Patent ID: 11923164
Assignee: EATON INTELLIGENT POWER LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An arc flash mitigation system comprising:
a main overcurrent circuit protector providing primary overcurrent protection to an electrical load; and
an arc flash mitigation network connected in parallel to the main overcurrent circuit protector, wherein the arc flash mitigation network comprises:
at least one semiconductor switch operable in response to a predetermined circuit condition to divert current away from the main overcurrent circuit protector along a shunt current path; and
at least one arc flash mitigation fuse connected in series with the at least one semiconductor switch in the shunt current path;
whereby an operation of the at least one arc flash mitigation fuse by the diverted current reduces arc flash energy while servicing an energized electrical power system in a vicinity of the main overcurrent circuit protector, wherein the operation occurs before the main overcurrent circuit protector being opened by the current.