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"Hunter, Nick"
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Showtime! : the entertainment industry
It s incredible how much the entertainment industry has evolved over the past 100 years. Music, movies, and television now generate massive amounts of money for the prime players involved. Readers will feel like entertainment executives as they learn about what goes on behind the scenes of a hit movie, TV show, or song. Eye-catching photographs and fascinating information about popular stars and movies make the topics of business and finance accessible and relevant to all readers. Thought-provoking questions in fact boxes throughout the text encourage deeper evaluation of the issues. Detailed Table of Contents, Fact Boxes, For Further Information Section, Glossary, Index.
Book
Research on the Uncontrolled Zero-Sequence Current of an Open-End Winding Pmsm with Common Dc Link
This thesis describes the research based on a particular type of the motor drives called an open-end winding permanent magnet synchronous motor drive with common DC link. These types of drives are an arrangement of two three phase inverters connected to both ends of a permanent magnet synchronous motor and are fed from a single direct current source. Therefore, it has a return path between the two inverters. This allows the most prominent third harmonic back EMF to introduce the zero-sequence current. Hence, these kinds of motor drives suffer from the circulating zero-sequence current. Although this current usually is undesired and, therefore, suppressed using various control techniques, there are some cases when the suppression of this current is unfeasible. Hence, the zero-sequence current could be left flowing in the system. High-speed drives could be considered to be an example of such a system. The research introduced in this thesis is centred on the analysis of the mentioned zero-sequence current that is flowing in the system due to the specific properties of the machine. It features a full mathematical derivation of the nature of the zero-sequence current flowing in the system because of the machine side of the drive and a comprehensive analysis of the power loss in conductor due to this zero-sequence component. The analysis performed in this thesis resulted in a proposal of a couple of novel solutions for the mitigation of the zero-sequence component's impact on the drive such as the torque ripple and the power loss in conductor. In addition, one of the research outcomes was the development of a novel technique that turns the disadvantage of having the zero-sequence component flowing freely in the drive to its advantage. In addition, the research produced in this thesis led to the development of a software solution that is meant to aid design and control engineers to mitigate the power losses in an open-end winding permanent magnet synchronous motor drive with common DC link.
Dissertation
What is socialism?
\"Learn more about socialism and its many forms while exploring the successes and failures of countries who have embraced socialism throughout history.\"-- Publisher's website.
Book
Dan Smith Community Park set to open tomorrow
The folk-jazz band Rio Neon will be playing from 5-6:30 as Kent Mayor Jerry Fiala, city manager Dave Ruller, Kent city council members, and Dan's friends and family join the community in celebrating the impact he left on the city of Kent.
Newsletter
Science vs. climate change
Describes climate change, the issues surrounding it, and what science is doing to combat it.
Book
Energy for everyone? : the business of energy
Young readers learn about the energy industry, including the use of alternative energy sources, the dangers of nuclear power, and the costs of renewable and nonrenewable energy. They will also examine many controversies of the energy industry and learn about the companies and organizations that are often in the news.
Book