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Station-level photovoltaic tilt angle optimizing method considering economic factors

An optimization method and factor technology, applied in the field of new energy power generation planning, can solve problems such as inappropriateness, slow speed of finding the optimal solution, and affecting the economic benefits of photovoltaic power generation systems

Active Publication Date: 2017-12-15
HOHAI UNIV
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Problems solved by technology

In practical engineering applications, domestic solar energy workers often determine the inclination angle of photovoltaic panels based on experience, which is obviously inappropriate and directly affects the economic benefits brought by photovoltaic power generation systems
Considering economic factors, for solving the objective function, traditional methods, such as the traversal method, are relatively slow in finding the optimal solution under a relatively complex mathematical model

Method used

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  • Station-level photovoltaic tilt angle optimizing method considering economic factors
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  • Station-level photovoltaic tilt angle optimizing method considering economic factors

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Embodiment Construction

[0084] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0085] A power station-level photovoltaic inclination optimization method considering economic factors of the present invention comprises the following steps:

[0086] 1) Determine the relevant basic parameters for the design of photovoltaic power plants;

[0087] 2) Clarify the construction scale of the photovoltaic power station and establish the capacity model of the power station;

[0088] 3) Establish the economic model of the photovoltaic power station;

[0089] 4) Calculate unit cost electricity price (LCOE) based on capacity model and economic model;

[0090] 5) The genetic algorithm is used to realize the calculation of the optimization model for the photovoltaic power station with the lowest unit cost electricity price as the optimizat...

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Abstract

The invention discloses a station-level photovoltaic tilt angle optimizing method considering economic factors. The method includes the following steps of firstly, determining basic information parameters of a photovoltaic power station; secondly, clearly determining the establishment scale of the photovoltaic power station, and establishing a photovoltaic power station productivity model; thirdly, establishing an economic model of the photovoltaic power station; fourthly, calculating the unit cost electrovalence LCOE on the basis of the photovoltaic power station productivity model in the second step and the economic model in the third step; fifthly, obtaining an optimizing model of the photovoltaic power station by means of a genetic algorithm with the minimum unit cost electrovalence as the optimizing target to obtain the tilt angle, namely the optimal tilt angle, of a photovoltaic array at the minimum unit cost electrovalence. By means of the method, a photovoltaic panel is free of shadow shield in most of sunshine period everyday all year round, and the economic benefits brought by a photovoltaic power generation system are improved.

Description

technical field [0001] The invention belongs to the technical field of new energy power generation planning, fully considers the economic factors of photovoltaic power plants, studies the optimization problem of photovoltaic inclination at the power station level, and proposes a photovoltaic inclination optimization method at the power station level considering economic factors. Background technique [0002] In today's world, with the improvement of people's awareness of energy saving and environmental protection, new energy power generation has gradually become a research hotspot. Photovoltaic power generation occupies an important position in the power supply at home and abroad due to its cleanliness and richness of solar energy resources. During the planning and design of photovoltaic power generation systems, if shadows appear on photovoltaic cells, it may lead to deterioration of battery characteristics, reduced energy output capacity, and even the formation of a heat i...

Claims

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Application Information

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IPC IPC(8): H02S10/00G06N3/12
CPCG06N3/126H02S10/00Y02E10/50
Inventor 臧海祥王苗苗郭勉江钧卫志农孙国强朱瑛
Owner HOHAI UNIV
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