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Energy storage investment planning method for multi-energy power generation system

A power generation system and multi-energy technology, applied in the direction of energy storage, system integration technology, information technology support system, etc., to achieve the effect of ensuring effectiveness, ensuring economy and feasibility

Pending Publication Date: 2021-08-13
STATE GRID CHONGQING ELECTRIC POWER +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention solves the problem of energy storage investment planning in multi-energy power generation systems under the background of energy Internet, and provides an energy storage investment planning method for multi-energy power generation systems based on double-layer optimization and robust optimization theory

Method used

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  • Energy storage investment planning method for multi-energy power generation system
  • Energy storage investment planning method for multi-energy power generation system
  • Energy storage investment planning method for multi-energy power generation system

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Embodiment Construction

[0020] The present invention is directed to the coupling of energy storage investment planning in planning and operational phases, and counts the uncertainty of renewable energy power generation in operational phases, ensuring optimizing the effectiveness of the feasible interval. At the same time, the present invention is based on the equivalent full cycle of the energy storage and discharge, considering the economic and feasibility of energy storage investment capacity, ensuring energy storage investment planning decisions; the method of multivariate power generation system is constructed The energy storage investment planning model is finally converted into a double-layer mixed integer linear planning model, which can be adjusted to solve the efficient business solver. figure 1 The energy storage investment planning method for multi-energy power generation systems is shown, which includes the following steps:

[0021] Step 1, obtain the regular unit running parameters, construc...

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Abstract

The invention discloses an energy storage investment planning method for a multi-energy power generation system, which aims at the coupling of an energy storage investment planning problem in planning and operation stages, considers the uncertainty of renewable energy power generation power in the operation stage, and ensures the effectiveness of an optimal solution in a feasible interval. Meanwhile, based on an equivalent full cycle index model of energy storage charging and discharging, the energy storage investment capability constraint is considered, and the economical efficiency and feasibility of an energy storage investment planning decision are ensured. The energy storage investment planning model for the multi-energy power generation system, which is constructed by the method, is finally converted into a double-layer mixed integer linear planning model, and an efficient commercial solver can be called for direct solving.

Description

Technical field [0001] The present invention relates to the investment, planning and operation of a power system, in particular, involving energy storage investment planning methods for multivariable power generation systems. Background technique [0002] Under the background of energy internet, the renewable energy generated by hydropower, wind power, and photovoltaic is continuously improved in the power system, and multivariate power generation has become an important feature of energy network energy supply. However, the uncertainty of wind power and photovoltaic power generation also has a huge challenge to the planning and operation of the traditional power system. Advanced energy storage technology is the key to supporting wind power, large-scale access and implementation of power systems. Electrochemical reservoirs represented by lithium-ion batteries have the advantages of high efficiency, high energy density and high power density, and have been widely used in the field ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F30/20G06Q10/04G06Q10/06G06Q50/06H02J3/32H02J3/38G06F111/04G06F111/10G06F113/06
CPCG06F30/20G06Q10/04G06Q10/06315G06Q10/0637G06Q10/067G06Q50/06H02J3/32H02J3/38G06F2111/04G06F2111/10G06F2113/06H02J2203/20H02J2300/22H02J2300/28Y04S10/50Y02E70/30Y02E40/70
Inventor 周倩王皓宇朱元蒋川牟凡邓芳金宵夏沛张晓星张哲亮
Owner STATE GRID CHONGQING ELECTRIC POWER
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