CPC H02J 3/001 (2020.01) [H02H 3/042 (2013.01); H02H 3/52 (2013.01); H02H 7/122 (2013.01); H02J 3/381 (2013.01)] | 9 Claims |
1. A system for control of a microgrid, said system comprising:
a plurality of inverter-based distributed generators within said microgrid, each one of said plurality of inverter-based distributed generators injecting into said microgrid a corresponding one of a plurality of differentiable harmonic currents upon a fault condition within said microgrid; and
a plurality of directional overcurrent relays in said microgrid, said plurality of directional overcurrent relays being for detection of said harmonic currents;
wherein isolation of a faulted section of said microgrid is enabled based upon said harmonic currents detected, and
wherein, to locate said faulted section, said plurality of directional overcurrent relays use a ratio of said harmonic currents measured on both ends of a segment of said microgrid with each end of said segment having a microprocessor-based directional overcurrent relay.
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