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A single-phase power system is shown in Figure P3-1. The power source feeds a 100-kVA 14/2.4-kV transformer through a feeder impedance of 38.2 + j140 W. The transformer's equivalent series impedance referred to its low-voltage side is 0.12 + j0.5 W. The load on the transformer is 90 kW at 0.85 PF lagging and 2300 V.
(a) What is the voltage at the power source of the system?
(b) What is the voltage regulation of the transformer?
(c) How efficient is the overall power system?
When the starter motor, which draws 90A, is running the terminal voltage drops to 11V. What is the internal resistance of the battery What percentage of the chemical power is delivered to the starter motor
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How To Construct A Simple Solar Cell? (Step by Step explanation) wiht Basic Operating Principle Of Photovoltaic Cell
1.for the unity feedback control system with an open-loop transfer function shown below ltbrgt
An Emitter follower with a BJT biased at Ic = 1mA and having β = 100 is connected between a source with Rsig = 20kg and a load RL = 1kg. a) find Rin, vb/vsig, and v0/vsig. b) If the signal amplitude across the base-emitter junction is to be limitd t..
Suppose the electron concentration in a piece of silicon is equal to N at x=0 and falls linearly to zero at x=L. Find the expression for the diffusion current density. Calculate the current density for N=10^16 cm-3 and L=1 µm.
An a.c. voltage, V, comprises of a fundamental voltage of 100 V rms at a frequency of 120 Hz, a 3rd harmonic which is 20% of the fundamental, a 5th harmonic which is 10% of the fundamental and at a phase angle of 1.2
4 resistors are connected in electrical parallel. R1=2 OHM, R2= 4 OHM, R3= 6 OHM, R4= 8 OHM. if this parallel resistor combination is placed across an ideal current source = 3A.
Determine the net chage delta Q that flowed through a resistor over teh specified time interval for each of the following currents: (a) i(t) = 0.36A, from t=0 to t=3s (b) i(t) = [40t +8] mA, from t=1s to t=12s
What algorithm (step by step list) can show how to multiply any two four digit numbers in any number base. The aim is to explain any base multiplication to a machine possessing artificial intelligence, that is presently oblivious as to how to do m..
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