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The input power to the geenrator is 100hp. When the generator is operating at rated values and unity power factor, the generator is 80% efficient. a.) Find the generator speed in rpm and rad/sec. b.
A three-phase, 5kVA, 208 V, four-pole, 60Hz, Y-connected synchronous generator has negligible stator winding resistance and a synchronous reactance of 8 ohms per phase at rated terminal voltage.
A three phase motor is connected to a 60Hz electrical source. The motor spins at 600rpm. Find the number of poles in the machine. The output of the above motor is connected to the input of a generat
An infinitely long wire is placed in a space with relative permeability of 9000 carrying current of 1.9 A in the +y direction. What is the magnitude of the magnetic flux density a
Find the attenuation constant alpha, the phase constant beta, and the phase velocity u if the conductivity of the material sigma=(omega)(epsilon), the material parameters are Ur=1, epsilon r =2.5,
An infinitely long wire is placed in a space with relative permeability of 9000 carrying current of 1.9 A in the +y direction. What is the magnitude of the magnetic flux density at (0.03,0,0) [meter
First as the output stage use a Zener shunt regulator and then replace the Zener shunt regulator with an appropriate IC voltage regulator. Do the SPICE simulation of the whole circuit, which has the
A) Write the KCL expression for this circuit and set it equal to zero. B) Find the voltage of Vo. C) Use your value of Vo. The final step is to use the inverse phasor-transform operation to transform
For , R1 = 1000 -ohm, R2 = 500 -ohm,R3 = 5000 -ohm, and RL = 2000 -ohm. The source is sinusoidal, vi (t) =120 cos(2-ohm60 t). Using the piece-wise linear model for the diode
A three-point symmetric moving average filter, referred to as a weighted moving average is of the form \(y[n]=b(ax[nu22121]+x[n]+ax[n+1])\) (a) Determine as a function of a and b the frequency respons
Three single phase transformers rated 100kVA 13.2kV/2.4kV are connected in wye-delta on a 3-phase, 18kV line. Calculate the maximum load that can be connected to the transformer bank and the outgoi
A 3-phase, 5 MVA, 11 kV, 60 Hz synchronous machine has a synchronous reactance of 10 Ohms per phase and has negligible stator resistance. The machine is connected to the 11 kV, 60 Hz bus and is oper
Write a MATLAB function that will perform a single interpolation given five numbers are input arguments and return the interpolated values as the only function output. Write a MATLAB program that wi
Draw circuit that implements parallel bit-slice parity checker. Its input is X=xn-1xn-2...x1x0 and it should produce output F=1 iff input X has even parity. Make sure to label all signals and ports.
A parallel-plate capacitor has a plate sepration of 0.025mm and ceramic dielectric with \(\epsilon r= 250. \) Determine the plate surface area in square meters if C= 10 \(\mu F\) What ar
From the definition of polarization (p) Perrin equation, and anisstropy (r) introduced by Jablonski, derive the interchangeable relation between p and r.
A certain load takes 10kW at 0.5pf lagging when connected to a 230V, 60Hz source. The supply company charges a penalty when the power factor fall below 0.8. What size of capacitor must be used in or
Three single phase transformers rated at 100kVA, 13.2kV / 2.4kV are connected in wye -delta on a 3 phase, 18kV line. What is the maximum load that can be connected to the transformer bank
Write a program to create a time delay of approximately 100 seconds by using program loops, assuming that the bus frequency is 24Mhz. What is the approximated delay. How can you make it more accurat
A total charge of Q is uniformly distributed on the inner wall of a spherical dielectric shell having inner and outer radius of a and b. The relative dielectric constant of the shell is fr.
A regenerative gas turbine has compressor and turbine discharge temperatures of 350K and 700K respectively. Draw and label schematic and T-S diagrams showing the relevant states.
Write a balance reaction equation for the complete combution of carbon in air. What are the mass and mole fraction of fuel, air oxygen and notrogen in the reactants
A Rankine cycle power plant steam enters the turbine at 100psia and 800deg F.. Heat is rejected in the condeser at 80deg F. Isentropic sxpansion and compression occurs in the turbine and pump respec
A steam power plant employs a closed feedwater heater to improved the thermal efficiency. Draw a chematic and T-S diagram for the cycle, and labe it. Write an expression for the thermal efficienc
What is the minimum level of the positive envelope for an AM signal with an unmodulated peak carrier level of 30 V and 80% modulation