17:47 Jun 30, 2005 |
English to Lithuanian translations [PRO] Tech/Engineering - Electronics / Elect Eng | |||||||
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| Selected response from: Vidmantas Stilius Local time: 20:52 | ||||||
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4 +1 | oro tarpas ir (srovės) nuotėkio nuotolis |
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oro tarpas ir (srovės) nuotėkio nuotolis Explanation: oro tarpas ir (srovės) nuotėkio nuotolis Basic Definitions Creepage Distance. Creepage is the shortest path between two conductive parts (or between a conductive part and the bounding surface of the equipment) measured along the surface of the insulation. A proper and adequate creepage distance protects against tracking, a process that produces a partially conducting path of localized deterioration on the surface of an insulating material as a result of the electric discharges on or close to an insulation surface. The degree of tracking required depends on two major factors: the comparative tracking index (CTI) of the material and the degree of pollution in the environment. Used for electrical insulating materials, the CTI provides a numerical value of the voltage that will cause failure by tracking during standard testing. IEC 112 provides a fuller explanation of tracking and CTI.1 Tracking that damages the insulating material normally occurs because of one or more of the following reasons: Humidity in the atmosphere. Presence of contamination. Corrosive chemicals. Ex-zone - apsaugos nuo sprogimų zona. Žr. http://www.ecomus-ex.com/us/info/explosion_protection.htm www.ce-mag.com/ce-mag.com/ archive/01/03/ProductSafety.html Reference: http://www.ecomus-ex.com/us/info/explosion_protection.htm |
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