SYSTEM AND METHOD FOR VENTILATING AND ISOLATING ELECTRICAL EQUIPMENT

摘要

An arc resistant system includes an enclosure that houses electrical equipment and includes an intake isolation assembly configured to deform in response to an arc fault pressure wave to substantially block an intake ventilation opening of the enclosure. The enclosure also includes a first pressure relief assembly configured to open in response to the arc fault pressure wave to allow arc products to exit the enclosure and to enter a ventilation box. The ventilation box is coupled to the enclosure and includes an exhaust isolation assembly configured to deform in response to the arc fault pressure wave to substantially block an exhaust ventilation opening of the ventilation box. The ventilation box also includes a second pressure relief assembly configured to open in response to the arc fault pressure wave to allow the arc products to exit the ventilation box.

主权项

1. An arc resistant system, comprising:
an enclosure that houses electrical equipment, wherein the enclosure comprises:
an intake isolation assembly coupled about an intake ventilation opening of the enclosure, wherein the intake isolation assembly is configured to deform in response to an arc fault pressure wave to substantially block the intake ventilation opening; anda first pressure relief assembly configured to open in response to the arc fault pressure wave to allow arc products to exit the enclosure and to enter a ventilation box; and the ventilation box coupled to the enclosure, wherein the ventilation box comprises:
an exhaust isolation assembly coupled to an exhaust ventilation opening of the ventilation box, wherein the exhaust isolation assembly is configured to deform in response to the arc fault pressure wave to substantially block the exhaust ventilation opening; anda second pressure relief assembly configured to open in response to the arc fault pressure wave to allow the arc products to exit the ventilation box.