نتایج جستجو برای: load shedding

تعداد نتایج: 161450  

Journal: :Appl. Soft Comput. 2008
Savita Sharma Laxmi Srivastava

With the worldwide deregulation of power system, fast line flows or real power (MW) security assessment has become a challenging task for which fast and accurate prediction of line flows is essential. Since last few years, limit violation of voltage and line loading has been responsible for undesirable incidents of power system collapse leading to partial or even complete blackouts. Accurate pr...

2006
Yu Fan Hongyan Li Zijing Hu Jianlong Gao Haibin Liu Shiwei Tang Xinbiao Zhou

This demo paper describes a clinical information system: Data Stream Engine based Clinical information system (DSEC). In DSEC, data stream technology as well as traditional computer mechanism is used to process medical data and improve the quality of service in hospitals. The novel features of DSEC include: 1) A complete data stream processing and querying architecture for medical application 2...

Journal: :JCSE 2013
Hyeon Gyu Kim Myoung-Ho Kim

In recent years, progress in hardware technology has resulted in the possibility of monitoring many events in real time. The volume of incoming data may be so large, that monitoring all individual data might be intractable. Revisiting any particular record can also be impossible in this environment. Therefore, many database schemes, such as aggregation, join, frequent pattern mining, and indexi...

2007
Josep Sanjuàs-Cuxart Pere Barlet-Ros

Building robust network monitoring applications is hard given the unpredictable nature of network traffic and high, ever-increasing data rates. Traffic analysis systems must be designed with load shedding techniques in mind that can reduce the workload of a network monitoring system whilst gracefully degrading the accuracy of the results. We present a novel load shedding approach based on build...

2008
Stephan Koch Marek Zima Göran Andersson

mand Side Management (DSM) in power systems, although in principle known s been getting an increasing amount of attention during the last few years. In its , DSM basically consists of the deactivation of large loads during peak hours, ancial incentives for users [1,2] or remote-controlled by the electricity provider control equipment). The goal of these approaches is usually the reduction of k ...

2013
Sohel Rana Fahim Hossain Shuvangkor Shusmoy Roy Suman Kumar Mitra

The paper contains primary data based analysis on the role played by Battery Operated Auto-rickshaws in urban transportation system. Different aspects of battery operated auto-rickshaw, such as energy consumption rate, transport related emission attenuation rate, potentials of generating income and employment, trip characteristics, problems associated etc have been explored with a view to provi...

2013
Mohammad Naeem Syed Hussain Muhammad Saleem Khan

Objectives: To estimate coverage rate and factors associated with the failure of DPT vaccination in urban and rural areas of Peshawar. Material and Methods: This cross-sectional study was conducted on 509 children in selected areas of Peshawar University, Peshawar Saddar, Naway Kalay and Pawaka Village. Parents were asked about demographics, the DPT (Diphtheria, Pertussis, Tetanus) vaccination ...

2009
F. Capitanescu B. Otomega H. Lefebvre V. Sermanson T. Van Cutsem

This paper reports on prospective tests of a system protection scheme 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 zone. The emergency actions adjust in magnitude and location to the disturbance. Each controller acts in closed-loop, which guarantees robustness. The method ...

2013
Jure Močnik Miha Gornik Boštjan Murovec Andrej Žemva

The paper proposes a concept of power-consumption optimization in smart homes based on demandside management (DSM) and using smart able to control home electrical devices by a wireless connection. The advantages of the concept are lower power consumption without reducing the users living comfort and enabling the users to actively participate in the smart-grid load shedding.

2006
Xuan-Hong Dang Wee Keong Ng Kok-Leong Ong

Most algorithms that focus on discovering frequent patterns from data streams assumed that the machinery is capable of managing all the incoming transactions without any delay; or without the need to drop transactions. However, this assumption is often impractical due to the inherent characteristics of data stream environments. Especially under high load conditions, there is often a shortage of...

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