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Optimal under voltage load shedding based on voltage stability index [PDF]
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 Stability Assessment and Control Using Indices and FACTS: A Comparative Review
The problem of voltage stability is becoming a more acute and indispensable topic given the major and sensitive role it plays in the electrical system. It can be considered a major factor in the initiation of blackouts around the world.
Rabiaa Gadal +4 more
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Coupled single-port method based voltage stability assessment with inverter-based generators
With the increase of inverter-based generators in the power system, the proportion of traditional generators is decreasing, and their voltage support ability to the power system is weakening, the power system operation is approaching to its voltage ...
Zhenchuan Ma +5 more
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Implementation of Static Line Voltage Stability Indices for Improved Static Voltage Stability Margin
Nowadays, the changes of economic, environment, and regulations are forcing the electric utilities to operate systems at maximum capacity. Therefore, the operation and control of power system to improve the system stability has been receiving a great ...
Natakorn Thasnas, Apirat Siritaratiwat
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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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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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Impact of HVDC transmission capacity on multi-send HVDC system voltage stability
The massive construction of high voltage direct current (HVDC) makes the AC/DC interactions very complicated, which seriously affects transient voltage stability.
Mingjie Wang, Gang Zhang, Zhe Zhang
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Voltage and frequency instability in large PV systems connected to weak power grid
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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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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System static voltage stability analysis considering load characteristics of electrolytic aluminum
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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