A three-phase, four-pole, 60-Hz induction motor is running at 1746 rpm under full load. Determine the regenerative
Question:
A three-phase, four-pole, 60-Hz induction motor is running at 1746 rpm under full load. Determine the regenerative braking torque at the instant of frequency suddenly reduced to 95% using variable frequency drive while maintaining the V/f ratio constant. Develop your answers in percentage of rated values.
Transcribed Image Text:
60 Hz 100% V 1750 rpm TM 0 TG Ramp down Vand f, keeping V/f constant Motor torque Frequency - Voltage Speed Generator torque RG braking off Mechanical brakes on Time
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Answer rating: 100% (4 reviews)
Equations b and c in a give T em K 4 rotor slip speed At 60 Hz torque rated value synch speed 18...View the full answer
Answered By
Anthony Ngatia
I have three academic degrees i.e bachelors degree in Education(English & Literature),bachelors degree in business administration(entrepreneurship option),and masters degree in business administration(strategic management) in addition to a diploma in business management.I have spent much of my life in the academia where I have taught at high school,middle level colleges level and at university level.I have been an active academic essays writer since 2011 where I have worked with some of the most reputable essay companies based in Europe and in the US.I have over the years perfected my academic writing skills as a result of tackling numerous different assignments.I do not plagiarize and I maintain competitive quality in all the assignments that I handle.I am driven by strong work ethics and a firm conviction that I should "Do Unto others as I would Like them to do to me".
4.80+
76+ Reviews
152+ 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, 100-hp, four-pole, 60-Hz induction motor is running at 1740 rpm under full load. Determine the RGB torque at the instant of reducing frequency to 96% using a variable-frequency drive...
-
5. The yield curves on the dollar and yen are flat at 8 percent and 4 percent per year, respectively. An investment banker is considering issuing a dollar/yen dual-currency bond for 150 million. This...
-
Instructions The objective of this assignment is to write a comprehensive Change Management Plan, a Change Log, and a Change Request (CR) for managing changes within a fictional organization. The...
-
Sentry Transport, Inc., of Atlanta provides in-town parcel delivery services in addition to a full range of passenger services. Sentry engaged in the following activities during the current year: a....
-
Taggart Corp. records adjustments each month before preparing monthly financial statements. The following selected account balances on May 31, 2010, and June 30, 2010, reflect month-end adjustments:...
-
You roll a fair die three times. What is the probability that a) You roll all 6's? b) You roll all odd numbers? c) None of your rolls gets a number divisible by 3? d) You roll at least one 5? e) The...
-
Analyze data by the relevant-information approach to support a decision for adding or deleting a product line.
-
Refer to Apples financial statements in Appendix A to answer the following. 1. Using fiscal 2011 as the base year, compute trend percents for fiscal years 2011, 2012, and 2013 for net sales, cost of...
-
Members of fraternities and sororities are required to volunteer for community service. Do fraternity brothers work an equal number of volunteer hours on average compared to sorority sisters? The...
-
What is a rough estimate of % energy that can be saved using RGB in city metro trains with stations only 1 mi. apart?
-
A 200-kVAR, 2400-V, 50-Hz, three-phase European-made capacitor bank is connected to 3300-V, 60-Hz lines in the United States. Determine its new kVAR capacity in the United States.
-
The Wells Fargo recent crisis over mismanaging customer relationships, fraudulently implementing illegal and unethical sales practices with trusted clients, has cost the company in fines, lost...
-
Find and review the Twitter accounts of three reporters: One from a national news organization (CNN, New York Times, Washington Post, etc.) One from a regional/local news organization (Centre Daily...
-
Shariq Malouf is close to being hired for a job he really wants. The position is a project manager in the IT department of a large corporation. He is on his third interview with Alicia Rhodes, who...
-
According to http://www.youtube.com/watch?v=RxsOVK4syxU the poetry interp of Taylor Mali on" What Teachers make" What is the subject of the poem? Was the poem completely memorized? Did the poem act...
-
1. Provide an update on your civic activity. What are you doing? How is it going? What are you observing? Has the activity aligned with your expectations? 2. what are three potential negative...
-
You have successfully negotiated the draft budget with each department head of the Hotel which has no been approved by the director and implemented 6 weeks ago. You have finalised the financial data...
-
How does Collusive pricing differ from Predatory pricing?
-
Show that the block upper triangular matrix A in Example 5 is invertible if and only if both A 11 and A 22 are invertible. Data from in Example 5 EXAMPLE 5 A matrix of the form A = [ A11 A12 0 A22 is...
-
Find the activity (not the activity coefficient) of the (C 3 H 7 )4N + (tetrapropylammonium) ion in a solution containing 0.005 0 M (C 3 H7) 4 N + Br - plus 0.005 0 M (CH 3 )4N + Cl - .
-
Using activities, find [Ag + ] in 0.060 M KSCN saturated with AgSCN(s).
-
Using activities, calculate the pH and concentration of H + in 0.050 M LiBr at 25 C.
-
Please help me to solve these questions. Thank you so much! 1. Which of the following is not correct relating to financial statement audit? A) Financial statement audits of today place more emphasis...
-
Wham Products, a maker of specialty products, is currently manufacturing and selling a product called Gory Goo. A discount department store, J-Mart, has made a one-time offer to purchase 58,000 units...
-
Lunar Entertainment is a provider of cable, Internet, and on-demand video services. Lunar currently sends monthly bills to its customers via the postal service. Because of a concern for the...
Study smarter with the SolutionInn App