Boundary separation scheme for faults in power systems

A control system, comprising:

• a memory;
• and
• a processor operatively coupled to the memory, wherein the processor is configured to execute instructions stored on the memory to cause operations comprising:
• obtaining a set of regions of a power grid;
• obtaining one or more current measurements of one or more generators of the power grid;
• obtaining one or more voltage measurements of one or more buses of the power grid;
• detecting a fault in the power grid based at least in part on the one or more current measurements;
• from the set of regions, determining a faulted region within which the fault is located based on the one or more voltage measurements, a net change in power with respect to time of one or more regions in the set of regions, or both;
• determining power delivered to or from each region in the set of regions;
• calculating a derivative of the power delivered to or from each region as the net change in power with respect to time for the respective region;
• determining that a region of the set of regions is importing more power than was previously imported from a decrease in the net change in power being delivered;
• selecting the region that is consuming more power as the faulted region;
• and
• sending one or more signals to electrically disconnect the faulted region from the power grid.