Determine slip at which the motor develops maximum torque

Assignment Help Electrical Engineering
Reference no: EM13258453

A 440-V, 60-Hz, 6-pole, delta-connected, three-phase induction motor has the following parameters in ohms/phase:

R1 = 0.3

X1 = 0.9

R2 = 0.6

X2 = 0.9

Rc = 150

Xm = 60

If the rotational loss is 60W, and the motor runs at 0.04 slip, determine:

a) The stator current

b) The magnetization current

c) The rotor current

d) The power input

e) The stator copper loss

f) The rotor copper loss

g) The power output

h) The shaft torque and

i) The efficiency

Use Matlab to verify the above results and determine:

a. The starting torque

b. The maximum torque

c. The slip at which the motor develops maximum torque

d. Draw the torque-speed characteristic of the motor

Reference no: EM13258453

Questions Cloud

Explain what would be the volume of gold : At 20 degrees Celcius and 1 atm (pressure), gold (Au) has a density of 19.32 g/cm cubed. What would be the volume of 2.510 kg of gold at the same temperature and pressure
What is the 1-year interest rate expected one year from now : Suppose we observe the following rates: 1R1 = 6%, 1R2 = 8%. If the unbiased expectations theory of the term structure of interest rates holds, what is the 1-year interest rate expected one year from now, E(2r1)?
Evaluate calculation of adjusted basis for rose stock : Evaluate Nancy's calculation of the adjusted basis for her Rose stock. How would your answer change if Nancy purchased thereplacement stock on July 15 rather than on May 31?
Calculate the bonds default risk premium : The security has no special covenants. Calculate the bond's default risk premium.
Determine slip at which the motor develops maximum torque : Use Matlab to verify the above results and determine: a. The starting torque b. The maximum torque c. The slip at which the motor develops maximum torque d. Draw the torque-speed characteristic of the motor
Explain phosgene decomposes by the reaction cocl : Phosgene decomposes by the reaction COCL(g) CO(g) + Cl2 K2=8.3x10^-4 (at 360C) When 5.00 of COCL2(g) are placed in a 10.0 L flask, find the quilibrium concentration of COCL2, CO and CL2 using the follow steops
What is the remaining obligation : What is the remaining obligation on January 1, 2010 after the first payment has been made?
Find the refracted angle in that material : A light ray is incident upon a plane interface between two materials. The ray makes an incident angle with the normal to the surface of 39 degrees in a material, find thev refracted angle (in degrees) in that material
Explain the atmospheric oxidation of nitrogen monoxide : The atmospheric oxidation of nitrogen monoxide, 2 NO(g) +O2(g) 2NO2(g), was studied at some temperature withinitial pressures of 1.000 atm of NO and 1.000 atm ofO2. A tequilibrium PO2=.506 atm calculate Kp 2NO(g)+O2(g) 2NO2(g)

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Calculate the wavelength of the emitted photon

In a scanning electron microscope, an electron is accelerated by a static electrode biased with a 12 kV voltage relative to the electron source. Upon bombarding the sample the electron “kick out†photons with specific wavelength.

  Attenuation of received power with change in transmission

Attenuation of received power with change in transmission frequency and distance between the antennas

  Find the complex exponential forier series of the signal

The signal given is x(t) =cos(440*2*pi*t) +cos(554*2*pi*t)+cos(659*2*pi*t) Find the complex exponential forier series of the signal and plot k vs Ck for k=-1000 to 1000.

  Define bipolar junction transistor

Bipolar Junction Transistor, A silicon n-p-n bipolar junction transistor is designed with emitter, base and collector doping levels of 10^19cm, 10^15cm and 5*10^17cm, respectively.

  Find the phase shift in degrees through the filter

The transfer function of a particular active low pass filter is G(s) = 200/[s(1+0.4s)(1+0.1s)]. a) At a frequency of 1.0Hz it is determined that the gain of this filter in dB b) Find the phase shift in degrees through the filter as the frequency appr..

  Research the recent history of gasoline pricing

Research the recent history of gasoline pricing in your area, and attempt to relate any fluctuations you observe to documented supply and demand factors outlined in our book. Be sure to cite any references used.

  What is the critical angle for the light beam

a) Given that the refractive index of water is about 1.33, what is the polarization angle for light traveling in air and reflected from the surface of water b) Consider a diver in sea pointing a flashlight towards the surface of the water.

  What is the diode current with the load connected

pecify the value for R. What is the diode current with the load connected What is the increase resulting in the output votage when the load is disconnected What change results if the load resistance is reduced to 100ohms? To 75ohms To 50ohms

  Calculate the rectangular form of the four-point dft

Compute the rectangular form of the four-point DFT of the following signal, which is zero for n =4. Compute the inverse DTFT of: X(ω)=sinΩ cosΩ

  How much work must be done to compress the section

An infinite grounded conducting tube of radius 10cm is centered on the z axis. A concentric charged tube of radius 6 cm has a surface charge density of 24 uC/m2. A 1m long section of the charged tube is compressed to change its radius to 3 cm.

  What is the average velocity in each section of pipe

Seawater with a specific weight of 64.0 lbs/ft^3 is at a level of 4 feet above the centerline of the exit pipe. The tank is closed at the top and there is a pressure of 1 psig above the seawater. What is the velocity at the end of the pipe

  Determine the distance traveled during the first 10s

an automobile travels 1200ft in 30s while being accelerated at a constant rate of 1.8 ft/s^2. Determine (a) its initial velocity, (b) its final velocity, (c) the distance traveled during the first 10s

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