Determine the sending-end voltage and power factor

Assignment Help Electrical Engineering
Reference no: EM13293235

A 138-kV, three-phase short transmission line has a per-phase impedance of (2+j4) ohms. If the line supplies a 25-MW load at 0.8 power factor lagging, calculate (a) the efficiency and (b) the sending-end voltage and power factor.

Reference no: EM13293235

Questions Cloud

Explain what is the pressure in the flask : When 0.539 L of Ar at 1.20 atm and 227°C is mixed with 0.223 L of O2 at 501 torr and 127°C in a 400. mL flask at 27°C, what is the pressure in the flask
What is the initial level of output per person : What is the initial level of output per person? What is the level of output per person after 10 years?
How long was the arrow in the air before striking the target : An archer lines up an arrow on the horizontal exactly dead center on a target as drawn in the figure below. How long was the arrow in the air before striking the target
Explain the hottest temperature yet recorded in phoenix az : The hottest temperature yet recorded in Phoenix AZ was 122 dgrees F what is the temperaturein degrees C and K
Determine the sending-end voltage and power factor : A 138-kV, three-phase short transmission line has a per-phase impedance of (2+j4) ohms. If the line supplies a 25-MW load at 0.8 power factor lagging, calculate (a) the efficiency and (b) the sending-end voltage and power factor.
Suppose that a golf club is designing a two-part tariff pric : Suppose that a golf club is designing a two-part tariff pricing mechanism in order toincrease profits. Suppose there are two types of golfers, mad-golfers and normal-golfers
Explain what is the mass of the sand in kg : Dry Sand has a density of 1.5g cm^-3. A child's sandbox measuring 4 ft by 5 ft is filled with sand to a depth of 6 in. What is the mass of the sand in kg. in lb
Financial markets assignment : Financial markets assignment
Is there a significant risk of type of accident occurring : A person accidentally grabs conductors connected to each end of adc voltage source, one in each hand. Assume that the resistance of an arm is 400Ohms, the resistance of a leg is 200 Ohms and the resistance of the trunk is 50Ohms.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Design a through-beam photoelectric sensor

When the beam is not broken, light from the transmitter hits the receiver and turns on the output transistor from the receiver. Their purpose is to detect objects as the objects break the beam. design a through-beam photoelectric sensor

  Find overall efficiency of hydroelectric generating station

in a hydroelectric generating station the difference in level between ,the water surface and turbine driving the generators is 425 meters.if 1250 liters of water is required to generate 1 kwh of electric energy.find the overall efficiency

  What are the net work and steam generator heat addition

A Rankine-cycle steam power plant has a 5-MPa/450C throttle and 10-kPa condenser pressure. What are the net work, steam generator heat addition, thermal efficiency, heat rate, and turbine exit quality

  What is the minimum resistance such that the current is less

Suppose your multimeter is fused for 300 mA. You want to measure current through a resistor via a 9-volt battery. What is the minimum resistance such that the current is less than 150 mA

  Write an expression for the frequency response of the sensor

Consider a thermal sensor that a time constant τ = 20 msec such that a step change in temp. requires approx. 3*τ to reach 95 % of the final value. a- write an expression for the frequency response of the sensor

  Explain spectrum analyzer

Spectrum Analyzer, A spectrum analyzer is connected to an unknown signal. The spectrum analyzer displays the power level of signals in dBm vertically and frequency horizontally. The spectrum of the unknown signal creates the following display:

  What is the maximum signal amplitude station can permit

a) What is the minimum bandwidth that they need b) If the carrier amplitude in the transmitter (before the power amplifier at the output) is 5V, what is the maximum signal amplitude they can permit in the transmitter without introducing distortion

  Draw all possible wiring arrangements for the load connected

Thre identical impedances are connected to a 3 phase, 415 V, 50Hz Y connected supply, the load draws 21kW at a power factor of 0.82 lagging. Draw all possible wiring arrangements for the load connected to the Y-connected supply.

  Determine magnetic flux density using mean radius of toroid

Assume the coil around the toroid is one single coil and extends all the way around. A toroid is like a donut with a circular cross section. The following characteristics are given: Toroid material = sheet steel, N = 250 turns Inner Radius

  What is the minimum number of pins required for a socalled

What is the minimum number of pins required for a socalled dual-op-amp IC package, one containing two op amps What is the number of pins required for a so-called quad-opamppackage, one containing four op amps

  Show how to implement an mn flip-flop using a jk flip-flop

An MN flip-flop, where M and N are inputs, has the following behavior. If M = 1, the next state is the complement of the current state. If M = 0, the next state of the flip-flop is equal to N.

  Design decimal adder for digits represented in excess-3 code

design a decimal adder for digits represented in the excess-3 code. Show that the correction after adding two digits with a 4-bit binary adder is as follows (a) The output carry is equal to the carry from the binary adder

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd