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Galvanic isolation is a principle of isolating functional sections of electrical systems to prevent current flow; no direct conduction path is permitted. [ 1 ] [ 2 ] Energy or information can still be exchanged between the sections by other means, such as capacitive , inductive , radiative , optical , acoustic , or mechanical coupling.
Galvanic corrosion (also called bimetallic corrosion or dissimilar metal corrosion) is an electrochemical process in which one metal corrodes preferentially when it is in electrical contact with another, in the presence of an electrolyte.
A common design principle of these devices is a special galvanic isolation module between the input (control) and the output (switching) circuits of the relay. Interface relays are widely used in control and protection systems of high voltage (10-100 kV) electronic and electrophysical equipment and in high power installations.
Galvanic (after Luigi Galvani) may refer to: Galvanic anode; Galvanic bath; Galvanic cell; Galvanic corrosion; Galvanic current; Galvanic isolation; Galvanic potential; Galvanic series; Galvanic skin response; Galvanic vestibular stimulation; Galvanism; Galvanization; Operation Galvanic, World War II attack which included the Battle of Tarawa
Isolation transformers provide galvanic isolation; no conductive path is present between source and load. This isolation is used to protect against electric shock, to suppress electrical noise in sensitive devices, or to transfer power between two circuits which must not be connected. A transformer sold for isolation is often built with special ...
The galvanic series (or electropotential series) determines the nobility of metals and semi-metals. When two metals are submerged in an electrolyte, while also electrically connected by some external conductor, the less noble (base) will experience galvanic corrosion. The rate of corrosion is determined by the electrolyte, the difference in ...
Electrical or galvanic isolation, isolating functional sections of electrical systems to prevent current flowing between them An isolated system , a system without any external exchange Isolating language , a type of language with a low morpheme-per-word ratio
The network isolator is a passive device, and functions without any requirement of an external power supply. A functional equivalent to network isolators is Ethernet over a small stretch of optical fibre , using media converters or Ethernet switches/network cards with fiber connections on each end.