Comprehensive energy system optimization scheduling method considering multiple heat supply modes of combined heat and power generation
An integrated energy system and optimal dispatching technology, which is applied in the field of integrated energy system optimal dispatching considering cogeneration and multi-heating modes, can solve the problems of wind power abandonment, affecting system economy and flexibility, etc.
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[0056] The structure of the integrated energy system of this embodiment is as follows: Figure 4 shown. The system consists of a 6-node grid and a 6-node heating network. The power system includes conventional generating units, a wind farm and a gas-steam combined cycle cogeneration unit, which consists of a M701F4 gas turbine, a triple-pressure reheat waste heat boiler and a steam turbine (TC2F-40.5). A method for optimal dispatching of an integrated energy system considering multiple heat supply modes of combined heat and power generation, comprising the following steps:
[0057] S1, establish a full-mode operation model of the CHP unit, the full-mode operation model includes extraction mode operation, back pressure mode operation and switching mode operation, the model is:
[0058]
[0059]
[0060] Ω chp =Ω ae ∪Ω bp ∪{(0,0)}
[0061] It should be noted that the switching process from back pressure mode to extraction mode requires energy consumption. Therefore,...
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