Schneider Electric announces virtual main arc flash mitigation system

Schneider Electric, a global energy management company, has introduced the Virtual Main Arc Flash Mitigation System. It is designed to improve worker safety and enhance electrical system reliability by reducing arc flash energy on low-voltage switchgear and switchboards, including the main incoming power distribution switchboard.

According to Schneider, the system is “a new concept which reduces arc flash energy across the entire low-voltage switchgear.”

Components of the system include an engineering study to evaluate optimum settings for the relays and circuit breakers in the unit substation, a switching device with fault interruption capability on the high-voltage side of the service transformer, three relaying class current transformers installed on the secondary side of the service transformer in the transformer compartment, and a self-contained relay package including a microprocessor-based relay and the necessary terminal blocks, pilot lights and selector switches.

Click here for more information.

-Bill O’Leary


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