Find armature resistance of excited dc motor

Assignment Help Electrical Engineering
Reference no: EM13284680

A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm. Rotational loss,armature reaction neglected. Find armature resistance?
For the motor to deliver a torque of 2.5 Nm at1400 rpm.What is armature voltage?

Reference no: EM13284680

Questions Cloud

What is the expected return on this stock : Northern Wear stock has an expected return of 14.6 percent. Given the information below, what is the expected return on this stock if the economy is normal?
Definition of supervision : Describe what the term Supervision means to you.  Also, discuss how supervision is different than management.
Estimate the balls total time of flight : A ball is thrown so that its initial vertical and horizontal components of velocity are 60 m/s and 15 m/s, estimate the ball's total time of flight
How long will it take to recover the initial investment : Services United is considering a new project that requires an initial cash investment of $75,000. The project will generate cash inflows of $26,500, $32,700, $18,500, and $10,000 over each of the next four years, respectively. How long will it tak..
Find armature resistance of excited dc motor : A separately excited DC motor runs at1500 rpm under no load with 200 V applied to the armature.The field voltage is maintain at its rated value. The speed of the motor, when it delivers a torque of 5 Nm ,is 1400 rpm.
Nondisclosure agreement : Research ECOCORPS ( bullet-point form ): a) who are they? b) Who are their stakeholders? c) what are they selling? d) How large is the market, domestic or international? e) good idea or no ? why? f) What COST might they incur in offering the product/..
Should the old milling machine be replaced : A bank loan arranged at the local bank would cost the company 12% per annum. If the company took out this loan, its leverage would be higher.
After what time interval does it strike the ground : A ball is thrown directly downward with an initial speed of 8.60 m/s, After what time interval does it strike the ground
Calculate the distance in which the charge falls below : A particle possessing 8.25 uC of charge and mass 8.55 g is fired at a speed of 255 cm/s through two charged plates of length 34.6 cm, calculate the distance y in which the charge falls below its intended path

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Find the received power if the transmitted power is given

find the received power (in W) if the transmitted power is 100 W, the distance of the dipole from the transmitting and receiving antennas is 100 m, the gain of the transmitting and receiving antennas is 15 dB each, and the frequency of operation i..

  Determine the spring constant in a rifle fires

A rifle fires a 1.20 x 10-2-kg pellet straight upward, because the pellet rests on a compressed spring that is released when the trigger is pulled. The spring has a negligible mass and is compressed by 6.74 x 10-2 m from its unstrained length.

  Design simple rlc circuit that would produce all of response

When the input x(t) = 5u(t) is applied to a linear second-order circuit the response of the state variable is y(t) = 10e^(-100t)-5e^(-200t) + 5. Design a simple RLC circuit that would produce all of these responses.

  How to calculate relative energy levels to get partial point

Make a sketch of the band diagram for an n-type semiconductor and a p-type semiconductor doped with phosphorus and boron at 5*10^15/cm^3 respectively. Label all the features of your drawing, as well as the relative energy

  Design a minimum and-or gate network to realize z

A spacecraft uses two ground-based computers and one on-board computer to control the thrusters used to make course corrections. There is also a manual override control that will switch control of the thrusters directly to the onboard computer in ..

  What is the magnitude of the electric field

An electric flux of 151 Nm2/C passes through a flat horizontal surface that has an area of 0.715 m2. The flux is due to a uniform electric field. What is the magnitude of the electric field if the field points 10.3° above the horizontal

  What is the power dissapated in the amplifier and efficiency

An amplifier operating from a single 15-V supply provides a 12-V peak-to-peak sine-wave signal to a I-ill load and draws negligible input current from the signal source. The de current drawn from the 15-v supply is 8mA.

  Determine the minimum and the maximum values

An op-amp based amplifier has +/- 51 V supplies and a gain of -80.Over what input range is the amplifier linear. Find (a) the minimum and (b) the maximum values.

  Determine what is e on the x axis as a function of x

Consider a uniformly charged sphere of radius R1 with a spherical hole of radius R2 displaced a distance x0 from the center. Let ρ be the charge density. a) What is E on the x axis as a function of x

  Find the 2 resitance values of an unknown resistance

An unknown resistance Rx is connected in series with a 100 ohm resistor and a 120 V power supply. There are 2 values of Rx that will cause this resistance to dissipate 25 Watts of power. Find these 2 resitance values.

  Design a full wave unregulated dc power supply

Design a full wave unregulated dc power supply having an input of 220 V rms 60 Hz and an output voltage maximum of 19.5 V and a minimum of 15 V. This power supply will be needed to provide power to a load which requires a maximum current

  Find the force on the charge due to the electric field

A point charge of 10 C moves with a uniform veloctiy of 2ax - 4az m/s in an electromagnetic field having E = ax - 3ay + 8az V/m and B= 0.3ax + 0.1ay. Find the force on the charge due to the electric field; the force on the charge due to the magnet..

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