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The percentage of gas-fired generating units in China is increasing rapidly in recent years. Due to the uncertainty in natural gas supply and the shared usage by other industries and residents, the available natural gas supply cannot be predicted day-ahead precisely. To represent the stochastic nature of natural gas supply of power plants, we propose a two-stage stochastic programming model for the...
With the increasing penetration of renewable energy in the power system and stricter restrictions on the air pollutants, more gas-fired generators have been accessed into the power system. To analyze the impacts of high proportion of gas-fired units on the power system, a liberalized electricity market Nash-Cournot equilibrium model has been proposed in this paper. Then a numerical example is given...
Dispatching operation in modern power grid has the complexity and uncertainty, which makes the traditional dispatching mode based on experience of dispatchers face severe test. In this paper, risk consequences calculation is introduced to large-scale power grid dispatching operation. For the various operation steps in dispatching order, the concepts of operation state and operation developing state...
The reasonable dispatching is a key part in maintaining security and stability of power system. Due to the uncertainties such as weather and equipment aging, dispatching operation often faces certain risks. It is essential to analyze the real-time risk of dispatching operation to ensure that the risk can be controlled before dispatching orders are carried out. In this paper, risk theory is implied...
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