Maintenance of power systems considering time-dependent uncertainty

2014 ◽  
pp. 1127-1131
Author(s):  
T Iesmantas ◽  
R Alzbutas
Keyword(s):  
Power Systems ◽  
Time Dependent

Time-Dependent Marginal Energy Costs in Power Systems with Forced Outages

1980 ◽  
Vol 31 (6) ◽  
pp. 507-516 ◽  
Author(s):  
Jacob Zahavi ◽  
Joseph Vardi ◽  
Benjamin Avi-Itzhak
Keyword(s):  
Power Systems ◽  
Time Dependent ◽  
Energy Costs

Selection and Sizing of Prime Movers in Combined Heat and Power Systems

2004 ◽  
Author(s):  
Sepehr Sanaye ◽  
Shahabeddin Shokrollahi
Keyword(s):  
Power Systems ◽  
District Heating ◽  
Combined Heat And Power ◽  
Environmental Benefits ◽  
Time Dependent ◽  
Ambient Conditions ◽  
Engine Exhaust ◽  
Operational Strategy ◽  
Partial Load ◽  
Prime Movers

Combined heat and power (CHP) is a technology with significant economical and environmental benefits. Proper sizing and operational strategy of CHP systems must take into account the time dependent character of electrical and thermal load requirements. Furthermore the CHP systems should be able to operate at off-design points with variable power and heat outputs. In this paper, the selection of type and combination of prime movers, their nominal powers and planning their operational strategy is performed. Three prime movers namely diesel engine, gas engine and gas turbine have been used to provide the required power and heat loads. Ambient conditions, and time dependent electrical/heat load curves are assumed to be the known variables, and thermal efficiency, engine exhaust gas temperatures, exhaust and fuel mass flow rate at partial load are estimated using relations obtained for prime movers mentioned in this paper. The presented approach successfully estimated the most economical combination of prime movers for a selected district heating plant.

Time-Dependent Marginal Energy Costs in Power Systems with Forced Outages

1980 ◽  
Vol 31 (6) ◽  
pp. 507
Author(s):  
Jacob Zahavi ◽  
Joseph Vardi ◽  
Benjamin Avi-Itzhak
Keyword(s):  
Power Systems ◽  
Time Dependent ◽  
Energy Costs
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