Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Dec 29, 2022

A 37.7 HP, 220 V d.c shunt motor with a full load speed of 535 rpm is to be braked by plugging. Estimate the

A 37.7 HP, 220 V d.c shunt motor with a full load speed of 535 rpm is to be braked by plugging. Estimate the value of resistance which should be placed in series with it to limit the initial current to 200 A. (8)

Step by Step Solution

★★★★★

3.29 Rating (164 Votes )

There are 3 Steps involved in it

Step: 1

The detailed ... blur-text-image

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Electric Machinery

Authors: Charles Kingsley, Jr, Stephen D. Umans

6th Edition

71230106, 9780073660097, 73660094, 978-0071230100

More Books

Students also viewed these Electrical Engineering questions

Question

★★★★★

Delltrix Corp., a customer support provider, needs operators who are bilingual in English and Spanish. A few applicants of Spanish origin are rejected because of their poor English language...

Answered: 1 week ago

Question

★★★★★

A centrifugal pump operating at 1.800 rpm is to be designed to handle a liquid hydrocarbon of specific gravity 0.95. To check its performance, a half-scale model is to be tested, operating at 1,200...

Answered: 1 week ago

Question

★★★★★

A motor delivers 275 hp at 1000 rpm to the end of a shaft (see figure). The gears at B and C take out 125 and 150 hp, respectively. Determine the required diameter d of the shaft if the allowable...

Answered: 1 week ago

Question

★★★★★

Write a function named "count the" in C which counts the number of times a given word "the" appears in the string parameter. Test Data: Input: The string where the word the present more than once....

Answered: 1 week ago

Question

★★★★★

Record the following transaction in a transaction analysis chart for the buyer: Bought merchandise for $9,100 on account. Shipping terms were F.O.B. destination. The cost of shipping was $460. Assume...

Answered: 1 week ago

Question

★★★★★

Hewlett-Packard is a technology company, yet it turned to a contractor to create computerized training games. Evaluate the pros and cons of using a contractor in that situation?

Answered: 1 week ago

Question

★★★★★

Maria has bought a toy which contains a bag with the 26 letters of the alphabet in it. (i) Maria selects five letters at random. What is the probability that the letters she chose can be rearranged...

Answered: 1 week ago

Question

★★★★★

Mercury Bag Company produces cases of grocery bags. The managers at Mercury are trying to develop budgets for the upcoming quarter. The following data have been gathered: Projected sales in units . ....

Answered: 1 week ago

Question

★★★★★

Miller and Sons, Inc. has the following mutually exclusive projects available. The company has historically used a four-year cutoff for projects. The required return is 11 percent. Year 0 1 2 3 4 5...

Answered: 1 week ago

Question

★★★★★

The following accounts are from Yoojin Changs interior design company, Big Apple Design. For each account, complete the following. The first one has been completed for you as an example. (1) The...

Answered: 1 week ago

Question

★★★★★

Blue Skies Equipment Company uses the aging approach to estimate bad debt expense at the end of each accounting year. Credit sales occur frequently on terms n/60. The balance of each account...

Answered: 1 week ago

Question

★★★★★

Inventory Microbucks Computer Company makes two computers, the Pomegranate II and the Pomegranate Classic, at two different factories. The Pom II requires 2 processor chips, 16 memory chips, and 20...

Answered: 1 week ago

Question

★★★★★

Calculate the Critical Ratios (CR): (Enter all responses rounded to two decimal places.) Job CR 1 The following jobs are waiting to be processed at Jeremy LaMontagne's machine center. Today is day...

Answered: 1 week ago

Question

★★★★★

Employees at a large manufacturer are surprised to find that cameras have been installed throughout the plant and all email communications are being monitored. Many are concerned about privacy and...

Answered: 1 week ago

Question

★★★★★

Compute Wynn Memorial Nursing Home's days in accounts receivable. Compute Wynn Memorial Nursing Home's average payment period. Balance Sheet for Wynn Memorial Nursing Home Wynn Memorial Nursing Home...

Answered: 1 week ago

Question

★★★★★

10. Three polarizing disks have planes that are parallel and centered on a common axis. The direction of the transmission axis (dashed line) in each case is shown relative to the common vertical...

Answered: 1 week ago

Question

★★★★★

Research Driven Activity Question1(Cost sheet) 2. The following particulars have been obtained from the cost racerde for the vaar 707 ? Assume that all product manufactured during the year have beeb...

Answered: 1 week ago

Question

★★★★★

The following cost information was provided to you for analysis: September 12,000 Units Produced Costs: TIC TAC TOE TING August 10,000 P80,000 70.000 60.000 50,000 How much is the fixed cost per...

Answered: 1 week ago

Question

★★★★★

A 15-kW, 250-V, 1150 r/min shunt generator is driven by a prime mover whose speed is 1195 r/min when the generator delivers no load. The speed falls to 1140 r/min when the generator delivers 15 kW...

Answered: 1 week ago

Question

★★★★★

Consider a three-phase 6/8 VRM. The stator phases are excited sequentially, requiting a total time of 15 msec. Find the angular velocity of the rotor in r/min.

Answered: 1 week ago

Question

★★★★★

The inductor of figure has the following dimensions: a = h = w = 1.5cm b = 2cm g = 0.2cm The winding factor (i.e., the fraction of the total winding area occupied by conductor) is fw = 0.55. The...

Answered: 1 week ago

Question

★★★★★

Prepare another master scheduling table for tire pumps of Figure 13-12; use the same inputs as the example, but change the master scheduling rule from schedule production when the projected on-hand...

Answered: 1 week ago

Question

★★★★★

Solve Problem 14 using an inventory' holding cost of $2 per unit per month.

Answered: 1 week ago

Question

★★★★★

Update the table shown in Figure 13-12 given these updated inputs: It is now the end of week 1; customer orders are 35 for week 2, 16 for week 3, 11 for week 4, 8 for week 5, and 3 for week 6....

Answered: 1 week ago

Previous Question Next Question