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Three parallel three-phase loads are supplied from a 207.85-V rms, 60-Hz three-phase supply. The loads are as follows:Load 1: A 15 hp motor operating at full load, 93.25 percent efficiency, 0.6 lagging power factor. Load 2: A balanced resistive load that draws a total of 6 kWLoad 3: A Y-connected capacitor bank with a total rating of 16 kvar.a. Sketch the three-phase circuitb. What is the system total kW, kvar, power factor, and the supply current per phase?c. What is the system power factor and the supply current per phase when the resistive load and induction motor are operating but the capacitor bank is switched off?
The residential sector of PA consumed about 150.6x1012 Btu of electricity (www.eia.doe.gov). Assuming all of this energy comes from bituminous coal with a heating value of 14,000 Btu/lb. How MUCH coal did we burn?
In terms of good desgn practice , what is the number of receptacles allowed on a general purpose 15 A 120V circuit. A 20A and 120V circuit. What are the requirements for the circuit supplying bathroom in residences
a sample of 0 385 gram of cus was formed by heating a mixture containing 0.318 gram of copper and 1.00 gram of sulfure according to the reaction , Cu + S ---> CuS. A) is copper or sulfer the limiting reactant B) calculate the theoretical and the pe..
The voltage and current at the terminals of the circuit element are zero for t or =0 they are: v = (16,000t + 20)e^-800t V; i = (128t + 0.16)e^-800t A a) At what instant of time is maximum power delivered to the element
At what forward voltage does a diode conduct a current equal to 1000 Is. In terms of Is, what current flows through the same diode when its forward voltage is 0.7V.
When the two windings are connected to a a.c supply of 50hz, the field current is 0.1A, the armature current is 100A and the phase difference between them is 60 degree. calculate the average torque and maximum torque.
Electrons and holes are moving in a uniform, onedimensional electric field E = +2500 V/cm. The electrons and holes have mobilities of 700 and 250 cm2/V · s, respectively. What are the electron and hole velocities
Find the total current I and the voltage across the capacitance. R = 420 ohms. capacitance = 292 ohms. inductance = 250 ohms. Source voltage 100 angle 0 degrees, 60 Hz.
given analog signal : x(t)=8cos(6,000pi)+5cos(14,000pit) t>=0 sampled at rate 12,000 Hz a) sketch the spectorum of the orignal signal and the sampled signal from 0 KHz and 25 KHz.
Discuss how can identify which resistances are in series and which ones are in parallel in a series-parallel circuit. How might this affect how you measure current and voltages in the circuit with a digital multimeter
Plot the signal x(n) 0
Design an analog divider circuit with a minimum number of op amps with Vo = f(V1/V2) where V1 and V2 are inputs of the circuit and Vo is the output and derive Vo in terms of V1 and V2 and the circuit elements.
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