Accurate Modeling of DC Microgrid for Fault and Protection Studies

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1 Citation (Scopus)

Resumé

DC Microgrid is a new power system scheme consist of Distributed Energy Resources (DER), storage and DC loads. The fault and protection analysis for this DC Microgrids is a challenging study, due to the high rise time and. Therefore, proposing an accurate DC Microgrid model is an essential part of accurate fault analyzes. Based on the dynamic model of all components, an accurate and dynamic model of DC Microgrid is proposed in this paper. The proposed method divided into five parts: DER including of Wind Turbine (WT) and Photovoltaic (PV) energy resources, transmission line, power electronic converter, battery energy storage and DC loads. Moreover, based on the characteristics of the loads and converters, the behavior of this part is similar to a Constant Power Load (CPL), and it influences the dynamic of the DC Microgrid. In addition, to calculate short circuit current of CPLs, a new time-based formula is presented. This paper investigates the detailed behavior of CPL fault current on DC microgrid operation. The sensitivities of the fault current on CPL are analyzed. Simulation is implemented in a case study to evaluate the effectiveness of the proposed model of DC Microgrid.

OriginalsprogEngelsk
Titel2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings
Antal sider6
Forlag/udgivende institutionIEEE Press
Udgivelsesdato17 okt. 2018
Sider1-6
Artikelnummer8495679
ISBN (tryk)978-1-5386-5327-2
ISBN (elektronisk)978-1-5386-5326-5
DOI'er
PublikationsstatusUdgivet - 17 okt. 2018
Begivenheder2018 International Conference on Smart Energy Systems and Technologies - Sevilla, Spanien
Varighed: 10 sep. 201812 sep. 2018

Konference

Konference2018 International Conference on Smart Energy Systems and Technologies
LandSpanien
BySevilla
Periode10/09/201812/09/2018

Fingerprint

Energy resources
Electric fault currents
Dynamic models
Power electronics
Short circuit currents
Wind turbines
Energy storage
Electric lines

Citer dette

Bayati, N., Hajizadeh, A., & N. Soltani, M. (2018). Accurate Modeling of DC Microgrid for Fault and Protection Studies. i 2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings (s. 1-6). [8495679] IEEE Press. https://doi.org/10.1109/SEST.2018.8495679
Bayati, Navid ; Hajizadeh, Amin ; N. Soltani, Mohsen. / Accurate Modeling of DC Microgrid for Fault and Protection Studies. 2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings. IEEE Press, 2018. s. 1-6
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title = "Accurate Modeling of DC Microgrid for Fault and Protection Studies",
abstract = "DC Microgrid is a new power system scheme consist of Distributed Energy Resources (DER), storage and DC loads. The fault and protection analysis for this DC Microgrids is a challenging study, due to the high rise time and. Therefore, proposing an accurate DC Microgrid model is an essential part of accurate fault analyzes. Based on the dynamic model of all components, an accurate and dynamic model of DC Microgrid is proposed in this paper. The proposed method divided into five parts: DER including of Wind Turbine (WT) and Photovoltaic (PV) energy resources, transmission line, power electronic converter, battery energy storage and DC loads. Moreover, based on the characteristics of the loads and converters, the behavior of this part is similar to a Constant Power Load (CPL), and it influences the dynamic of the DC Microgrid. In addition, to calculate short circuit current of CPLs, a new time-based formula is presented. This paper investigates the detailed behavior of CPL fault current on DC microgrid operation. The sensitivities of the fault current on CPL are analyzed. Simulation is implemented in a case study to evaluate the effectiveness of the proposed model of DC Microgrid.",
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Bayati, N, Hajizadeh, A & N. Soltani, M 2018, Accurate Modeling of DC Microgrid for Fault and Protection Studies. i 2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings., 8495679, IEEE Press, s. 1-6, 2018 International Conference on Smart Energy Systems and Technologies, Sevilla, Spanien, 10/09/2018. https://doi.org/10.1109/SEST.2018.8495679

Accurate Modeling of DC Microgrid for Fault and Protection Studies. / Bayati, Navid; Hajizadeh, Amin; N. Soltani, Mohsen.

2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings. IEEE Press, 2018. s. 1-6 8495679.

Eksport af forskningsdata: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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Bayati N, Hajizadeh A, N. Soltani M. Accurate Modeling of DC Microgrid for Fault and Protection Studies. i 2018 International Conference on Smart Energy Systems and Technologies, SEST 2018 - Proceedings. IEEE Press. 2018. s. 1-6. 8495679 https://doi.org/10.1109/SEST.2018.8495679