Arc Flash Calculations Using Dynamic Stability

Dynamic Stability is the EasyPower module used to analyze system behavior over time. The tool calculates the changes in power flow for the whole system at 1/2 cycle time slices. By using full flux models for motors and generators and tracking state changes of protective devices, system performance values of current and voltage can be simulated. By setting an arc flash fault condition at a given bus, the trip time of protective devices can be more accurately determined, yielding an improved incident energy result. Doctor Tao Yang will walk us through the procedure.

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