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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EPHE 380 – Motor Control Final Exam Ian Haig V00711512 Scenario: Walking down a 45 degree slope with a surfboard under my left arm and a large mountaineering backpack on my back. I was walking down the trail to Sombrio Beach which is about a 1.5k hike down a steep trail to the ocean. I had a surfboard under my right arm‚ an axe in my left hand‚ and a large 40 litre hiking backpack fully loaded with supplies on my back. About half way down there is a left turn in the trail which has a declining
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READ MOREBrushless DC Motors are an important class of highly efficient electric motors. They are most frequently used in electric vehicles because of their high efficiency and high power density. They are also present in the small DC fans used in power supplies and CPU coolers. In order to discuss the Brushless DC Motor it is important to first have a basic understanding of the more common Brushed DC Motor which is present in many household items. The brushed DC motor consists of a rotor (the
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General Motors was founded in September of 1908 by William Durant during a time that there were less than 8‚000 in the United States. Durant was already known in Flint‚ Michigan for his horse drawn vehicles. “At its inception GM held only the Buick Motor Company‚ but in a matter of years would acquire more than 20 companies including Oldsmobile‚ Cadillac‚ and Oakland‚ today known as Pontiac.”(History & Heritage-Creation‚” 2014) General Motors set the tone in the automobile industry with design
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Motor Graders in Construction The motor grader is a large multipurpose machine used for many different construction operations. These many operations include but are not limited to: grading‚ shaping‚ bank sloping‚ ditching‚ and scarifying. Graders can also be employed to clear roads of snow and debris without doing any damage to the underlying roadway surface. Graders are much more “gentle” than dozers and other large pushing machinery. Motor graders are designed for preparing the substrate of roads
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Tesla Motors INTRODUCTION Attention Getter/ Thesis Statement: Tesla’s designs and ideas have changed the world. Most of our cars and trucks currently run on gasoline‚ and the shortage of fossil fuel is becoming a serious matter. The available alternatives are Electric‚ Hydrogen and Hybrid vehicles. Hybrid cars still emit carbon dioxide; Hydrogen cars produce pure water as waste‚ but technical problems need to be overcome. Moreover‚ hydrogen fuel cells use platinum for catalysts and supplies
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productivity Introduction ( 5 minutes) Overview of the lesson: to look at Nissan and examine the reasons for its high levels of productivity. You will look at the way it works with its employees and its use of lean production techniques. Nissan Motor Manufacturing UK Limited (NMUL) is UK’s largest car manufacturing plant which is located near Sunderland. It has been Europe’s most productive car plant for the past seven years. Cars produced include the Almera‚ Micra and Primera. Over 70% of output
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Local Motor Input from potential customers and car enthusiasts Community-help-> select the model to produce Create ideation contest Existing customer to bring new customer Involve customers to cars production->Customer assembles parts-> 60 hours of assembling- microfactory(local) Good ? Yes. Big players are bankrupt American market is moving to full-design and attentative No mass production->$50k (experimental) Are the designer customers? Are car enthusiasts customers? Do-it –yourself
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Andrew Martin COMM 336 Informative Paper 4/4/2013 Tesla Motors Tesla Motors is a car company that designs‚ manufactures and sells electric vehicles. This public company was founded in 2003 by Ian Wright‚ JB Straubel‚ Marc Tarpenning‚ Martin Eberhard and most notably Elon Musk. Its headquarters is located in Palo Alto‚ California‚ with its main production plant in Fremont‚ California. The company was named after Nikola Tesla‚ a renowned electrical engineer and physicist. Its goal is to
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COSTING FOR TATA MOTORS The Passenger Car division was born out of a vision to offer the Indian customer all the comfort of a big car‚ at the price of a small car. The Indica was formally launched in 1998 & has rewritten the rules of the Indian car industry ever since then. The latest addition to the Tata Motors family after the launch of Indigo which is designed to deliver never-before levels in luxury‚ safety‚ power and comfort on Indian roads is the New Indica V2. Refreshingly different‚ with
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