alternating-current field

wisselveld

English-Dutch technical dictionary. 2013.

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  • Alternating Current Field Measurement — (ACFM) is an electromagnetic technique for detection and sizing of surface breaking cracks. It works on all metals and, not requiring direct, electrical contact, works through coatings.The system was originally developed in the early 1990 for 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

  • ACFM (Alternative Current Field Measurement) — Alternating Current Field Measurement o ACFM es una técnica electromagnética de ensayo no destructivo que permite detectar y medir grietas superficiales en componentes metálicos sin necesidad de eliminar el recubrimiento de éste, como la pintura… …   Wikipedia Español

  • Synchronization (alternating current) — Synchronization is an important concept in relation to alternating current.Electricity generationElectricity generation requires the connection of large numbers of alternators in parallel and additional alternators must be switched in when demand …   Wikipedia

  • Current clamp — For current clamp recording in neurons, see Electrophysiology#Current clamp. In electrical and electronic engineering, a current clamp or current probe is an electrical device having two jaws which open to allow clamping around an electrical… …   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

  • Current sensor — A current sensor is a device that detects electrical current (AC or DC) in a wire, and generates a signal proportional to it.The generated signal could be analog voltage or current or even digital output.It can be then utilized to display the… …   Wikipedia

  • Current sea level rise — This article is about the current and future rise in sea level associated with global warming. For sea level changes in Earth s history, see Sea level#Changes through geologic time. Sea level measurements from 23 long tide gauge records in… …   Wikipedia

  • Rotating magnetic field — A rotating magnetic field is a magnetic field which changes direction at (ideally) a constant angular rate. This is a key principle in the operation of the alternating current motor. In 1882, Nikola Tesla identified the concept of the rotating… …   Wikipedia

  • Electric current — Electromagnetism …   Wikipedia

  • Magnetic field — This article is about a scientific description of the magnetic influence of an electric current or magnetic material. For the physics of magnetic materials, see magnetism. For information about objects that create magnetic fields, see magnet. For …   Wikipedia

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