Trafo
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. Electrical energy can be transferred between separate coils without a metallic (conductive) connection between the two circuits. Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to a changing magnetic flux encircled by the coil.
Transformers are used to change AC voltage levels, such transformers being termed step-up or step-down type to increase or decrease voltage level, respectively. Transformers can also be used to provide galvanic isolation between circuits as well as to couple stages of signal-processing circuits. Since the invention of the first constant-potential transformer in 1885, transformers have become essential for the transmission, distribution, and utilization of alternating current electric power. A wide range of transformer designs is encountered in electronic and electric power applications. Transformers range in size from RF transformers less than a cubic centimeter in volume, to units weighing hundreds of tons used to interconnect the power grid.
Nigredo
- 2023-05-26T00:00:00.000000Z
Untraceable
- 2023-01-06T00:00:00.000000Z
U
- 2021-09-27T00:00:00.000000Z
Aron
- 2020-01-17T00:00:00.000000Z
I
- 2019-09-09T00:00:00.000000Z
Edit: 1
- 2021-04-19T00:00:00.000000Z
B.P. Remixed
- 2020-06-19T00:00:00.000000Z
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