2019
DOI: 10.1016/j.ijepes.2018.09.004
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Method for identification of grid operating conditions for adaptive overcurrent protection during intentional islanding operation

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Cited by 25 publications
(18 citation statements)
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“…The VSI mode is used for dispatchable generators (such as microturbines). Since the frequency and voltage are dependent upon the demand, the active and reactive powers generated at the unit (P gk and Q gk , respectively) are given by droop control equations, as depicted in (1) and (2) , which assumes that the distributed generators have an inductive output impedance [31]:…”
Section: A Microgrid Operation Under Islanded Modementioning
confidence: 99%
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“…The VSI mode is used for dispatchable generators (such as microturbines). Since the frequency and voltage are dependent upon the demand, the active and reactive powers generated at the unit (P gk and Q gk , respectively) are given by droop control equations, as depicted in (1) and (2) , which assumes that the distributed generators have an inductive output impedance [31]:…”
Section: A Microgrid Operation Under Islanded Modementioning
confidence: 99%
“…2) A particular VF bus K has active and reactive powers -Pgk and Qgk -calculated by (1) and (2), respectively. 3) The vector with the power mismatch equations (mismatch vector) is given by:…”
Section: B Power Flow Formulation For Microgrid Under Islanded Operamentioning
confidence: 99%
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“…By using FCLs, the infeasibility of conventional DOCRs to provide proper protection coordination was overcome; however, the coordination is violated with any change in the network operating conditions. A thyristorbased scheme is proposed in [6] to identify a distribution system operating condition and adapt the overcurrent protection of the grid. In that scheme, the system equivalent impedance is estimated, which differs for islanded or connected-operating conditions.…”
Section: Introductionmentioning
confidence: 99%
“…In [9], an adaptive protection scheme in microgrids with PV units is proposed by analysing both three‐phase and double line‐to‐ground faults. The work in [10] proposed a methodology for identification of grid operating mode and used that to change the setting parameters of OC relays adaptively. The work in [11] proposed a fuse‐relay adaptive protection scheme that groups identical inverse‐time OC settings of relays and logic gates of circuit breakers to achieve better selectivity, reliability, and faster fault isolations.…”
Section: Introductionmentioning
confidence: 99%