A three-phase induction motor in a 440-V distribution system under an abnormal condition receives highly unbalanced three-phase
Question:
A three-phase induction motor in a 440-V distribution system under an abnormal condition receives highly unbalanced three-phase voltages Ṽa = 360∠0°, Ṽb= 360∠−90°, and Ṽc = 720∠−225°. Determine the symmetrical component voltages V+a, V−a, and V0a, and comment on approximate motor current and power losses in the rotor and stator.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 0% (1 review)
To analyze the effects of unbalanced voltages on a threephase induction motorwe need to determine the symmetrical componentsVaVaand V0aThese components represent the positivesequencenegativesequencean...View the full answer
Answered By
Asim farooq
I have done MS finance and expertise in the field of Accounting, finance, cost accounting, security analysis and portfolio management and management, MS office is at my fingertips, I want my client to take advantage of my practical knowledge. I have been mentoring my client on a freelancer website from last two years, Currently I am working in Telecom company as a financial analyst and before that working as an accountant with Pepsi for one year. I also join a nonprofit organization as a finance assistant to my job duties are making payment to client after tax calculation, I have started my professional career from teaching I was teaching to a master's level student for two years in the evening.
My Expert Service
Financial accounting, Financial management, Cost accounting, Human resource management, Business communication and report writing. Financial accounting : • Journal entries • Financial statements including balance sheet, Profit & Loss account, Cash flow statement • Adjustment entries • Ratio analysis • Accounting concepts • Single entry accounting • Double entry accounting • Bills of exchange • Bank reconciliation statements Cost accounting : • Budgeting • Job order costing • Process costing • Cost of goods sold Financial management : • Capital budgeting • Net Present Value (NPV) • Internal Rate of Return (IRR) • Payback period • Discounted cash flows • Financial analysis • Capital assets pricing model • Simple interest, Compound interest & annuities
4.40+
65+ Reviews
86+ Question Solved
Related Book For
Introduction To Electrical Power And Power Electronics
ISBN: 9781466556607
1st Edition
Authors: Mukund R. Patel
Question Posted:
Students also viewed these Engineering questions
-
A three-phase induction motor in a 690-V distribution system under an abnormal condition is working on highly unbalanced three-phase voltages V a = 450 0, V b = 45090, and V c = 900225. Determine its...
-
What is the change in operating profits if the one - time - only special order for 1,020 units is accepted for $540 a unit by Crandle? A. $153,000 decrease in operating profits O B. $153,000 increase...
-
A 1220-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam. Using the data shown in the drawing,...
-
Corporations disclose the number of shares authorized, issued, and outstanding. What is the meaning of each of those terms? What causes a difference between the number of shares issued and the number...
-
On October 31, 20Y5, the balances of the accounts appearing in the ledger of Quality Interiors Company, a furniture wholesaler, are as follows: a. Prepare a multiple-step income statement for the...
-
On June 8, 2017, Eugene Weiner made a post on Isaac Aflalos Facebook page. The post read, Yurim and Isaac took advantage of a old 94plus sick man elder abuse [sic]. Alflalo took umbrage to the post...
-
Exeter Corporation has recently begun a continuous improvement campaign. As a consequence, there have been many changes in operating procedures. Progress has been slow, particularly in trying to...
-
Wood Jojo is a carpenter and now he needs X metres of wood. He is now in a forest with N trees with integer height in metres, A 1 , A 2 , . . . , A N . He has a special cutting device. The device can...
-
Identify the effect of unbalanced voltage on motor operation and the remedy to maintain its normal service life.
-
Explain the difference between dual-frequency and dual-voltage motors in construction and operation.
-
In Exercises 110, find f(g(x)) and g( f(x)) and determine whether each pair of functions f and g are inverses of each other. f(x) = -x and g(x) = -X
-
When building a Java Web service, a that contains Web container for the must be built first. a. Web service, Web application b. Web client, Web consuming project c. Web service, Web client project d....
-
In WSDL terminology, each Web Service is defined as a and each Web method is defined as an abstract . a. Method, function b. Service, operation c. Endpoint, function d. Port, operation
-
In a REST-based Java Web Service, the REST means . a. REpresentational State Transfer b. REpresentational State Transmitter c. REpresentational Status Transfer d. Rapid Essential State Transfer
-
Explain the operational sequence of adding a Web service operation into a method in a client project to enable the latter to call that operation.
-
Both Web service models, JAX-WS and JAX-RPC, are popular and updated models used in Web service development. (True/False)
-
October 1 began business by making a deposit in a company bank account of $12,000, in exchange for shares of $10 par value common stock. How this should be posted to the general journal and T...
-
Determine by direct integration the values of x for the two volumes obtained by passing a vertical cutting plane through the given shape of Fig. 5.21. The cutting plane is parallel to the base of the...
-
Convert the viscosity of mercury (1.5 x 10 -3 kg/(m s)) to the dimensions of slug/(ft s) and centipoise.
-
Michael Phelps won a record-setting 8 gold medals at the 2008 Beijing Olympics. Now imagine if Phelps had competed in a pool filled with pancake syrup. Would you expect his race times to increase,...
-
The fuel tank on a sport-utility wagon holds 14 gal of gasoline. How much heavier is the automobile when the tank is full compared to when it is empty?
-
Twin Rivers Corporation has budgeted for the following sales: Test 2 22 24 25.png Credit Sales are collected as follows: 40% in the month of sale and 60% in the month following the sale. What is the...
-
A company knows from a market analysis that a price increase of 1% will reduce the current demand by 0.8%. What change in sales does the company expect if they increase the price by 10%.?
-
IMP and LN are competitors in the live music industry. Bothpromote concert tours and operate concert venues, but they differin geographic reach. Plaintiff IMP is a regional player thatpromotes...
Study smarter with the SolutionInn App