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Two three phase generators supply a three phase load through separate three phase lines. The load absorbs 30 kW at 0.8 power factor lagging. The line impedance is (1.4 + j 1.6) ohms per phase between generator G1 and the load, and (0.8 + j1.0) ohms per phase between generator G2 and the load. If generator G1 supplies 15 kW at 0.8 power factor lagging, with a terminal voltage of 460 V line to line, determine the voltage at the load terminal.
A CT signal x(t) can be depicted as follow. It is a periodic function with T0 = 1 micro sec, and amplitude A = 1. The second signal y(t) is a sinusoid function with the fundamental frequency of 900 MHz, i.e., y(t) = cos(2*pi*fc*t)
Sketch a set of iD-vDS characteristic curves for an NMOS Transistor operating with a small vDS. Let the MOSFET have k = 5ma/V^2 and Vt = 0.5V. Sketch and clearly label the graphs for VGS = 0.5,1.0,1.5,2.0, and 2.5V.
Build a 5-Bit Adder with the following specifications: Must include the Carry Look Ahead Technique. Must be able to add the 2's complement of B to A, when a subtraction is made.
A Si pn junction diode is described by its I-V equation, I?= Is exp (V?/V?) ,where V?=25mV, Is=10-14A . It is desired to derive constant drop and PWL models for the diode assuming an operating current between 1mA and 3mA.
The response of a first order series RL circuit can be represented by a first order linear time-invariant differential equation : d/dt(y) + 4 y= 4 x(t) where the input x(t) is applied across the series circuit and the output is across the resistor
An AM modulator operates with the message signal: m(t) = 9 cos(20πt) - 8 cos(60πt). The unmodulated carrier is given by 110 cos(200πt), and the system operates with an index of 1/2. a. Write the equation for mn(t), the normalized signal with a mini..
A chopper is used to control the power flow from a dc source voltage of 125-V to a battery whose voltage is 240-V. The power transferred is 60 kW. Determine the duty cycle and the average input current.
A Y-connected load with an impedance of 12-j15 Ohms per phase is connected to a balanced Delta-connected 208V, 60Hz, three-phase, positive phase-sequence supply. Determine 1) the line and phase voltage, 2) the line and phase current
In order to control the slope of a ramp produced by an integrator, the values of Vin, R, and C may be varied. Assuming a fixed value for C of 10 μF, would it be better to have a relative large Vin with a correspondingly large value of R
Use Matlab to verify the above results and determine: a. The starting torque b. The maximum torque c. The slip at which the motor develops maximum torque d. Draw the torque-speed characteristic of the motor
Consider a 1-D semiconductor system when we have a perfect balence of drift and diffusion of holes. that is the total Jp=Jp, diffusion +Jp, drift = 0. P(x=x1)=p1, P(x=x2)=p2. find the potential drop from x2 to x1 in terms of p1 and p2
Design a UV flip-flop using a JK flip-flop and two logic gates. where the characteristic table for the UV flip flop is U V Q(t+1) 0 0 1 0 1 !Q(t) 1 0 Q(t) 1 1 Q(t)
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