ELECTRIC POWER UTILISATION AND ENERGY AUDITING UNIT – I ILLUMINATION‚ HEATING AND WELDING Nature-of radiation –definition – laws photometry – polar curves – lighting calculationsdesign of illumination systems (for residential‚ industrial‚ commercial and street lightings) - types of lamps-energy efficiency lamps. Methods of heating requirement of heating material-design of heating element-furnaces – Welding generator-welding transformer and its characteristics UNIT - II ELECTRIC TRACTION
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Ocean county college | SEPERATION OF A MIXTURE OF SOLIDS | DEPARTMENT OF CHEMISTRY | | John Curran | 2/23/2013 | COURSE INSTRUCTOR DR. NANCY MARASHI. | Background: During this experiment students will take a mixture and separate it into its’ pure substances. A mixture is a combination of two or more substance. These substances cannot be combined chemically but more physically. The pure substances are substances that cannot be separated any more by physical means. The students
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LS Separation of Mixtures and Solids Purpose: To become familiar with the separation of mixtures of solids Hypothesis: I will be able to separate the materials using a variety of different methods. First‚ separate the iron fillings using a magnet. Second‚ I will put the rest of the solution into water and separate the insoluble sand from the soluble salt and benzoic acid. Third‚ I will filter out the benzoic acid when crystalized. Lastly‚ I will evaporate the water away leaving crystallized
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How Stepper Motors Work Stepper motors consist of a permanent magnet rota ng sha ‚ called the rotor‚ and electromagnets on the sta onary por on that surrounds the motor‚ called the stator. Figure 1 illustrates one complete rota on of a stepper motor. At posi on 1‚ we can see that the rotor is beginning at the upper electromagnet‚ which is currently ac ve (has voltage applied to it). To move the rotor clockwise (CW)‚ the upper electromagnet is deac vated and the right electromagnet is ac vated‚ causing
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INTRODUCTION Tachogenerator is an electromechanical device which generates an electrical output directly proportional to the speed of the rotating systems. Tachogenerators are basically transducers. This transducer converts the speed of rotation directly into electrical signal. The angular speed is converted into a directly dependent voltage signals. The voltage thus generated is fed to a speedometer for speed measurement and /or used as a feedback signal for controlling the speed of a rotating
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EE 2403 SPECIAL ELECTRICAL MACHINES 2 MARKS UNIT-I - SYNCHRONOUS RELUCTANCE MOTOR 1. What is synchronous reluctance motor? A reluctance motor is a type of synchronous electric motor which induces non-permanent magnetic poles on the ferromagnetic rotor. Torque is generated through the phenomenon of magnetic reluctance. 2. Define the characteristics of synchronous reluctance motor. The synchronous reluctance motor is not self starting without the squirrel cage. During run up it behaves as an induction
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inclination‚ this method will give a accurate inclination grade‚ not like the pendulum system that was used during the experiment that give a very big uncertain reading of the inclination grade. I understand the use of the magnet to calibrate the pendulum but at the same time the magnet was causing a movement in pendulum giving a wrong or a hard time to read an accurate grade of inclination. 3) A clear dummy or mark on it that math with the teeth in which it was move will help to. Some time when
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Organisms and Their Surroundings Ø 17 & 18 Worksheets 10. Motion and Measurement of Distances Ø 19 & 20 Worksheets 11. Light‚ Shadows and Reflections Ø 21 & 22 Worksheets 12. Electricity and Circuits Ø 23 & 24 Worksheets 13. Fun with Magnets Ø 25 & 26 Worksheets 14. Water Ø 27 & 28 Worksheets 15. Air Around Us Ø 29 & 30 Worksheets 16. Garbage In‚ Garbage Out Ø 31 & 32 Worksheets (ii) 1 FOOD : WHERE DOES IT COME FROM WORKSHEET-1 SUMMATIVE ASSESSMENT Objective
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Mattel Toy I. Introduction : Mattel Toy Recall 2007 Case Study About Mattel In 1945‚ Ruth and Elliot Handler and Harold "Matt" Matson form a partnership called Mattel Creations in Southern California in a garage workshop that manufactured picture frames and dollhouse furniture. The world’s largest toy company‚ Mattel‚ Inc.‚ also known as “the world’s premiere toy company - today and tomorrow‚” designs‚ manufactures‚ markets‚ and distributes a variety of toy products all over the world. The company’s
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Literature Review of Electric Vehicle Technology Yuling CAO S3445024 ABSTRACT In this paper‚ structure of electric vehicles is initially reviewed. Then electric vehicles propulsion system which consists of energy storage system‚ power electronic system and electric motor is reviewed in detail. Besides‚ performance of electric vehicles and advantages and disadvantages of this technology are also discussed. Key words: propulsion system‚ battery‚ converter/inverter‚ motor‚ battery. INTRODUCTION
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