نتایج جستجو برای: under frequency load shedding
تعداد نتایج: 1613373 فیلتر نتایج به سال:
The conventional Under Frequency Load Shedding (UFLS) scheme could result in unacceptably low frequency nadirs or overshedding power systems with volatile inertia. This paper proposes a novel UFLS for modern whose inertia may vary wide range due to high penetration of renewable energy sources (RESs). proposed estimates the rate change (RoCoF) center (CoI), and consequently, loss generation (LoG...
Reduction of maximum demand With the rising cost of electricity, there are large incentives There are three main ways in which maximum demand can to reduce the maximum demand charges incurred at a sugar be reduced; mill. The advantages of good maximum demand control, the power factor correction, control Strategy used to implement Such a system and a dedistributing loads more evenly, scription o...
application of fuzzy linear programming in optimal load shedding and generation reallocation problem
in this article, an effective method to control a power system during emergency conditions is presented. based on fuzzy linear programming (flp), a new technique is developed to solve the load shedding and generation reallocation (lsgr) optimization problem. the objective function consists of terms of load curtailments and deviations in generation schedules. the constraints are power system var...
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BACKGROUND Patterns of influenza molecular viral shedding following influenza infection have been well established; predictors of viral shedding however remain uncertain. OBJECTIVES We sought to determine factors associated with peak molecular viral load, duration of shedding, and viral area under the curve (AUC) in children and adult Hutterite colony members with laboratory-confirmed influen...
Moving object environments are characterized by large numbers of objects continuously sending location updates. At times, data arrival rates may spike up, causing the load on the system to exceed its capacity. This may result in increased output latencies, potentially leading to invalid or obsolete answers. Dropping data randomly, the most frequently used approach in the literature for load she...
Load shedding has been extensively studied because of multiple power system failure occurrences worldwide. Reliable techniques are required to provide rapid and precise load shedding to avert voltage collapse in power networks. Meta-heuristic optimization approaches are currently the widely developed methods because of their robustness and flexibility in dealing with complex and non-linear syst...
This paper investigates an alternative solution to prevent Load Shedding (LS) triggering during underfrequency and proposes a new technique to restore the frequency during emergency events. Demand response (DR) is considered as one of the most promising Smart Grid concepts that can be used to support the peak demand, whereas, LS is an existing last resort method during emergency grid situations...
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