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For the system in Figure 13.13, the source voltage is 50 kV (phase value), the feeder reactive reactance X1 is 10Ω and X2 is 5Ω. The load impedance is 3∠20° kΩ. A temporary fault occurs at the location in the figure. The fault impedance is 200∠80° Ω. Compute the voltage sag at the load side. Assume the end of the feeder was unloaded before the fault.
consider a 5 bit binary sequence. A one or zero is equally likely for each bit. Also each bit is statistically independent of the others. Let X be a random variable denoting the number of one in the sequence. Find the density and distribution of X
If a 100-Ω resistor is used in the contact protection network, then what value capacitor would be required for the protection network to be non-oscillating (over damped)?
Locate and specify an appropriate sensor if it is to operate at 120 vac as an input to a PLC. Create the ladder diagram program to accomplish the specified control.
GaAs (n = 3.6) for light of wavelength λ = 1.3 μm that will operate only in the fundamental mode. Assuming the cover layer is air and the substrate has a refractive index ns = 3.5, what range of the GaAs layer thickness can be? (b) If we want t..
If the application program creates a message of 150 bytes and each layer (including the fifth and the first) adds a header of 20 bytes to the data unit, what is the efficiency (the ratio of application layer bytes to the number of bytes transmitte..
An induction load consisting of a bank of induction motors consumes 50 kW at a power factor of 0.8 lagging from a 220-V (rms), 60-Hz single phase source. By placing a bank of capacitors in parallel with the load, the resultant power factor is to b..
Charges +Q and +3Q are separted by a distance 2m. A third charge is located such that the electrostatic system is in equilibrium. Find the location and kthe value of the third charge in terms of Q.
Often when developing a new wireless digital communication protocol it is useful to develop a simulator to evaluate the various methods available for communication of the data.
Consider the circuit below containing two ideal (i.e., zero forward voltage drop) Zener diodes whose breakdown voltage is specified. Sketch the transfer characteristic (Vout vs. Vin) between -10V
A three phase transformer is constructed from three 3kVA transformer. Secondaries are wired in Delta configuration with a balanced load. What is the maximun combined power that can be delivered to the load
What is the propagation delay fora 2 level 16-bit adder, using 4-bit carry look aheads and what are the components of the delay Assuming each gate introduces a unit time propagation delay.
a)What is the voltage across a 220? resistor if the current through it is 5.6 mA b)What is the current through a 6.8? resistor if the voltage drop across it is 24 V c) What is the power delivered by a 6 V battery if the current drain is 750mA
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