Influence of Thermal Unit Spinning Reserve on Wind Power Accommodation
The power system operation mode has close connection with the wind power accommodation.This paper analyzes the influence of thermal unit spinning reserve on the wind power accommodation.Therefore,a mathematic model integrated with power and electric quantity is formulated to minimize system operation cost and curtailment wind cost.Up and down spinning reserve are also included in the model to deal with the impact of wind power fluctuation on the power system dispatching.On the basis of traditional unit commitment model,the energy progress constraint,system energy balance constraint and power plant energy plan constraint are also taken into account." three-public progress" power constraint is introduced for the completion of thermal power unit annual electricity plan; plant planned power constraint for the completion of the plant power plan; the curtailment wind cost in the objective function for the optimal selection between wind power and conventional power.High-performance optimization modeling software is used,and through calculation example with actual data,the four kinds of system spinning reserve configuration scheme are compared for analyzing the influence on wind power accommodation.
wind power plantwind power accommodationspinning reserveunit commitment