impedance transformer

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• Impedance (electricite) — Impédance (électricité) Pour les articles homonymes, voir Impédance. L impédance électrique mesure l opposition d un circuit électrique au passage d un courant alternatif sinusoïdal. La définition d impédance est une généralisation de la loi d… …   Wikipédia en Français

• Impédance (international) — Impédance (électricité) Pour les articles homonymes, voir Impédance. L impédance électrique mesure l opposition d un circuit électrique au passage d un courant alternatif sinusoïdal. La définition d impédance est une généralisation de la loi d… …   Wikipédia en Français

• Impédance (secondaire français) — Impédance (électricité) Pour les articles homonymes, voir Impédance. L impédance électrique mesure l opposition d un circuit électrique au passage d un courant alternatif sinusoïdal. La définition d impédance est une généralisation de la loi d… …   Wikipédia en Français

• Transformer — This article is about the electrical device. For the toy line franchise, see Transformers. For other uses, see Transformer (disambiguation). Pole mounted distribution transformer with center tapped secondary winding. This type of transformer is… …   Wikipedia

• Impedance matching — In electronics, impedance matching is the practice of designing the input impedance of an electrical load (or the output impedance of its corresponding signal source) to maximize the power transfer and/or minimize reflections from the load.… …   Wikipedia

• Transformer types — Circuit symbols Transformer with two windings and iron core. Step down or step up transformer. The symbol shows which winding has more turns, but not usually the …   Wikipedia

• transformer — /trans fawr meuhr/, n. 1. a person or thing that transforms. 2. Elect. an electric device consisting essentially of two or more windings wound on the same core, which by electromagnetic induction transforms electric energy from one set of one or… …   Universalium

• Nominal impedance — in electrical engineering and audio engineering refers to the approximate designed impedance of an electrical circuit or device. The term is applied in a number of different fields, most often being encountered in respect of: The nominal value of …   Wikipedia

• Current transformer — A CT for operation on a 110 kV grid In electrical engineering, a current transformer (CT) is used for measurement of electric currents. Current transformers, together with voltage transformers (VT) (potential transformers (PT)), are known as …   Wikipedia

• Tap (transformer) — This article is about tappings in transformers. For other uses, see Tap. A transformer tap is a connection point along a transformer winding that allows a certain number of turns to be selected. This means, a transformer with a variable turns… …   Wikipedia

• Dual impedance — and dual network are terms used in electronic network analysis. The dual of an impedance is its algebraic inverse . Note that and are the duals of each other, that is, they are reciprocal. For this reason the dual impedance is also called the… …   Wikipedia