Impact of Distributed Inverter-Based Resources on Incremental Quantities-Based Protection

Samkari, Husam S.; Johnson, Brian K.

doi:10.1109/pesgm46819.2021.9638249

Cited by 6 publications

(3 citation statements)

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“…The impact of IBRs on time-domain superimposed quantities elements is presented in [50] and [51]. IBRs' fast control response impacts the current quantities by changing both magnitude and angle.…”

Section: Relaymentioning

confidence: 99%

“…IBRs' fast control response impacts the current quantities by changing both magnitude and angle. Thus, using time-domain superimposed quantities to detect the fault direction is unreliable, with IBRs present as the main source of fault currents [50] and [51].…”

Section: Relaymentioning

confidence: 99%

“…In [51], incremental power and replica power quantities are calculated for several cases to simulate IBR impact on the incremental directional element. A modified IEEE 34-bus distribution system is used for demonstration where different types of DER are injecting power at a node and an incremental directional element is part of protection element on a feeder connected to that node.…”

Section: Relaymentioning

confidence: 99%

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Time-Domain Protection Scheme for Microgrids With Aggregated Inverter-Based Distributed Energy Resources

Samkari

Johnson

2023

IEEE Access

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This paper proposes a time-domain-based protection scheme for radial and loop microgrid systems with inverter-based resources (IBRs), such as solar photovoltaic (PV) and type-4 wind turbines. The protection scheme is designed to function during both grid-interconnected and grid-isolated modes. The proposed scheme provides an ultra-high-speed sub-cycle directional element aided with low bandwidth communication between relays. Like directional comparison schemes, relays identify whether faults are inzone or out-zone. The directional element is based on time-domain superimposed quantities and Park's transformation algorithms. More specifically, the element calculates the superimposed positive-sequence direct component of transient energy during faults. Superimposed voltage and current quantities are calculated using delta filters and decoupled double synchronous reference frame (DDSRF) filters. The proposed filtering method improves the reliability of the superimposed directional element when IBRs are present. The protection scheme is evaluated on a modified IEEE 34-bus distribution system simulated using an electromagnetic transients program.

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Section: Relaymentioning

confidence: 99%

Section: Relaymentioning

confidence: 99%

Section: Relaymentioning

confidence: 99%

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