Importance

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Abstract

Techniques of the present disclosure provide dynamic adaptive overcurrent protection. An example device includes at least one processor configured to determine, based on one or more steady state system parameters that define a state of a power distribution system, a local voltage value at a protective device, and a local current value at the protective device, an estimated minimum fault current for the protective device. The at least one processor may be further configured to determine, based on the estimated minimum fault current and a rated load current for the protective device, an adaptive pickup setting for the protective device. The at least one processor may also be further configured to cause the protective device to trip a circuit breaker in response to determining that an updated value of the current at the protective device exceeds the adaptive pickup setting.

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First Claim