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Optimal dispatching method for multi-energy complementary power generation system

A technology for optimizing dispatching and power generation systems. It is applied in wind power generation, photovoltaic power generation, electrical components, etc., and can solve the problems of the impact of the safe operation of the main network, the high cost of connecting to the power grid, and the lack of control technology.

Active Publication Date: 2018-10-26
NANJING INST OF TECH +1
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Problems solved by technology

However, due to the lack of corresponding control technology, the cost of connecting to the grid is too high, and it has a negative impact on the safe operation of the main grid

Method used

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  • Optimal dispatching method for multi-energy complementary power generation system
  • Optimal dispatching method for multi-energy complementary power generation system
  • Optimal dispatching method for multi-energy complementary power generation system

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Experimental program
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Embodiment Construction

[0066] The present invention is described in further detail now in conjunction with accompanying drawing.

[0067] The multi-energy complementary system of the present invention is composed of a wind power generator (ie: WT), a photovoltaic power generation unit (ie: PV), a pumped energy storage power station (ie: MT), 7 thermal power units in equal proportions and The load and other parts of the large power grid are composed. The structure of multi-energy complementary system is as follows: figure 2 As shown, the specific implementation process is as follows figure 1 shown.

[0068] 1. Input the data of the multi-energy complementary system, including the load data of the large power grid, the forecast data of wind and solar power generation, and the equipment parameters of the complementary system, as shown in Table 1 and Table 2.

[0069] Table 1 Parameters of multi-energy complementary system

[0070]

[0071]

[0072] Table 2 thermal power unit parameters

[0...

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Abstract

The invention discloses an optimal dispatching method for a multi-energy complementary power generation system. According to the method, when a wind and light power generation system and a water suction energy storage power station are switched in a large power grid for operation, a coordinated dispatching method is applied, and the coordination problem between the power grid loss generated when the wind and light power generation system and the water suction energy storage power station are switched in the large power grid and the economic optimal object of a complementary system is solved. Moreover, the absorptive problem of wind and light power generation is further considered, a coordinated dispatching strategy is provided, and the method is used for carrying out system optimization onthe overall system containing the wind and light power generation system and the water suction energy storage power station. Therefore, a flexible, safe and reliable technology can be provided amongthe interior of the wind and light power generation system, the wind and light power generation system and the water suction energy storage power station and between the complementary system and the large power grid by using a particle swarm intelligence algorithm, flexible economic dispatching is realized, and the stability of the complementary system is guaranteed.

Description

technical field [0001] The invention relates to an optimal scheduling method of a multi-energy complementary power generation system, which belongs to the field of economic scheduling of a large power grid. Background technique [0002] In the context of the increasingly tense global energy sources, the development of new energy sources has become a topic of common concern to all countries in the world. At present, distributed energy systems have been highly valued and actively developed and utilized in various countries in the world. Among them, wind power and photovoltaic power generation are the most obvious, and their advantages such as high efficiency and environmental protection are particularly prominent. However, due to the lack of corresponding control technology, the cost of connecting to the grid is too high, and it has a negative impact on the safe operation of the main grid. For this reason, a multi-energy complementary system has been produced. With its high d...

Claims

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Application Information

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IPC IPC(8): H02J3/48
CPCH02J3/383H02J3/386H02J3/48H02J2203/20Y02E10/56Y02E10/76
Inventor 郝思鹏吴清刘海涛张仰飞付蓉
Owner NANJING INST OF TECH
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