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Because of the great stochastic of wind power, it is difficult to forecast it accurately and the forecasting result can not be applied to unit commitment directly. A dispersed probability distribution model is built based on statistics of wind power forecasting error, the cumulated outage capacity table of the units is combined with this model and fitted by Gaussian function. Unit commitment risk...
The paper proposes a bilevel programming model for security-constrained unit commitment. The upper level solves an optimal power flow problem based on a DC power flow model; the lower level gives the unit commitment results of each subsystems as well as the required Lagrangian multipliers for the upper level and thus the two levels can be solved alternately. In this paper a 16-bus system with 19 units...
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