Invention Grant
US08325467B2 Method and apparatus to reduce internal pressure caused by an arcing fault in an electrical enclosure 有权
降低由电气外壳中的电弧故障引起的内部压力的方法和装置

Method and apparatus to reduce internal pressure caused by an arcing fault in an electrical enclosure
Abstract:
An electrical enclosure includes a housing having a first end, an opposite second end, and a plurality of sides disposed therebetween to define an internal volume; an electrical busway having a plurality of electrical bus members; a plurality of phase-to-phase arc length limiters, each of the phase-to-phase arc length limiters being electrically connected to a corresponding one of the electrical bus members, each of the phase-to-phase arc length limiters having a first edge and a second edge, the first edge establishing a first gap to an adjacent one of the phase-to-phase arc length limiters; and a phase-to-ground arc length limiter electrically connected to the housing, the phase-to-ground arc length limiter having a number of members structured to attach an arc, each of the number of members having a number of arc attachment portions establishing a second gap to the second edge of the phase-to-phase arc length limiters.
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