Large-Scale PV System based on the Multiphase Isolated DC/DC converter Hyuntae Choi Wei Zhao Mihai Ciobotaru Vassilios G. Agelidis Australian Energy Research Institute & School of Electrical Engineering and Telecommunications The University of New South Wales Sydney‚ NSW 2052‚ Australia hyuntae.choi@student.unsw.edu.au wei.zhao2@student.unsw.edu.au mihai.ciobotaru@unsw.edu.au vassilios.agelidis@unsw.edu.au Abstract—The large-scale photovoltaic (PV) systems have already been reached 200 MW power
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iosrjournals.org Speed Control of Dc Motor Using Fuzzy Logic Technique 1 1‚ 2‚ 3 J. N. Rai‚ 2Mayank Singhal‚ 3MayankNandwani Department of Electrical Engineering‚ Delhi Technological University Abstract:This project uses FUZZY LOGIC TECHNIQUE in estimating speed and controlling it for DC motor. The rotor speed of the dc motor can be made to follow an arbitrarily selected trajectory. The purpose is to achieve accurate trajectory control of the speed of DC Motor‚ especially when the motor
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INTRODUCTION During the nineteenth century‚ when power supply was dc‚ dc motors were used extensively to draw power direct from the dc source. The motor speed could be varied by adjusting field current by a rheostat. That was an open loop control. Most of the drives were constant speed and the characteristics could not be matched with a job requirement. A vast development in the dc drives system took place when the ward Leonard Control System was introduced in the 1980s. The system
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degradation. The approach taken was typically one of “command and control‚” which specified in law the standards to be met‚ often in the form of specific technologies that had to be adopted. Industry fought these new regulations vigorously in many cases‚ and was repeatedly surprised by the political effectiveness of environmental activists. From the beginning‚ command-and-control regulation had been criticized by economists for its costliness and inflexibility‚ and by the late 1980s market-based
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Hopes‚ aspirations‚ dreams. These words immediately pop into my head when I think of Washington D.C. The capital of our country is one of the most important places on Earth. As an 8th grader with a passion for politics and a heart that just wants everyone to see the light in the world‚ going on the Mars Area Middle School 2017 Washington‚ D.C.‚ trip would truly be the start of a hopeful‚ inspired upcoming politician. I would love to go on the D.C. trip because I would love to see our Country’s history
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“Hells Bells” AC/DC By: Mitch and Trevor Background about the song- The lyrics‚ sung by Brian Johnson‚ explain how the narrator will attack and drag a victim to hell‚ comparing his actions with natural phenomena such as rain‚ thunder and hurricanes. The song‚ as were all the tracks on Back in Black was written to commemorate the death of the former lead singer Bon Scott after he drank himself to death. This is the first track of Australian hard rock band AC/DC’s first album without Bon Scott
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Final Course Project Management 591 12/17/12 MGMT 591: Leadership and Organizational Behavior Project Introduction The organization that will be the topic of discussion for my final project paper is the Limited Brands; review evaluating reward systems and their impact on performance. Limited Brands owns Victoria Secret‚ Bath and Body Works and Henri Bendel‚ there are a total of six distribution centers in the
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the diamond as big as the ritz - That was all. The wind died along the tall grasses of the valley. The dawn and the day resumed their place in a time‚ and the risen sun sent hot waves of yellow mist that made its path bright before it. The leaves laughed in the sun‚ and their laughter shook the trees until each bough was like a girl’s school in fairyland. God had refused to accept the bribe. For another moment John watched the triumph of the day metaphor. Then‚ turning he saw a flutter of brown
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Describe the main features of a DC electric motor and the role of each feature Part | Description | Role | Magnet(s) | Either permanent or electromagnetic. Induce a magnetic field and fit around the armature. | The magnets supply the magnetic field which interacts with the current in the armature to produce the motor effect. | Armature | The armature consists of a cylinder of laminated iron mounted on an axle. Often there are longitudinal grooves into which the coils are wound. | The armature
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Report on DC COMICS for Business Studies Introduction DC comics incorporated is a leading pioneer and one of the most successful enterprise in the American comic books and many related media industries (comic books‚ movies‚ games and etcetera) . Founded by Malcolm Wheeler Nicholson in 1934‚ it was originally known as ’National Allied Publication’ the initials ’DC’ was taken from the popular series ’Detective Comics’ which subsequently became part of the company’s name. DC comics is
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