)
- AnalyzethecircuitinFigureQ2(b)for:(i)Impedanceseenbythesource. (ii)CurrentI1andI2. (iii)Energystoredinmagneticcouplewhenangularfrequency,?=2rad/s,andtime,t=2s.Understand ac power concepts, their relationships to one another, and how to calculate them in a circuit Find the phasor voltage Vs in the circuit shown if loads L1 and L2are absorbing 15 kVA at 0.6 pf lagging and 6 kVA at 0.8 pf leading,respectively. Express Vs in polar form.Suppose that v1(t)=100 cos(ωt+45°) and v2(t)=150 sin(ωt+60°). Use phasors to reduce the sum vs(t) = v1(t) +v2(t) to a single term of the form Vm cos(ωt+θ). Draw a phasor diagram showing V1, V2 and Vs. State the phase relationships between each pair of these phasors.