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An Optimal Dispatch Method for Multi-energy Complementary Power Generation System

A technology for optimizing dispatching and power generation systems, applied in wind power generation, photovoltaic power generation, electrical components, etc., can solve problems such as the impact of the main network safety operation, high cost of access to the power grid, lack of control technology, etc., and achieve considerable economic and social benefits, Effective utilization and power balance

Active Publication Date: 2021-08-03
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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  • An Optimal Dispatch Method for Multi-energy Complementary Power Generation System
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  • An Optimal Dispatch Method for Multi-energy Complementary Power Generation System

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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

An optimal scheduling method for a multi-energy complementary power generation system. This method applies a coordinated scheduling method when the wind power generation system and the pumped energy storage power station are connected to the large power grid. The coordination problem between loss and complementary system economic optimization objectives. At the same time, the consumption problem of wind power generation is also considered, and a coordinated dispatch strategy is proposed to optimize the overall system including wind power generation and pumped storage power stations. Therefore, by using the particle swarm intelligent algorithm, the present invention can provide flexible, safe and reliable technology for the interior of the wind power generation system, between the wind power generation system and the pumped storage power station, and between the complementary system and the large power grid, and realize flexible economic dispatch , and guarantee the stability of the complementary system.

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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Patent Type & Authority Patents(China)
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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