Decomposition-coordination scheduling method of pyroelectric combination system

A technology of combined heat and power and scheduling method, applied in the direction of heating system, heating method, system integration technology, etc., can solve the problem that it is difficult to realize the unified scheduling of the complete model of the power system and the heating system.

Active Publication Date: 2017-06-09
TSINGHUA UNIV
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Problems solved by technology

[0003] The power system and the heating system are operated independently by the power company and the heating company. Due to the ind

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  • Decomposition-coordination scheduling method of pyroelectric combination system
  • Decomposition-coordination scheduling method of pyroelectric combination system
  • Decomposition-coordination scheduling method of pyroelectric combination system

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Embodiment Construction

[0129] The decomposition and coordination scheduling method of the combined heat and power system proposed by the present invention, the structure of the combined heat and power system involved is as follows figure 1 As shown, the method includes the following steps:

[0130] (1) Establish a dispatching model of the combined heat and power system. The dispatching model is composed of objective functions and constraints, including:

[0131] (1-1) The objective function of the dispatching model of combined heat and power system:

[0132] The objective function of the combined heat and power system scheduling model is to minimize the operating costs of the power system and heating system, and the expression is:

[0133]

[0134] In the above formula, T is the set of scheduling periods, I CHP , I TU , I WD and I HB are respectively the number sets of cogeneration units, conventional units, wind turbines and thermal boilers in the combined heat and power system, with ar...

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Abstract

The invention relates to a decomposition-coordination scheduling method of pyroelectric combination system, and belongs to the power system operation technology field. By comprehensively considering a scheduling model of a power system and a scheduling model of a heat supply system, a pyroelectric combination optimization scheduling model is established. By aiming at the pyroelectric combination optimization scheduling model, and based on a Benders decomposition algorithm, the decomposition-coordination scheduling solution algorithm of the pyroelectric combination system is provided. According to the pyroelectric combination optimization scheduling decomposition-coordination algorithm, the scheduling mechanism of the power system and the scheduling mechanism of the heat supply system are only required to optimize internal systems under the control of the above mentioned two systems, and the global optimal solution of the pyroelectric combination optimization scheduling is acquired by interaction iteration of boundary conditions between heat and electricity. The decomposition-coordination scheduling method of the pyroelectric combination system has good convergence speed, and is capable of obviously improving the operation flexibility of the heat supply system.

Description

technical field [0001] The invention relates to a method for decomposition, coordination and dispatching of a combined heat and power system, and belongs to the technical field of power system operation. Background technique [0002] The phenomenon of curtailment of wind power in the power system in the wind power collection area in northern my country is very serious. One of the main reasons is that due to the limitation of the minimum output of cogeneration units, wind power has to be discarded during strong winds at night to ensure the minimum heat supply of the heating system. This situation can be improved through combined heat and power optimization dispatching. Specifically, by utilizing the heat storage efficiency of the urban heating pipe network, the adjustment of the heating load in the time dimension can be realized to achieve the effect of peak shifting and valley filling. Therefore, during the period of high wind power generation at night, the combined heat and...

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Application Information

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IPC IPC(8): G06Q10/04G06Q50/06H02J3/46F24D19/10
CPCF24D19/1009G06Q10/04G06Q50/06H02J3/46H02J2203/20Y02P80/15F24D19/1048H02J2300/28H02J3/381Y02E10/76H02J3/38Y02E40/70Y04S10/50G05B13/042
Inventor 吴文传张伯明孙宏斌蔺晨晖郭庆来王彬
Owner TSINGHUA UNIV
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