Results 261 to 270 of about 985,064 (306)

Load shedding on an isolated system

IEEE Transactions on Power Systems, 1995
Underfrequency load shedding (UFLS), in previous generations shunned by the power supply industry as an admission of poor planning and operation, has become a generally accepted practice. There is by now a considerable body of literature on the subject.
C. Concordia, L.H. Fink, G. Poullikkas
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Developments in fast load shedding

Conference Record of 2014 Annual Pulp and Paper Industry Technical Conference, 2014
This paper describes a smart load shedding scheme that monitors plant loads, plant generation and generation/utility supply reserve to select the minimum number and lowest priority loads for shedding. The paper first gives an overview of industrial power system dynamics undergoing loss of supply contingencies and existing load shed practices, such as ...
Craig Wester, Terrence Smith, Jacobus Theron, David McGinn   +3 more
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Smart load shedding system

2012 3rd IEEE International Symposium on Power Electronics for Distributed Generation Systems (PEDG), 2012
This paper describes a methodology of application of smart grid technology for improvement of existing emergency automation system. Existing and new developed automation systems are considered in the paper. Authors approved advantage of suggested automation system using mathematical simulation of emergency processes in the power system.
R. Petrichenko, V. Chuvychin
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Load Shedding in a Data Stream Manager

2003
A Data Stream Manager accepts push-based inputs from a set of data sources, processes these inputs with respect to a set of standing queries, and produces outputs based on Quality-of-Service (QoS) specifications. When input rates exceed system capacity, the system will become overloaded and latency will deteriorate.
Nesime Tatbul, Ugur Çetintemel, Stanley B. Zdonik, Mitch Cherniack, Michael Stonebraker   +4 more
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Optimization of load shedding system

IEEE Transactions on Energy Conversion, 1993
An optimization algorithm is presented for an underfrequency load shedding system which is composed of several stages that are tripped at preset frequencies. The optimization of this system is considered with respect to a cost function that includes a dynamic part, which is the integral of the deviation from nominal frequency, and a static part which ...
Y. Halevi, D. Kottick
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On undervoltage load shedding in power systems

International Journal of Electrical Power and Energy Systems, 1997
This paper presents an analytical basis and criterion for undervoltage load shedding in power systems. If the voltage is unstable, the proposed undervoltage load shedding criterion can be used to calculate the amount of load which must be shed to ...
Göran Andersson, David J Hill, Ian A Hiskens   +2 more
exaly   +1 more source

Load shedding in a distribution network

2009 International Conference on Sustainable Power Generation and Supply, 2009
Conventional methods of load shedding are too slow, do not effectively calculate the correct amount of load to shed and lack in operating in a coordinated way. This results in either unnecessary or insufficient load reduction. A new technique should be applied that will be fast and optimal relying on slow communication in order for the distribution ...
S. Hirodontis, H. Li, P.A. Crossley
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System loadability and load shedding

Electric Power Systems Research, 1994
Abstract System loadability is evaluated using a nonlinear programming technique, and a loadability margin is determined for purposes of static voltage stability assessment. The margin is either in terms of voltampere load or VAR load. Generation participation is adjusted in order to produce higher system loadability.
G.J. Berg, T.A. Sharaf
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Optimization of a Load Shedding Scheme

IEEE Industry Applications Magazine, 1998
An integrated process facility recently went through an update of its existing load shedding scheme in the context of process changes planned for the coming years. Transient simulations indicated that by changing the load shedding philosophy, the frequency profile during power shortages could be significantly improved.
Gursharan S. Grewal, John W. Konowalec, Mak Hakim   +2 more
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Integrated Load Shedding Project

INTELEC '87 - The Ninth International Telecommunications Energy Conference, 1987
With the impending energy shortages and the steeply rising costs of constructing new power generation facilities, the electric utilities in the US have found it economically advantageous to encourage major consumers of electricity to curtail usage, mainly during the peak consumption hours between 10 a.m. and 3 p.m. in the summer months.
P.C. Ashar, B.I. Wallner, J.S. Hill, A.Q. Quang   +3 more
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