Chapter (11) Synchronous Motors Introduction It may be recalled that a d.c. generator can be run as a d.c. motor. In like manner‚ an alternator may operate as a motor by connecting its armature winding to a 3-phase supply. It is then called a synchronous motor. As the name implies‚ a synchronous motor runs at synchronous speed (Ns = 120f/P) i.e.‚ in synchronism with the revolving field produced by the 3-phase supply. The speed of rotation is‚ therefore‚ tied to the frequency of the source. Since
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Table of Contents INTRODUCTION 3 MATLAB SIMULATION 4 DISCUSSION 8 REFERENCE 10 INTRODUCTION Synchronous generators or alternators are synchronous machines used to convert mechanical power to ac electric power. Nowadays‚ an isolated synchronous generator supplying its own load independently of other generators is very rare. Such a situation is found in only a few out-of-the-way applications such as emergency generators. For all usual generator applications‚ there is more than one generator
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1.1 SYNCHRONOUS GENERATOR THEORY The synchronous generator‚ like all generators works on the principle that when a coil is placed in varying magnetic field‚ an emf is induced in the coil. Synchronous Generator consists of two main windings‚ the armature winding and the field winding. The armature winding is on the stator and the field winding is on the rotor. For a three phase generator‚ the windings of each phase of the armature are displaces by 120 degrees from each other around the inside periphery
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Asynchronous communication utilizes a transmitter‚ a receiver and a wire without coordination about the timing of just how long the transmiter leaves the signal at a certain level to represent a single digital bit. Each device uses a clock to mesure out the ’length’ of a bit. The transmitting device simply transmits. The receiving device has to look at the incoming signal and figure out what it is receiving and coordinate and retime its clock to match the incoming signal. Sending data encoded
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GRADE Date submitted: February 5‚ 2014 Engr. Paulo Tindogan Professor The Synchronous Motor Angelo Albert B. Cabral #1‚ Mariel Dan C. Casibang #2 Department of EECE‚ Mapua Insitute of Technology Muralla St.‚ Intramuros‚ Manila‚ Philippines 1 Angelo_Albert07@yahoo.com.ph 2dancasibang@gmail.com Abstract—an ac series motor
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Synchronous Digital Hierarchy (SDH) Survey Report Objective: To conduct a survey on the SDH technology and its implementation in Pakistan SUBMITTED TO: SIR MUHAMMAD RAMZAN Saman Ishtiaq Malik (Reg No. 206) Shumaila Batool (Reg No. 209) Sumaira Shamim (Reg No. 212) Hira Jafri (Reg No. 214) Yumna Ghazi (Reg No. 217) Zonera Tahir (Reg No. 220) 0|Page Certificate of Originality We hereby declare that this submission is our own work and to the best of our knowledge of belief‚
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in a MRP system‚ a JIT system‚ and in Synchronous Manufacturing. Which system do you believe to be superior? Why? Jacobs and Chase (2011) state that an MRP system allows for rejects by building larger batch quantities than actually needed. They further state that a JIT system cannot tolerate poor quality because JIT success is based on balanced capacity and a defective part can shut down an entire JIT system (Jacobs & Chase‚ 2011‚ p. 695). A synchronous manufacturing system has excess capacity
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Why does God allow evil? This excerpt was written by Richard Swinburne‚ which overall talks about his beliefs concerning God. His theistic view on the subject can strongly be seen through his writing. Ultimately‚ theism is the belief that there is one god who is the ruler of the world and the universe. Richard Swinburne is the leading advocate of a theistic point of view. His main message was to answer the question “Why does God allow evil?” and I believe he did a great job describing his overall
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TERM PAPER ON “ASYNCHRONOUS v/s SYNCHRONOUS CIRCUITS” COMPUTER ORGANIZATION AND ARCHITECTURE (CSE 2011) SUBMITTED BY:- RAGHVENDRA SINGH ACKNOWLEDGEMENT I would like to take this opportunity to thank certain people without whom I would not have been able to make this project report. Firstly‚ I would like to express my gratitude towards my teacher‚ Mr. Harshpreet Singh Walia‚ Assistant Professor‚ Department of CSE‚ for his kind co-operation and encouragement which
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CHAPTER – I INTRODUCTION 1.1 GENERAL INTRODUCTION At the outset‚ the study has a focused approach on identifying the Training Needs (TN) of the employees in RELIANCE COMMUNICATIONS. There are many methods in identifying the Training Needs of the employees. One such method is the assessment of Training needs (TN) or Training Need Assessment (TNA). Training more over heighten the morale of the employees‚ for its helps in reducing dissatisfaction‚ complaints‚ grievances and absenteeism‚
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