Patent ID: 8375566
Filing Date: 2013-02-19
Classification: H01F,H02B,Y10T

Abstract:
1. A method of providing an arc resistant enclosure for a dry-type transformer, comprising the steps of: providing a base structure; providing a dry-type transformer seated on the base structure; providing a front wall comprising a first and second corner piece, a first face frame proximate the first and second corner pieces defining a first access opening, and a first access panel arranged to cover the first access opening; providing at least two additional walls; providing a roof structure secured to the walls; and providing at least one ventilation opening in either the roof or walls; wherein each wall is secured to the base structure, forming an enclosed space for housing the transformer, wherein the front wall contains at least one longitudinal seam covered by an arc channel, and wherein the arc channel is attached in such a manner that, upon an arc event, arc gas is substantially prevented from escaping the enclosure through the covered longitudinal seam.