Optimization method of day-ahead unit commitment of thermal power system of thermal power plant capable of operating under multiple states
An optimization method and unit combination technology, which is applied in information technology support systems, instruments, data processing applications, etc., can solve the problem of not considering the heat supply problem of the thermal power unit and the heat storage tank, and it is difficult to apply.
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[0083] Such as image 3 , Figure 4 , Figure 5 , Image 6 with Figure 7 Shown, the present invention comprises the following steps:
[0084] Step A: Establish a mathematical model of operation constraints for each steam extraction and heating power plant in the thermal power system;
[0085] The thermal power system includes N power plants, and the power plants are divided into non-heating power plants and steam extraction heating power plants. The non-heating power plants are regarded as extraction steam heating power plants with a heat load that is always zero, and then described using a unified mathematical model with the extraction steam heating power plants; The configuration of the nth extraction steam heating power plant includes I n A steam extraction heating unit and a heat storage capacity of The heat storage tank; the generating power of the i-th extraction steam heating unit in a given period t is The extraction steam heating power is The electricity p...
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