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Optimal economic operation method for multi-energy microgrid containing temperature control equipment

A temperature control device, the most economical technology, applied in wind power generation, single grid parallel feeding arrangement, power generation forecast in AC network, etc.

Inactive Publication Date: 2020-12-18
STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, there are few literatures that comprehensively consider the real physical structure model inside the multi-energy system, and analyze the influence of the thermal load temperature control characteristics on the optimal operation of the multi-energy system. Further research work is needed to address this issue.

Method used

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  • Optimal economic operation method for multi-energy microgrid containing temperature control equipment
  • Optimal economic operation method for multi-energy microgrid containing temperature control equipment
  • Optimal economic operation method for multi-energy microgrid containing temperature control equipment

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Embodiment Construction

[0024] In order to deepen the understanding of the present invention, the following detailed description is given in conjunction with the specific embodiments. The embodiments described in this specification are only used to explain the present invention, and are not used to limit the present invention.

[0025] The energy types in the multi-energy microgrid involved in the present invention include wind, light, electricity, heat and other energy forms, and this combination form can realize the complementarity between energy sources, improve the utilization rate of renewable energy, the flexibility of the system and the load reliability of supply. In the operation stage, the operation state of multi-energy microgrid can be divided into two types: grid-connected and isolated. The grid-connected microgrid is connected to the large grid through tie lines to realize the interactive transfer of energy, while the isolated microgrid only relies on its own system. The internal power s...

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Abstract

The invention relates to an optimal economic operation method for a multi-energy microgrid containing temperature control equipment. The optimal economic operation method comprises the following steps: S1, establishing a temperature control equipment model; S2, establishing an optimal economic operation model of the multi-energy microgrid containing the temperature control equipment; S3, setting element parameters in the microgrid, predicting new energy power generation power, an electrical load power curve and an external environment temperature, and setting a temperature control range of a thermal load; and S4, substituting the above parameters into the optimal economic operation model of the multi-energy microgrid containing the temperature control equipment, and solving the optimal economic operation cost in the model and output of each micro source, the temperature control equipment and stored energy in a scheduling period by adopting a particle swarm algorithm. The temperature control equipment and a temperature control thermal load are added into the micro-grid formed by wind power, photovoltaic, micro-gas turbines, electric energy (storage batteries) and the like, a thermalinertia effect of the temperature control thermal load is considered, and a multi-energy micro-grid optimal economic operation model containing the temperature control equipment is established.

Description

technical field [0001] The invention relates to an optimal operation method of a power system, in particular to an optimal economic operation method of a multi-energy microgrid including temperature control equipment. Background technique [0002] The multi-energy microgrid includes wind power and photovoltaics and other renewable energy power generation forms, and the fluctuation and uncontrollability of its output will have a certain impact on the operation of the microgrid. At the same time, the load forms in the multi-energy microgrid are also diverse. How to improve the consumption rate of new energy in the microgrid while meeting various load demands and realize the economic operation of the multi-energy microgrid is a major issue in the current power system. Hot Issues. [0003] The multi-energy microgrid can realize the production, dispatch, transmission, distribution and consumption of various energy forms. Taking the combined heat and power microgrid as an example...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00H02J3/38H02J3/46H02J3/32
CPCH02J3/32H02J3/381H02J3/003H02J3/004H02J3/466H02J2203/20H02J2300/24H02J2300/28H02J2300/40Y02E10/56Y02E10/76
Inventor 汪硕承舒展陈波程思萌陶翔李佳
Owner STATE GRID JIANGXI ELECTRIC POWER CO LTD RES INST
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