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About: Pseudospark switch     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatSwitchingTubes, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: anatomical structureyago:Artifact100021939yago:Conduit103089014yago:Object100002684yago:Passage103895293yago:PhysicalEntity100001930yago:WikicatGas-filledTubesyago:YagoGeoEntityyago:YagoPermanentlyLocatedEntityyago:Tube104493505yago:Way104564698yago:Whole100003553yago:WikicatSwitchingTubes New Facet based on Instances of this Class

The pseudospark switch a gas-filled tube capable of high speed switching. Pseudospark switches are functionally similar to triggered spark gaps. Advantages of pseudospark switches include the ability to carry reverse currents (up to 100%), low pulse, high lifetime, and a high current rise of about 1012 A/sec. In addition, since the cathode is not heated prior to switching, the standby power is approximately one order of magnitude lower than in thyratrons. However, pseudospark switches have undesired plasma phenomena at low peak currents. Issues such as current quenching, chopping, and impedance fluctuations occur at currents less than 2–3 kA while at very high peak currents (20–30 kA) a transition to a metal vapor arc occurs which leads to erosion of the electrodes.