Impact of PV on distribution protection system

Ravindra, Harsha; Faruque, M. Omar; McLaren, P.G.; Schoder, Karl; Steurer, M.; Meeker, Rick

doi:10.1109/naps.2012.6336409

Cited by 31 publications

(11 citation statements)

References 4 publications

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“…For the upstream PVs, the Thevenin equivalent is expressed as (8) where the suffix th denotes Thevenin equivalent. Simplifying the downstream Norton equivalent of (7) and upstream Thevenin equivalent of (8), can be expressed as (9) which is shown schematically in Fig.…”

Section: A Network Generalized Modelmentioning

confidence: 99%

“…The impacts of three-phase PV plants installed in Medium Voltage (MV) distribution systems are already investigated in [6][7] and it is proved that it depends on the generation capacity, installation point and availability of the PV plants in the network and the network demand level [8]. In [9][10] it is shown that installation of three-phase renewable energy resources in MV networks will lead miscoordination among protection devices, unwanted tripping, protection blinding and asynchronous reclosing.…”

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confidence: 99%

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Contributions of single-phase rooftop PVs on short circuits faults in residential feeders

Yengejeh

Shahnia

Islam

2014

2014 Australasian Universities Power Engineering Conference (AUPEC)

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Abstract-Sensitivity analysis results are presented to investigate the presence of single-phase rooftop Photovoltaic Cells (PV) in low voltage residential feeders, during short circuits in the overhead lines. The PV rating and location in the feeder and the fault location are considered as the variables of the sensitivity analysis. The single-phase faults are the main focus of this paper and the PV effect on fault current, current in distribution transformer secondary and the voltage at each bus of the feeder are investigated, during fault. Furthermore, to analyze the bus voltages and fault current in the presence of multiple PVs, each with different rating and location, a stochastic analysis is carried out to investigate the expected probability density function of these parameters, considering the uncertainties of PV rating and location as well as fault location.

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Section: A Network Generalized Modelmentioning

confidence: 99%

mentioning

confidence: 99%

Contributions of single-phase rooftop PVs on short circuits faults in residential feeders

Yengejeh

Shahnia

Islam

2014

2014 Australasian Universities Power Engineering Conference (AUPEC)

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“…In [13], a PV inverter dynamic model in PSCAD/EMTDC is developed. In [14], the authors investigated the impacts of PV connection on the protection systems of a distribution network, especially when power flow is reversed in high penetration scenarios. Even though the substation model was built in a real-time EMTP type simulation environment using RTDS/RSCAD.…”

Section: Introductionmentioning

confidence: 99%

IMICV fault analysis method with multiple PV grid-connected inverters for distribution systems

Moura

Lopes

Moura

et al. 2015

Electric Power Systems Research

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A novel faults analysis method with multiple PV grid-connected inverters for distribution systems is proposed. The aforesaid proposed method Inverter Matrix Impedance Current Vector (IMICV) employs symmetrical components combined with a matrix denominated of Inverter Matrix Impedance and with a vector denominated Impedance-Current Vector which are formed by inspection. This matrix and this vector are used to solve a linear system of equations where the following post-fault variables are: current in substation, the voltage at the fault point and voltages in the PV grid-connected nodes. A comparison of results obtained using the new method with the results of the professional software ANAFAS validates the method proposed. Computer simulations show that the proposed method for classical shunt faults analysis is efficient, accurate and easy to program.

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“…Another study, using MATLAB and EMTPRestructured Version (EMTP-RV), analyzed the transient behavior of large-scale distribution networks reconfigured by switching on and off breakers and examined the self-healing principles of a real metropolitan distribution network [6]. More recently, another study modeled a distribution network with 230/24 kV transformers in the EMTP Real-Time Digital Simulator (RTDS) and RSCAD, added photovoltaic (PV) plants with high penetration capacity, and simulated the transient behavior of such a distribution network [7]. Most of these studies have performed short-circuit analyses, but they did not examine (1) voltage variation (which is not triggered by a short circuit) when DG systems inject active power into the distribution network and (2) load factors of a substation, which can be defined by the ratio of the capacity of the local loads to the total peak load [8].…”

Section: Introductionmentioning

confidence: 99%

The analysis of voltage increase phenomena in a distribution network with high penetration of distributed generation

Kim

Harley

Regassa

et al. 2015

2015 Clemson University Power Systems Conference (PSC)

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Various distributed generation (DG) systems with capacities in the range of several kilowatts to tens of megawatts can increase voltage along a feeder when they are injecting power into distribution systems. Thus, the main objective of this study is to analyze the transient behavior of such a distribution system integrated by DG systems. This study (1) models the IEEE 37-bus test feeder as a distribution network enhanced by DG systems in Simulink of MATLAB; (2) proposes case studies of DG systems with their total capacity of 10 and 38 percent of the feeder rating; and then (3) simulates the transient behavior of the test feeder when DG systems inject active power at the unity power factor during a few cycles of 60 Hz. Finally, it addresses the issues of an increase in voltage resulting from the installation of DG systems in a transient state. Index Terms--Distributed generation (DG), transient behavior of a distribution network, and an increase in voltage

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Impact of PV on distribution protection system

Cited by 31 publications

References 4 publications

Contributions of single-phase rooftop PVs on short circuits faults in residential feeders

Contributions of single-phase rooftop PVs on short circuits faults in residential feeders

IMICV fault analysis method with multiple PV grid-connected inverters for distribution systems

The analysis of voltage increase phenomena in a distribution network with high penetration of distributed generation

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