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In electrical engineering, a transformer is a passive component that transfers electrical energy from one electrical circuit to another circuit, or multiple circuits.A varying current in any coil of the transformer produces a varying magnetic flux in the transformer's core, which induces a varying electromotive force (EMF) across any other coils wound around the same core.
Schwinger also said about his transformation from a person who saw electrical engineering problems as a pure physicist to a person who saw pure physical problems as an electrical engineer: "I first approached radar problems as a nuclear physicist; soon I began to think of nuclear physics in the language of electrical engineering." [168]
In electrical engineering, electric machine is a general term for machines using electromagnetic forces, such as electric motors, electric generators, and others.They are electromechanical energy converters: an electric motor converts electricity to mechanical power while an electric generator converts mechanical power to electricity.
A hydrocarbon liquid that cools and insulates transformers and other types of electrical apparatus. transformer A static arrangement of conductors and possibly magnetic materials, that transfers energy by electromagnetic induction. transformerboard A kind of insulating paperboard used for internal structures of large oil filled power transformers.
Real transformer equivalent circuit. One case of voltage regulation is in a transformer. The unideal components of the transformer cause a change in voltage when current flows. Under no load, when no current flows through the secondary coils, V nl is given by the ideal model, where V S = V P *N S /N P.
A rotary (rotatory) transformer is a specialized transformer that couples electrical signals between two parts that rotate in relation to each other—as an alternative to slip rings, which are prone to wear and contact noise. They are commonly used in helical scan magnetic tape applications.
In electrical engineering, power conversion is the process of converting electric energy from one form to another. A power converter is an electrical device for converting electrical energy between alternating current (AC) and direct current (DC). It can also change the voltage or frequency of the current.
The two designs were the first application of the two basic transformer constructions in common use to this day, termed "core form" or "shell form" . [9] The Ganz factory had also in the autumn of 1884 made delivery of the world's first five high-efficiency AC transformers, the first of these units having been shipped on September 16, 1884. [10]
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