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Survey on microgrids: Unplanned islanding and related inverter control techniques
Llaria, Alvaro; Curea, Octavian; Jiménez, Jaime; … - In: Renewable Energy 36 (2011) 8, pp. 2052-2061
customer sites. Moreover, they have the inherent property of islanding: the disconnection of either the MG from the main grid … or a portion of a MG from the rest of the MG. There are two kinds of islanding: intentional or planned (for maintenance … systems which allow continuing the energy production and distribution despite the disconnection. In islanding, it is crucial …
Persistent link: https://www.econbiz.de/10010805649
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Anti-islanding protection and islanding operation of grid-connected hydropower distributed generation
Kashem, M.A.; Ledwich, G. - In: International Journal of Global Energy Issues 24 (2005) 1/2, pp. 76-85
include operation and voltage regulation, grid connection and control interaction, anti-islanding protection and islanding … timely and important to the electricity industry. This paper has addressed islanding and anti-islanding issues of hydropower … microprocessor-based line-tracking system is proposed for HPDG operation with grid system. A technique is developed to use islanding …
Persistent link: https://www.econbiz.de/10010669966
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Wavelet transform method for islanding detection of wind turbines
Karegar, H. Kazemi; Sobhani, B. - In: Renewable Energy 38 (2012) 1, pp. 94-106
This paper presents a passive islanding detection method for wind turbines. The proposed method is based on voltage … measurements and processing of this voltage with a discrete wavelet transform. This method detects the islanding conditions with … are the same as those of the simulated system. The results show that the proposed islanding detection method succeeds in …
Persistent link: https://www.econbiz.de/10010803706
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Application of decision tree and discrete wavelet transform for an optimized intelligent-based islanding detection method in distributed systems with distributed generations
Heidari, Mehrdad; Seifossadat, Ghodratollah; Razaz, Morteza - In: Renewable and Sustainable Energy Reviews 27 (2013) C, pp. 525-532
In this paper, a method for islanding detection based on analysis of transient state signals is provided. Decision tree …
Persistent link: https://www.econbiz.de/10010703015
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Microgrids: Experiences, barriers and success factors
Soshinskaya, Mariya; Crijns-Graus, Wina H.J.; Guerrero, … - In: Renewable and Sustainable Energy Reviews 40 (2014) C, pp. 659-672
Although microgrids have been researched for over a decade and recognized for their multitude of benefits to improve power reliability, security, sustainability, and decrease power costs for the consumer, they have still not reached rapid commercial growth. The main aim of this research is to...
Persistent link: https://www.econbiz.de/10011077258
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Input output feedback linearization control and variable step size MPPT algorithm of a grid-connected photovoltaic inverter
Lalili, D.; Mellit, A.; Lourci, N.; Medjahed, B.; … - In: Renewable Energy 36 (2011) 12, pp. 3282-3291
In this paper, the power factor of a grid-connected photovoltaic inverter is controlled using the input output Feedback Linearization Control (FLC) technique. This technique transforms the nonlinear state model of the inverter in the d–q reference frame into two equivalent linear subsystems,...
Persistent link: https://www.econbiz.de/10010806073
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Research on control strategy of grid-connected inverter based on three-loop structure
Geng, Yan; Ju, Yingjun; Hu, Bo; Ji, Jianwei - In: International journal of information technology and … 21 (2022) 4, pp. 405-422
Persistent link: https://www.econbiz.de/10014319229
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Cost effective second generation AC-modules: Development and testing aspects
Islam, Saiful; Woyte, Achim; Belmans, Ronnie; Heskes, Peter - In: Energy 31 (2006) 12, pp. 1897-1920
In the framework of the European research project PV2GO, a new AC-module inverter was developed, taking into account all relevant aspects from a European market's point of view (standards, market, application, and research and development goals). The project goal was to achieve the overall...
Persistent link: https://www.econbiz.de/10010810186
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Investigating performance, reliability and safety parameters of photovoltaic module inverter: Test results and compliances with the standards
Islam, Saiful; Woyte, Achim; Belmans, Ronnie; Heskes, P.J.M. - In: Renewable Energy 31 (2006) 8, pp. 1157-1181
Reliability, safety and quality requirements for a new type of photovoltaic module inverter have been identified and its performance has been evaluated for prototypes. The laboratory tests have to show whether the so-called second generation photovoltaic module inverter can comply with the...
Persistent link: https://www.econbiz.de/10010803966
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Modeling anti-islanding protection devices for photovoltaic systems
Xu, Mei; Melnik, Roderick V.N.; Borup, Uffe - In: Renewable Energy 29 (2004) 15, pp. 2195-2216
islanding phenomena connected with a possibility of supplying surplus power back to the utility grid. In detecting and … preventing such situations, anti-islanding protection devices play a paramount role. In this paper, we analyze the existing …
Persistent link: https://www.econbiz.de/10010804673