The function of HV switchgears is to protect segments of the electrical grid from interruption due to overload and/or short circuits, while preserving the flow of electricity to other areas of the system. Through a series of circuit breakers, fuses and electrical disconnects, a switchgear isolates electrical equipment to allow for service, maintenance or to clear faults further down the system. High voltage switchgears interrupt 35,000 volts AC or more.
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