ECNG2000 – Electromechanical Energy Conversion Tutorial 4 – DC Machine 1. Describe operation of DC machine (motor and generator) using illustrations. Specifically explain the purpose of: a. brushes d. armature winding b. split ring commutators e. effect of back emf (in operation) c. field winding 2. Draw the different configurations of DC machines a. shunt c. separately excited b. series 3. Develop‚ using Kirchhoff’s laws‚ equation for Ea (armature voltage) in both motoring and generating mode
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I. Case Context Xerox Company is a multinational corporation engaged in the business of global document-processing and financial services markets. The document processing product line included the manufacture‚ development‚ and marketing of copiers and duplicators‚ facsimile products‚ scanners‚ and other related equipment in over 130 countries. Meanwhile‚ its financial services operations included insurance‚ equipment financing‚ investments‚ and investment banking. Since it was founded in 1906
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factor to people’s dreams—it is no exception in the novel‚ One Flew Over the Cuckoo’s Nest by Ken Kesey. Narrator Chief Bromden refers to society as the Combine. The definition of a combine is “an agricultural machine that cuts‚ threshes‚ and cleans a grain crop in one operation‚” or a machine that cuts and levels out that which it consumes. Society is like a combine in that it restrains‚ manipulates‚ and obliterates anyone who tries to stand up against it. Through his recount of the story of McMurphy
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Marriott Corporation: The Cost of Capital April 2012 Executive Summary Determining the appropriate cost of capital for new investment projects for a diversified company like the Marriott Corporation is not an easy endeavor. However‚ it is an important exercise because the more effective the process‚ the better it can help to support the company’s growth objective with its financial strategy. The four components of the financial strategy are: manage rather than own hotel
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Line Following Robot By‚ Priyank Patil Department of Information Technology K. J. Somaiya College of Engineering Mumbai‚ India Line Follower Contents 1. Summary 2. Introduction 2.1. What is a line follower? 2.2. Why build a line follower? 2.3. Background 2.4. Prerequisites 2.5. The AVR microcontroller 3. Overview Block Diagram and Architectural Overview 3.1. 3.2. The Algorithm 4. Implementation 4.1. Sensor Circuit Motor Interface and Control Circuit 4.2. 4.3. Source Code 5. Possible Improvements
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Flowcharts System Flowcharts Guidelines for Drawing System Flowcharts PROBLEMS CASE ANALYSES The Berridge Company FreezeTime‚ Inc. The Dinteman Company Lois Hale and Associates PROCESS MAPS AND DATA FLOW DIAGRAMS Process Maps Guidelines for Drawing Process Maps Data Flow Diagrams Guidelines for Drawing Data Flow Diagrams REFERENCES AND RECOMMENDED READINGS ANSWERS TO TEST YOURSELF OTHER DOCUMENTATION TOOLS Program Flowcharts Decision Tables Software Tools for Graphical Documentation and
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Case Study: ‘Ocean Carriers’ By: Alyssa Linder Wenliang Zhang Xhangoli‚ Eva 1. Daily spot hire rates are determined according to supply and demand of the shipping capacity. According to the article‚ the supply of ships available equals the number of ships currently in the fleet plus any new ships added‚ minus any scrapings and sinking. According to Exhibit 2‚ there are a limited number of ships older than 24 years which are likely to be scraped. For those ships under the age group
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Case 1: Stryker Corporation: In-sourcing PCBs State the business case for option #3‚ the PCB In-sourcing proposal. What is the benefit? What is the risk? How do you compare this proposal to option #1 and #2? (2 points) Option #3 is the project for Stryker to manufacture its own PCBs in its own facility. Benefits: This option allows Stryker to control over the products’ quality and delivery in highest degree. The company can supervise every process of the production line to get every product
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Algal Research 2 (2013) 445–454 Contents lists available at ScienceDirect Algal Research journal homepage: www.elsevier.com/locate/algal Process development for hydrothermal liquefaction of algae feedstocks in a continuous-flow reactor Douglas C. Elliott ⁎‚ Todd R. Hart‚ Andrew J. Schmidt‚ Gary G. Neuenschwander‚ Leslie J. Rotness‚ Mariefel V. Olarte‚ Alan H. Zacher‚ Karl O. Albrecht‚ Richard T. Hallen‚ Johnathan E. Holladay Pacific Northwest National Laboratory‚ P.O. Box 999‚ MSIN P8-60
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Wayback Machine: AOL.com circa 1997 The World Wide Web is a powerfully fluid and dynamic network of information‚ accessed over the medium of the Internet‚ that was popularized in the mid-nineties. Revolutionizing the way people can learn‚ entertain‚ communicate‚ and share‚ the World Wide Web is responsible for the ease that we have grown so accustomed to within our lives. Tim Bernes-Lee‚ a British scientist at CERN‚ conceived the web as means of sharing information between scientists and government
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