Distributed generation and virtual power plants

Dulău, Lucian Ioan; Abrudean, Mihail; Bică, Dorin

doi:10.1109/upec.2014.6934630

Cited by 24 publications

(16 citation statements)

References 14 publications

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“…Select d-q two phase synchronous rotating coordinate system, the d axis is fixed in the direction of flux vector, the mathematical equations [6] of the doubly fed wind turbine in d-q coordinate system are as follows. …”

Section: Wind Power Systemmentioning

confidence: 99%

A Review on Impacts of Wind-Solar Hybrid Generation System on Low Frequency Oscillation of Power System

He¹,

Yao²,

Shi³

et al. 2017

dtetr

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Abstract. Energy crisis and environmental pollution caused by conventional energy power generation make renewable energy such as wind energy and solar energy as new alternative energy sources. The complementarity of wind-solar hybrid generation technology will be the focus of future research. This paper briefly introduce the current situation of the development of wind-solar hybrid generation system, the principle and analysis method of low frequency oscillation in power system are summarized. Including modeling and simulation, system oscillation modes and damping characteristics, and improve the system damping characteristics control strategy, etc. This paper provide a reference for further study of the influence on the characteristics of low frequency oscillation in power grid.

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Section: Wind Power Systemmentioning

confidence: 99%

A Review on Impacts of Wind-Solar Hybrid Generation System on Low Frequency Oscillation of Power System

He¹,

Yao²,

Shi³

et al. 2017

dtetr

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“…By depletion of traditional energy sources and because of worldwide climate changes, new generating technologies, such as small‐scale distributed generation (DG) units are connected directly into the distribution system near consumption areas . Most DGs depend on renewable energy resources with different ratings and voltage levels.…”

Section: Introductionmentioning

confidence: 99%

Switching strategy for DG optimal allocation during repairing fault periods on loop distribution networks

Hamad

el‐Ghany

Azmy

2017

Int Trans Electr Energ Syst

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Summary It is expected that the use of distributed generation (DG) will increase sharply in distribution systems, especially with the realization of smart grids. In spite of the benefits of DG in distribution systems, high penetration level of DGs could cause some challenges for the network. Therefore, the optimal sizing and siting of DGs should be identified carefully. In addition, different operating conditions have to be taken into account in this process. The DGs are usually installed depending on optimal siting and sizing techniques considering normal operating periods. During repairing fault periods, different locations and capacities of DGs may be preferable. In this paper, 2 scenarios of switching strategies are presented for attaining the optimal sizing and siting of DGs during repairing fault period starting from the optimal allocation obtained for normal operating period. Genetic algorithm is used for solving the optimization problem that is implemented for an actual loop distribution system in Egypt.

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“…The DGs location is dependent of the presence of their primary energy source. [1] Distributed generation is characterized by relatively small generated power, variations of generated power dependent on the availability and variability of primary energy source, and bidirectional power flows. [1] The major obstacle for the distributed generation has been the high cost.…”

Section: Introductionmentioning

confidence: 99%

“…However, the costs have decreased significantly over the past years. [1] The content of this paper is structured in 3 main sections.…”

Section: Introductionmentioning

confidence: 99%

Impact of a photovoltaic power plant connection on the power system

Dulău

Abrudean

Bică

2015

2015 IEEE Eindhoven PowerTech

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This paper presents the situation of the photovoltaic power plants nationwide (Romania) and in particular the situation of the photovoltaic (PV) power plants in Mureş county. It also describes the minimal technical conditions that a PV power plant must fulfill before it is connected to the national grid. A particular case study consists of the impact that the PV power plant in Chirileu has on the Medium Voltage line Ungheni-Cipău and the interconnection High Voltage station in Ungheni. The case study contains an analysis of the voltage drops in predefined points, power flows with and without the PV power plant connected, respectively active power losses across the line. The study will be performed upon the photovoltaic power plant with an installed capacity of 3.2 MW connected to the 20 kV Ungheni-Cipău overhead power line and supplied from 220/110/20 kV Ungheni system station. Index Terms-impact on power system, photovoltaic power plant, power flow, voltage level.I.

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Distributed generation and virtual power plants

Cited by 24 publications

References 14 publications

A Review on Impacts of Wind-Solar Hybrid Generation System on Low Frequency Oscillation of Power System

A Review on Impacts of Wind-Solar Hybrid Generation System on Low Frequency Oscillation of Power System

Switching strategy for DG optimal allocation during repairing fault periods on loop distribution networks

Impact of a photovoltaic power plant connection on the power system

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