Find the gross torque developed

Assignment Help Electrical Engineering
Reference no: EM131265443

An 8-pole, 3-phase, 50 Hz induction motor is running at a speed of 710 rpm with an input power of 35 kW. The stator copper-loss at this operating condition is known to be 1200 W while the rotational losses are 600 W. Find

(a) the rotor copper-loss,

(b) the gross torque developed,

(c) the gross mechanical power developed, and

(d) the net torque and mechanical power output.

Reference no: EM131265443

Questions Cloud

Select four graphics from newspapers or magazines : Select four graphics from newspapers or magazines. - Critique each graphic based on what you have learned. - What is correctly shown?
Define the various methodologies for sociological research : Define the basic concepts used in the discipline of sociology. Define the various methodologies for sociological research. Use technology and information resources to research issues in sociology.
Analysis influence that legal issues and ethics have had : Analysis the influence that legal issues, ethics, and corporate social responsibility have had on management planning at BP. Provide at least one example for each.
What behavioral change must occur to help address the issue : In this discussion, choose a specific public health behavior or issue and population on which you would like to focus (e.g., Infectious disease among homeless juveniles, Childhood Asthma in low income, inner city areas of Boston, New York, or Balt..
Find the gross torque developed : An 8-pole, 3-phase, 50 Hz induction motor is running at a speed of 710 rpm with an input power of 35 kW. The stator copper-loss at this operating condition is known to be 1200 W while the rotational losses are 600 W
Do you believe osha is effective at ensuring safe : Do you believe OSHA is effective at ensuring safe and healthful working conditions for working men and women by setting and enforcing standards and by providing training, outreach, education and assistance?
Describes fact that company is moving into new product lines : As we learned in our lecture this week, organizations often fail to have the adequate time for strategic planning. Perhaps that in and of itself paves the road to disaster when our activity no longer meets the organizational strategy or goals. Pha..
Compute depreciation expense : Bridgeport Corporation purchased a truck at the beginning of 2017 for $62,000. The truck is estimated to have a salvage value of $2,480 and a useful life of 198,400 miles. It was driven 28,520 miles in 2017 and 38,440 miles in 2018. Compute depreciat..
Find the ratio of maximum to full-load torque : A 3.3 kV, 20-pole, 50 Hz, 3-phase, starconnected induction motor has a slip-ring rotor of resistance 0.025 W and standstill reactance of 0.28 W per phase. The motor has a speed of 294 rpm when full-load torque is applied.

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find the values of voc and jsc when connected in parallel

A p-n junction solar cell has Voc = .5 V and Jsc = 20 mA/cm2. A second cell of same area has Voc = .6V and Jsc = 16 mA/cm2. Assuming both cells obey ideal diode equation find the values of Voc and Jsc when connected in parallel and series

  Calculate the value of reverse leakage current

A diode operating at 300K at a forward voltage of 0.4V carriers a current of 10mA. When voltage is changed to 0.42V the current becomes thrice. Calculate the value of reverse leakage current and ? for the diode(assume VT= 26 mV).

  Explain using the routh hurwitz method

Using the Routh Hurwitz method, find the values of k for which the following polynomial has all its roots to the left of s = -1.

  Determine the magnitude of the resultant

A tow truck applies forces F1 and F2 to the bumper of an automobile where F1 is horizontal. Determine the magnitude of F2 that will provide a vertical resultant force, and determine the magnitude of this resultant.

  Marginal probability distribution function

Determine formulas in closed form for the marginal probability distribution function of X for all x, and sketch a graph of this function over the range -1 ≤ x ≤ 2.

  How is the effect of frequency-selective fading

How is the effect of frequency-selective fading on basic OFDM signaling and what techniques can one use in OFDM to overcome fading?

  Rc circuits: capacitor is completely discharged

Assume that capacitor is completely discharged when t

  Find the gain of the antenna

At a distance of 300 m from an antenna operating at 5.8 GHz, the radiated power density in the main beam is measured to be 7.5 × 10-3 W/m2. If the input power to the antenna is known to be 85 W, find the gain of the antenna.

  Determine the impedance of the heater

An industrial heater has a nameplate which reads: 210 V 60 Hz 12 kVA 0.78 pf lagging

  Design device to create a voltage that is damped oscillation

Design a device that creates a voltage that is a damped oscillation with a frequency of 5 radians per second and a time constant of 3 seconds. In particular, explain how initial conditions are to be handled.

  Design to test an op-amp based instrumentation amplifier

Design (simulaton, analysis), build and test an op-amp based instrumentation amplifier with the following specifications: (a) Have very high input resistance (minimum is 1 Mega Ohm). (b) Have very high voltage gain (minimum 1000V)

  Calculation of datasum and ones complement datasum

Compute the basic checksum, the 1's complement checksum, and the 2's complement checksum for each of the following groups of 8-bit data elements using both the basic calculation of the datasum and the one's complement datasum.

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