نتایج جستجو برای: centralized adaptive load shedding

تعداد نتایج: 372242  

2009
R. A. H. CHILVERS

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...

1998
Sivarama P. Dandamudi Michael Kwok Cheong Lo

− Dynamic load sharing policies take system state into account in making load distribution decisions. The state information can be maintained in one of two basic ways: distributed or centralized. Two principal types of policies that belong to the distributed scheme are the sender-initiated and receiverinitiated policies. In the centralized scheme, a central coordinator node is responsible for c...

2013
Yang Li

......................................................................................................................................... ii Acknowledgements ....................................................................................................................... iii Chapter

2007
Rimma V. Nehme Elke A. Rundensteiner

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...

This paper proposes a new voltage stability assessment method based on vector analysis method. This index extraction process relies on measurements of active and reactive powers from connected buses to the generator buses. Therefore, a limit for beginning of voltage collapse is determined based on the maximum power transfer theory. On the other hand, when the system requires load shedding, a ne...

Journal: :Expert Syst. Appl. 2011
Cheng-Ting Hsu Hui-Jen Chuang Chao-Shun Chen

⇑ Corresponding author. E-mail addresses: [email protected] (C.-T. H (H.-J. Chuang), [email protected] (C.-S. Chen). This paper presents the design of adaptive load-shedding strategy by executing the artificial neural network (ANN) and transient stability analysis for an Industrial cogeneration facility. To prepare the training data set for ANN, the transient stability analysis has been p...

Journal: :journal of operation and automation in power engineering 2014
behnam mohammadi-ivatloo a. mokari h. seyedi s. ghasemzadeh

when a distribution network consisting of distributed generations (dgs) is disconnected from upstream network, the system may be exposed to severe power imbalance. in order to prevent the damage of power plants, frequency relays operate and remove dgs from the network. in contrast to traditional methods, the main objective in new methods is to keep dg units in service in the islanded distributi...

This paper aims to design an optimal distributed multi-agent controller for load frequency control and optimal power flow purposes. The controller parameters are optimized using Grey Wolf Optimization (GWO) algorithm. The designed optimal distributed controller is employed for load frequency control in the IEEE 30-bus test system with six generators. The controller of each generator is consider...

2009
Nesime Tatbul

1. Aberer K., Datta A., Hauswirth M., and Schmidt R. Indexing data-oriented overlay networks. In Int. Conf. on Very Large Data Bases (VLDB 2005). (More details at http://www.pgrid.org) 2. Aberer K., Datta A., and Hauswirth M. Multifaceted simultaneous load balancing in DHT-based P2P systems: a new game with old balls and bins. In Self-Properties in Complex Information Systems, Springer, Berlin,...

Disconnecting microgrid from main grid, may lead to severe frequency changes. Under frequency load shedding method provides a proper protection scheme by shedding certain amount of loads. Under frequency load shedding relay is used for frequency control of islanded microgrid. Each synchronous distributed generator (DG) of microgrid is equipped with a protective islanding detection device such a...

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