Find the load torque - output power and armature current

Assignment Help Electrical Engineering
Reference no: EM131026105

A shunt-connected motor has the magnetization curve shown in Figure. Ignore rotational losses in this problem. The motor is supplied from a source of VT = 240V and has RA = 1.5 Ω. The total field resistance is RF + Radj = 160 Ω.

a. Find the no-load speed.

b. A load is connected and the speed drops by 6 percent. Find the load torque, output power, armature current, field loss, and armature loss.

2408_loss.png

Reference no: EM131026105

Questions Cloud

Proposed purchase of the new machine : They estimate that the old machine could be sold at the end of 4 years to net $15,000 before taxes; the new machine at the end of year 4 has a value of $75,000 that is relevant to the proposed purchase of the new machine. The firm is subject to a ..
Heat curve for an unknown outerspace substance : The figure below is a heat curve for an unknown outerspace substance discovered by the Mars rover. By understanding the heat curve, scientists can make inferences about the composition of the planet. What is the temperature of fusion, Tfusion, and va..
Worry about management changes : Lastly, for investors who worry about management changes, there is a solution: index funds.  These mutual funds by stocks and bonds that track a benchmark index like the S&P 500 rather than relying on star managers to actively pick securities.  In..
An investment is expected to produce : An investment is expected to produce $1,025 at the end of each year for the next 11 years. Other investments of similar riskiness available to you are yielding 11.2 percent return. What is the maximum you should be willing to pay for this investment?
Find the load torque - output power and armature current : A shunt-connected motor has the magnetization curve shown in Figure. Ignore rotational losses in this problem. The motor is supplied from a source of VT = 240V and has RA = 1.5 Ω. The total field resistance is RF + Radj = 160 Ω. Find the no-load ..
Which current if or ia is larger under full-load operating : Suppose that a dc machine is designed such that the voltage applied to the field VF is equal to the voltage VT applied to the armature. In a well-designed machine, which current, IF or IA, is larger under full-load operating conditions? Why? What ..
What is the autonomous consumption level : What is the MPC? What is the MPS? What is the autonomous Consumption level (with respect to Yd)? Show that in equilibrium, leakages equal injections (be sure to list all leakages and injections). Suppose that investment spending increased by 50, to 1..
Analyze the key regulations concerned with compliance : Identify the relevant agencies that will impact meaningful use of electronic records and of quality in hospitals. The group will then research and analyze the key regulations concerned with compliance and reimbursement.
Invest in a financial asset that is expected to generate : You invest in a financial asset that is expected to generate $500 in year 1, $300 in year 2, and $600 in year 3. The required rate of return on your investment is 8%. The fair price to you today is the future value of all three future cash flows at 8..

Reviews

Write a Review

Electrical Engineering Questions & Answers

  What benefit does the isr have over standard polling code

What distinguishes an external interrupt from an RTI interrupt Describe what transpires when an interrupt occurs What is an interrupt service routine What benefit does the ISR have over standard polling code

  How can someone detect an overflow condition during addition

An overflow occurs when the result of adding two number is larger than can be represented. for example, two 4-bit signednumbers will cause an overflow if their result is greater than +7or less than -8.

  Determine the voltage

Determine the voltage

  Graph the magnitude and phase of the dtft

Use MATLAB to find, and to graph. the unit-sequence response of the system - Graph the magnitude and phase of the DTFT of x[n - 2].

  Design a sequential logic system

For the feedback register shown in Figure 1, determine the count sequence. Assume an initial state of Qa, Qb, Qc, Qd,Qe = 10000. Design a sequential logic system, using JK Flip-Flops, which detects a bit pattern of 1101 in a stream of serial data.

  Downloading the financial report from the walt disney

Your responsibility will be to do three ratios from the Activity Ratios. The three being: Inventory Turnover, Accounts Receivable Turnover, and Total Asset Turnover. Either by downloading the financial report from the Walt Disney website, or on the N..

  Explain the significance of each of these intersections

Construct a horizontal line on your I versus V graph at the point I = 1 mA. This line will intersect each of the sloping lines at two separate points. Explain the significance of each of these intersections

  Find the dc collector current and dc voltage at collector

A -find the dc collector current and the dc voltage at the collector. B Replacing the trasistor by its T-model, draw the small signal equivalent circuit of the aplifier. Analyze the resulting circuit to determine the voltage gain vo/vi.

  Describe as best as possible an automatic garage door opener

discuss to describe as best as possible an automatic garage door opener system. You should either use one you are familiar with as an example, or recall the details from one or more that you imagine could be available

  Compute the power loss in a transmission line with a

compute the power loss in a transmission line with a resistance of 0.05 ohmsmile. compute the power loss if 500kw of

  Determine how many panels and batteries should be installed

The equipment works in reception mode, 24 hours a day and throughout the year. About 120 daily Call Ringtone, a median time of 3 min duration each, except Saturdays and Sundays, which are carried out almost no calls are carried out.

  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

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