Results 21 to 30 of about 769,031 (295)
Optimal under voltage load shedding based on voltage stability index
Ingeniería e Investigación, 2016 This paper presents a methodology for under voltage load shedding using a metaheuristic optimization technique and a stability criterion. Two strategies are proposed to find the minimal size and location of load to shed for the recovery of normal ...
Sandra Pérez +2 more
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Voltage and frequency instability in large PV systems connected to weak power grid
Frontiers in Energy Research, 2023 The voltage and frequency control of photovoltaic (PV) systems are influenced by coupled nonlinear factors. It has been discovered that frequency control stability is threatened by voltage regulation methods in PV systems.
Qianjin Zhang +5 more
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Journal of Electrical and Computer Engineering, 2022 In this paper, static voltage stability assessments and their improvement using analytical and optimization techniques with different loading scenarios are described.
Tebeje Tesfaw Wondie, Teshome Goa Tella
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Applied Sciences, 2016 This paper proposes an efficient approach for the computation of voltage stability margin (VSM) in a large-scale power grid. The objective is to accurately and rapidly determine the load power margin which corresponds to voltage collapse phenomena.
Heng-Yi Su
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System static voltage stability analysis considering load characteristics of electrolytic aluminum
Energy Reports, 2022 The load characteristics have a significant impact on the static voltage stability analysis of the power grid. Wenshan power grid has a large amount of relatively centralized electrolytic aluminum load, accounting for 65% of the total local load.
Mingqiang Zhang +5 more
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IEEE Access, 2018 Reactive power reserve (RPR) management is a critical issue to power system voltage stability. Two RPR definitions are first proposed in this paper to evaluate the levels of RPR and improve voltage stability, namely long-term voltage stability-related ...
Quancai Sun, Haozhong Cheng, Yue Song
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Discrete breathers in a nonlinear electric line: Modeling, Computation and Experiment [PDF]
, 2011 We study experimentally and numerically the existence and stability properties of discrete breathers in a periodic nonlinear electric line. The electric line is composed of single cell nodes, containing a varactor diode and an inductor, coupled together ...
F. Palmero +7 more
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Secondary Frequency and Voltage Control of Islanded Microgrids via Distributed Averaging [PDF]
, 2015 In this work we present new distributed controllers for secondary frequency and voltage control in islanded microgrids. Inspired by techniques from cooperative control, the proposed controllers use localized information and nearest-neighbor communication
Bullo, Francesco +5 more
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e-Prime: Advances in Electrical Engineering, Electronics and EnergyThe shift of conventional vehicles to electric vehicles (EVs) is on pace nowadays. Increment in EVs adoption eventually results as increment of load on the existing power distribution system.
Sachin Sharma, Nitin Kumar Saxena
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Energy Reports, 2023 The “source–load” attributes of the nodes in a new energy power system are complex and diverse due to a large amount of new energy access. The node power (active and reactive power) in the system can offer a changing mode, which causes several serious ...
Xuan Zhang +4 more
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