long-term voltage instability
A dynamic simulation approach to identify additional reactive reserves against long-term voltage instability
... the voltage returns in the deadband (or the B L limit is ...its voltage control ability ...of long- term voltage instability ...under voltage control may be critical also ...
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Voltage Stability Monitoring, Instability Detection and Control
... characteristics, voltage instability can manifest itself in different ...the voltage instability caused by a smooth load increase is intuitively clear and explained by PV curves, the ...
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A two-level emergency control scheme against power system voltage instability
... systems, voltage instability, emergency control, distributed control, wide-area monitoring, adaptive systems, load shedding, load tap ...Introduction Voltage instability of power systems is ...
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Combinatorial optimization approaches to the design of load shedding schemes against voltage instability
... Since long-term voltage instability is triggered mainly by the loss of generation or transmission facilities, “N-1” contingen- cies corresponding to the loss of a single equipment are usually ...
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Wide-Area Adaptive Load Shedding Control to Counteract Voltage Instability
... Fig. 1. Structure of two-level adaptive load shedding scheme The very principle of the upper level can be summarized as follows. We assume that wide-area monitoring is performed at this level, based on appropriate ...
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Wide-area Detection of Voltage Instability from Synchronized Phasor Measurements. Part I: Principle
... age instability [6], [7]: preventive and ...real-time voltage security assessment applications [7], ...impending long-term voltage instability, driven typically by Load Tap ...
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A short Survey of Methods for Voltage Instability Detection
... for Voltage Instability Detection Mevludin Glavic, Senior Member, IEEE Thierry Van Cutsem, Fellow, IEEE Abstract—This paper shortly surveys existing and proposed methods for voltage ...
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Wide-area Detection of Voltage Instability from Synchronized Phasor Measurements. Part II: Simulation results
... The tests were performed on a small system but were deemed demanding. For instance, the simulation of the line outage causing long-term voltage instability included the ini- tiating fault. ...
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Detecting with PMUs the onset of voltage instability caused by a large disturbance
... for voltage instability detection This includes the possibility to detect and control an imped- ing voltage ...of long-term voltage instability, driven typically by Load ...
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PROSPECTS OF AN IMPROVED SYSTEM PROTECTION SCHEME AGAINST VOLTAGE INSTABILITY IN THE RTE SYSTEM
... against long- term voltage instability relying on a set of distributed controllers, each monitoring a transmission voltage, blocking tap changers and shedding loads in a ...
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Coupling optimization and dynamic simulation for preventive-corrective control of voltage instability
... of Voltage Instability Florin Capitanescu, Thierry Van Cutsem, Fellow, IEEE, and Louis Wehenkel, Member, IEEE Abstract—This paper proposes an approach coupling secu- rity-constrained optimal power flow with ...
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Are long-term earnings targets forecasts?
... The specification in Panel A, Column (6) includes (Y ActualBEs-YJ ForecastG)/Assets, or the difference between actual I/B/E/S income before extraordinary items for the [r] ...
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Long-term durability of concrete structures
... Long-term durability of concrete structures Mailvaganam, N. P.; Litvan, G. G. https://publications-cnrc.canada.ca/fra/droits L’accès à ce site Web et l’utilisation de son contenu sont assujettis aux ...
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Alternative Modeling for Long Term Risk
... and long-term ...for long-term risk ...at long-term in practice ...the long-term horizon. The results for longer term, such as 1-year, 3-year, and 5-year are ...
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LONG-TERM HISTORY AND EPHEMERAL CONFIGURATIONS
... 2012)). This is, by definition, ephemeral in the sense that it implies links with so- cial situations which have their own time scale and are most certainly not “eternal truths.” However, another reason for this ...
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Automatic contribution of long-term knowledge to verbal short-term memory
... Martin, N., Saffran, E. M., & Dell, G. S., N. (1996). Recovery in deep dysphasia: Evidence for a relation between auditory–verbal STM capacity and lexical errors in repetition. Brain and Language, 52(1), 83–113. ...
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Automatic contribution of long-term knowledge to verbal short-term memory
... Martin, N., Saffran, E. M., & Dell, G. S., N. (1996). Recovery in deep dysphasia: Evidence for a relation between auditory–verbal STM capacity and lexical errors in repetition. Brain and Language, 52(1), 83–113. ...
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Effects of Long-term Incarceration on the Elderly
... included long-term incarceration as a traumatic event that can cause ...the term “Post-traumatic Stress Disorder” as a consequence of their lengthy time behind bars, I will instead describe the ...
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Can long-term emissions be predicted with models based on short-term emissions?
... To predict indoor air concentrations of volatile organic compounds (VOCs), it is necessary to know the emission characteristics of building materials, which are major sources of these chemicals indoors. Small-scale ...
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Two distinct origins of long-term learning effects in verbal short-term memory
... occurrence regularities to recall errors for nonword lists. Thus, the present study directly shows the existence of two types of learning that both serve the acquisition of long-term knowledge of serial ...
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