PANELBOARD POWER BUS WITH ARC TRANSFER FOR PASSIVE ARC CONTROL

摘要

PROBLEM TO BE SOLVED: To provide methods and systems for limiting damage caused by arcs in bus stacks.SOLUTION: An arc resistant panelboard comprises: an arc transfer feature on each side of the bus stack. Thanks to the arc transfer feature, any arcs forming near busbar connection points are captured and the arc is transferred away from the busbar connection points to the interior of the bus stack. Phase barriers along the length of the interior of the bus stack then direct the arcs toward the end of the bus stack. At the end of the bus stack, a bus end interrupter receives and extinguishes the arcs.SELECTED DRAWING: Figure 1