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The sending-end voltage, current, and power factor of the line described in Example 6.3 are found to be 260 kV (line to line), 300 A, and 0.9 lagging, respectively. Find the corresponding receiving-en d voltage, current, and power factor.
Example 6.3
A single-circuit 60-Hz transmission line is 370 km (230 mi) long. The conductors are Rook with flat horizontal spacing and 7.25 m (23.8 ft) between conductors, The load on the line is 125 MW at 215 kV with 100% power factor. Find the voltage, current, and power at the sending end and the voltage regulation of the line. Also, determine the wavelength and velocity of propagation of the line.
In a bridge rectifier the transformer is connected to 220V, 60Hz mains and the turns ratio of the step down transformer is 11:1. Assuming the diode to be ideal, find: i) Idc
Given a circuit description such that count the number of cars in the traffic junction.the traffic light red signal should always be on,but get off when green light is on.Green signal is on for time equal to the number of cars.For example,if 3 is ..
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A balanced Y-connected three-phase motor uses 20 kW of power at 0.81 pf lagging when connected to 220 V lines. What is the line current. What is the current in one phase of a delta-connected generator.
steam flows through a turbine one inlet and two exits with know condition at the steady state ( hints: h1=3231KJ/kg, h2=2812 KJ/kg , specific volume (v)= 0.0994 m^3/kg , at p= 30 bars,v=0.4045m^3/kg, at p=5 bars, no potential and kinetic energy ch..
An amplifier with a voltage gain of +40 dB, an input resistance of 10 k ohms and an output resistance of 1 kohm is used to drive a 1 k ohms load. what is the value of Avo. Find the value of the power gain in decibels.
a micrometer caliper is used to measure the diameter of a bolt and a reading of 0.768 inches is obtained. based on
A 74.6-kW, three phase, 440-V (line to line), four pole, 60-Hz induction motor has the following (per phase) parameters referred to the stator circuit: Rs=0.06-Ω, Rr=0.08-Ω, Xs=0.3-Ω, Xr=0.3-Ω, Xm=5-Ω The no-load power input is 3240-W at a current ..
design an n-channel silicon JFET with pinch off voltage (-2V). The channel is doped with Arsenic and the gate is doped with Boron. the Boron density is 1019 atoms /cm-3 all atoms are fully ionized. The resistance of the channel at zero gate bias i..
If a computing system needs two 32Kbytes to store its program and 16Kbytes to store temporary data, will a 16-bit address bus sufficient
Two induction motors and one synchronous motor are fed fromthe same 3-phase, 480V bus. The following data pertains to the 3motors: Induction motor #1: 480V, 120 hp output, PF=0.78 lag,efficiency = 82% Induction motor #2: 480V, 100 hp output, PF=0.80..
b) What are the equilibrium electron and hole concentrations at 300K and 500K (hint: You will have to find Nc and Nv at 500K, but it isnt necessary for 300K) c) Why does the mobile carrier concentration increase at high temperatures
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