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Brushless Motor Revolution WRAM Seminar 2005 Introduction

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The World`s Simplest Motor

... What happens if you put a loop in the wire, as in Fig. 4? If you follow the right-hand rule all the way around the loop, you’ll see that all of the magnetic field lines inside the loop point in the same direction and field outside the loop point in the same direction. Inside the loop, however, there ...
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... created from the measured voltage (see uSα1, uSβ1) by means of dividing by the current magnitude obtained from the components. Then the curve is replaced in short intervals by the tangent calculated from the vertical component. Transient responses during the dead-time are effectively suppressed (see ...
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... 1. Introduction Wind power has attracted much interest as a suitable source of renewable energy. The mechanical power generated by the wind turbine is transformed into electrical power by an induction generator and is fed into the main grid through stator windings. The most widely adopted generator ...
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... thousand years from now, there can be little doubt that the most significant event of the 19th century will be judged as Maxwell's discovery of the laws of electrodynamics" ...
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RIN #1 POWER FREQUENCY ELECTRIC AND MAGNETIC FIELDS
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... People are exposed to these fields almost everywhere (e.g. near power lines, electrical wiring and appliances, etc.). In 1979 a researcher speculated that childhood leukaemia might be associated with low level magnetic field from power lines in proximity to residential housing. Over the last 30 year ...
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dp series insertion impeller meters

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Electric machine

The academic study of electric machines is the universal study of electric motors and electric generators. By the classic definition, electric machine is synonymous with electric motor or electric generator, all of which are electromechanical energy converters: converting electricity to mechanical power (i.e., electric motor) or mechanical power to electricity (i.e., electric generator). The movement involved in the mechanical power can be rotating or linear.Although transformers do not contain any moving parts they are also included in the family of electric machines because they utilise electromagnetic phenomena.Electric machines (i.e., electric motors) consume approximately 60% of all electricity produced. Electric machines (i.e., electric generators) produce virtually all electricity consumed. Electric machines have become so ubiquitous that they are virtually overlooked as an integral component of the entire electricity infrastructure. Developing ever more efficient electric machine technology and influencing their use are crucial to any global conservation, green energy, or alternative energy strategy.
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