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70-mi, single-circuit, three-phase line composed of Ostrich conductors is arranged in flat horizontal spacing with 15 ft between adjacent conductors. The line delivers a load of 60 MW at 230 kV with 0.8 power-factor lagging
(a) Using a base of 230 kV, 1 00 MVA, determine the series impedance and the shunt admittance of the line in per unit. Assume a wire temperature of 500 C. Note that the base admittance must be the reciprocal of base impedance.
(b) Find the voltage, current, real and reactive power, and the power factor at the sending end in both per unit and absolute units.
(c) What is the percent regulation of the line?
Design and provide the logic circuit of a 4 bit counter using the same techniques used to design synchronous sequential machines.The counter has three inputs: EN (Enable), OD (Order), and ST(Step). The initial output of the FSM is 0000.
Draw a ladder logic diagram that will turn on a light if one or more windows are open or if both doors are open.
Calculate the values for the Thevenin Equivalent Circuit, ZTH and VTH.Be sure to include both magnitude and phase values in your solution.Assume that the load will be placed where RL is located for your analysis.
How to Prevent the high Inrush Current in Capacitor Switching? And what the Methods To Insert capacitors in order to prevent inrush current ?
A 50-KVA, 13,800/208 V ?-Y distribution transformer has an equivalent phase impedance 114.2+j800 ohm referred to the high voltage side. Take the rated voltage as the base voltage and the rated VA as the based voltampere value.
design digital ckt. with multiplexer usinggenetic algorithm in matlab for any truth table. its fine for 3variables. problem is how to code for multiplexer part which isincreasing in power of 2.it would be great help if u give some valuable ideas.
The rectangular shaped current pulse is applied to 0.5microFarad capacitor.The initial voltege on the capacitor is a 20V drop in the reference direction of the current. Assume the passive sign convention. Derive the expression for the capacitor vo..
A 3.0 microFarad capacitor is connected in series to 100kohms resistor, a toggle switch, and a 24 V DC power supply. Determine I (t=Tow) and Vr (t=Tow), Vc (t=Tow). Determine I(t=2Tow, Vr(t=2Tow, and Vc(t=2Tow).
A cylindrical metal wire of radius r1 and conductivity of o1 has a core region of radius r2 replaced along the whole length with a metal conductivity of o2. Calculate the resistance of the wire, R, between the ends.
Two watt-meters connected to read the total power drawn by a balanced three-phase load. If the two readings are 1000 W and -1000 W, what is the total power drawn by the load
In a Wheatstone bridge circuit, precise measurements of very small resistance (0.1 ohm or less) are difficult. List three (3) possible sources of error that are important when measuring small resistances.
What is the initial acceleration of the mass if it is released and allowed to move?
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