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A wye-connected balanced three-phase source is feeding a balanced three phased load. the phase voltage and the phase current of the source are
v(t)=340sin(377t+0.5236) Vi(t)=100sin(377t+0..87266) V
calculate the following:a)rms Phase voltageb)rms Line-To-line voltagec)rms Phase currentd)rms Line currente)Frequency of the Supplyf)power factor at the source side, state leading or laggingg)Three-phase reactive powerdelivered to the loadi)Load impedance, if the load is connected in delta configuration
(1) a lighting load drawing 10kW, (2) an induction motor drawing 10 kVA at 0.9 power factor lagging, and (3) a synchronous motor operating at 10 hp, 85% efficiency and 0.95 power factor leading (1 hp = 0.746 kW). Determine the real, reactive, and ..
Assume that we make an enhancement to a computer that improves some mode of execution by a factor of 10. Enhanced mode is used 50% of the time, measured as a fraction of the execution time when the enhanced mode is in use.
What should be the capacitance of a capacitor, in series with a 250-ohm resistor, that will limit the current to 1.2 A when the circuit is connected to a 600 V 60-cycle source
Design a parallel resonant circuit so that a variable capacitor can adjust the resonant frequency over the AM broadcast band, 535 to 1605 kHz, with Q
1- Write a function that shows you how to calculate F(x) = 0.1X^2+5Y^3 2- Read and write a File that has a set of 10 numbers. Then assign those numbers to an array.
The mobile phone used has effective area of 3m^2 and good signal reception required receiving power of 1mW. -Calculate the receiving power of mobile phone A and mobile phone B. -Which mobile phone has good coverage
how many different values may any base 9 digit have What is the highest value allowedf for any base 9 digit
with karnaugh maps, find a minimal sum-of-products expression for each of the following logic functions. Indicate thedistinguished 1-cells in each map a) F = ΣA,B,C,D (1,4, 5, 6,11, 12,13,14,15)
What is the major difference between a bipolar and a unipolar device Which of the transistor currents is always the largest Which is always the smallest? Which two currents are relatively close in magnitude
How does the speed of an induction generator relate to synchronous speed Explain. How is power factor could be controlled if is is a squirrel cage machine? How about a wound rotor machine
SR flip flop from D Flip flops, Show how to build a rising edge triggered SR flip-flop using a rising edge triggered D flip-flop and combinational logic.
What is the main cause of bit errors on this digital link? At the receiver, what is the rule that is used to decide whether to output a 1 or a 0?
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