Dynamically configurable relay element and related methods

Details Dynamically configurable relay element and related methods Dynamically configurable relay element and related methods

2006-06-23

2009-08-04

Nguyen, Danny (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

C361S082000

Reexamination Certificate

active

07570469

ABSTRACT:
A dynamically configurable relay element configured to protect an electrical system, including a dynamically calculated relay operating quantity, a dynamically calculated relay pickup setting, a dynamically calculated time dial, a plurality of dynamically calculated variables that define a characteristic of the dynamically configurable relay element, and a dynamically calculated operating time, the dynamically calculated operating time based on the dynamically calculated relay operating quantity, the dynamically calculated relay pickup setting, the dynamically calculated time dial and the plurality of dynamically calculated variables. The relay element may be an inverse-time overcurrent element, an instantaneous overcurrent element, an adaptive pickup overcurrent element, and inverse-time overvoltage element, a voltage restrained overcurrent element, and an inverse-time undervoltage element.

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