Find the rotor current when the machines is running normally

Assignment Help Electrical Engineering
Reference no: EM13291460

a 3-phase slip ring induction motor gives a reading of 60volts,across a slip ring of open circuit. When at rest with normal statervoltage applied, the rotor is star connected and has an impedanceof (0.6+6j)Ω per phase. Find the rotor current when the machines is
(i) At standstill with sliprings joined to a star connected starterwith phase impedance of (5+4j)Ω.
(ii) Running normally with 4% slip.

Reference no: EM13291460

Questions Cloud

Draw the power triangle and calculate the line current : A 480 V, three phase system is supplying a 10kW heater and a 5kVAR cap bank. draw the power triangle and calculate the line current
Determine the generator efficiency at full load : A 100kW,230V,shunt generator has Ra=0.05ohm and Rt=57.5ohmassume that htere is negligible voltage drop across the brushes. ifthe generator operates at rated voltage, calculate the following: a) induced voltage at full load b) induced voltage at hal..
Many adolescents today are so caught up on what others are : Many adolescents today are so caught up on what others are saying and doing in my opinion. They want to be with the end crowd and follow others instead of separating themselves and being different.
Adults are motivated by some external factorcs such as : Adults are motivated by some external factorcs, such as promotions, salaries, and pressure from authority figures. However, internal motivators that help adults solve problems in their life,
Find the rotor current when the machines is running normally : a 3-phase slip ring induction motor gives a reading of 60volts,across a slip ring of open circuit. When at rest with normal statervoltage applied, the rotor is star connected and has an impedanceof (0.6+6j)Ω per phase.
Find the motors running speed and the power output : A permanent magnet motor is driving a load that requires 0.08Nm.The motor data is:RA =2W, VA =12v,Kt =0:05Nm/A ,KG = 0:004 V/RPM . Find themotors running speed and the power output.
How does this affect one role as a counselor : Addiction distorts the image of God in human beings and adversely impacts sanctification in a believer. He also mentioned that some believers can struggle with addictions. Discuss why you agree or disagree with his statements
Determine the counter torque and the power input : A permanent magnet generator has Kt = 0:02Nm/A . The terminal voltage is six volts. It is spinning at 2500 rpm. It is connected to a load with a resistance of 30W. Determine the counter torque and the power input.
Design a logic circuit that takes the output of buttons : At a design review for your first engineering project, you presentthe project to a panel of three senior engineers who will vote onwhether your project should be funded or not. The senior engineerswill vote using an electrical switch with two posi..

Reviews

Write a Review

Electrical Engineering Questions & Answers

  Calculate m assuming the area of the coil

A 60-turn coil carries a current of 2A and lies in the plane x + 2y- 5z = 12 such that the magnetic moment m of  the coil is directed away from the origin. Calculate m, assuming that the area of the coil is 8cm2.

  Calculate the line-to-line voltage at the load terminals

A delta connected load consists of three identical impedances Z=45 at 60 degrees per phase. It is connected to a three phase, 208-V source by a three phase feeder with conductor impedance Zfeeder=(1.2+j1.6) Ohms per phase.

  Write and test a program for the easy68k to input a string

Write and test a program for the EASy68k to input a string from the keyboard and output a reversed string to the screen. Use a subroutine to perform the string reversal operation.

  Define whether given function had finite or infinite energy

How would you determine whether a given function, f(t), had finite or infinite energy. Give an example of a function with finite energy and one with infinite energy.

  Find the voltage gain realized

A transconductance amplifier with Ri = 2 kΩ, Gm = 40 mA/V , and Ro = 20kΩ is fed with a voltage source having a source resistance of 2kΩ and is loaded with a 1kΩ resistance. Find the voltage gain realized (from the source internal voltage to the o..

  Give calculation to get maximum marks and mention units

Use nodal analysis to find VO in the network given below. Identify and label each node otherwise you will lose your marks. Write each step of the calculation to get maximum marks and also mention the units of each derived value.

  Find what is the real power applied to the motor in watt

A motor with efficiency of 76% supplies 20 hp to a load. it's power factor is 0.6 (lagging). A voltage of 440 VAC (RMS), 60 hz is applied to the motor. a) what is the real power applied to the motor in Watt

  Find the no load speed-stalled torque and stalled current

The resistance of the coil is 0.2 ohm. The inductance of the coil is 1.2e-4 H. The rotor inertia is 1.0e-5 kg m2. The current to torque gain is 0.03 Nm/A. The friction torque is 0.09 Nm. A 12 V voltage source is applied to the motor.

  Specify the functions realized by each function generator

a. Tablulate the truth table for an 8x4 ROM that implements these Boolean functions. b. Tabulate the PLA programming table for these functions. Minimuze the number of product terms. c. Implement this circuit using a PAL with 3 inputs, 4 outputs and 3..

  Design a three-digit 12-bit incrementor and derive the code

The binary-coded-decimal (BCD) format uses 4 bits to represent 10 decimal digits. For example, 259 in base 10 is repesented as "010 0101 101" in BCD format. A BCD incrementor adds 1 to a number in BCD format.

  Find the inductive and capacitive reactance at resonance

in a RLC series circuit R=500Ω L=0.4mH and C=100pF the circuit is connected to the terminals of an ac source with an rms voltage of 1V, and a variable frequency calculate the following A) resonant frequency

  What current in amperes will flow through the bulbs

A 100 W bulb takes 0.833A and a 200 W bulb takes 1.67 A from a 120V source. If the two bulb were connected across a 240 V source, what current in amperes will flow through the bulbs?

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