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main current transformer

См. также в других словарях:

  • 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

  • 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

  • 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

  • Residual-current device — A two pole residual current device A Residual Current Device is a generic term covering both RCCBs and RCBOs. A Residual Current Circuit Breaker (RCCB) is an electrical wiring device that disconnects a circuit whenever it detects that the… …   Wikipedia

  • Alternating current — (green curve). The horizontal axis measures time; the vertical, current or voltage. In alternating current (AC, also ac) the movement of electric charge periodically reverses direction. In direct current (DC, also dc), the flow of electric charge …   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

  • Flyback transformer — A flyback or line output transformer (FBT or LOPT) is a type of transformer used in the power supply of a cathode ray tube that generates the high voltage needed to drive a CRT type monitor, and can also be used to power a plasma globe. It… …   Wikipedia

  • Neon-sign transformer — An iron cored neon sign transformer, with a 9 volt battery for scale. A neon sign transformer (NST) is a transformer made for the purpose of powering a neon sign. They convert line voltage from the 120 347 V range up to high voltages,… …   Wikipedia

  • Neon sign transformer — A Neon Sign Transformer (NST) is a transformer made for the purpose of powering a neon sign. They convert line voltage from the 120 240v range up to high voltages, usually in the range of 2 to 15 kV. Most of these transformers generate between 30 …   Wikipedia

  • Distribution transformer — Single phase distribution transformer in Canada A distribution transformer is a transformer that provides the final voltage transformation in the electric power distribution system, stepping down the voltage used in the distribution lines to the… …   Wikipedia

  • Scott-T transformer — A Scott T Transformer (also called a Scott Connection) is a type of circuit used to derive two phase (2 φ) current from a three phase (3 φ) source or vice versa. The Scott connection evenly distributes a balanced load between the phases of the… …   Wikipedia

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