A Method for Demand Analysis of Photovoltaic Regulation Capacity Based on Graphical Analysis
A technology of demand analysis and adjustment ability, applied in the field of peak regulation, can solve problems such as non-compliance with environmental protection, waste of light resources, etc., and achieve good results and scientific and reasonable methods
Active Publication Date: 2022-08-09
NORTHEAST DIANLI UNIVERSITY
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Problems solved by technology
It is naturally feasible to use traditional power sources to supplement power generation when photovoltaic power cannot be generated, but this cannot really solve the problems faced by photovoltaic power generation, and will also cause a lot of waste of light resources, and consume more non-renewable resources at the same time, which is not environmentally friendly. requirements
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[0102] In order to facilitate the understanding and implementation of the present invention by those of ordinary skill in the art, the present invention will be further described in detail below in conjunction with the specific embodiments. The following examples are used to illustrate the present invention, but it should be understood that the protection scope of the present invention is not limited by the specific embodiments. limit.
[0103] refer to Figure 1-Figure 4 , a method for analyzing the demand for photovoltaic adjustment capability based on a graph analysis method of the present invention includes the following contents:
[0104] 1. Photovoltaic system model
[0105] PV model with P PV,day (t) represents, where t is time, and the daily PV varies with time.
[0106] Then the total electricity produced by photovoltaics per day is:
[0107]
[0108] where t start,day is the starting time of daily effective PV output, t end,day The end time of the daily effe...
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The present invention is a method for analyzing the demand of photovoltaic regulation capacity based on the graph analysis method, which is characterized in that the content includes: establishing a photovoltaic system model, establishing a traditional unit model, establishing a load model, determining an evaluation index, and analyzing the demand for regulation capacity. and evaluation of reasonableness. This method can be used to evaluate whether the photovoltaic capacity of the system configuration in a given area and a given load is reasonable and correct, and provide guidance for the construction of the peak shaving capacity of the photovoltaic storage power station. It has the advantages of scientific and reasonable method, applicability and good effect.
Description
technical field [0001] The invention belongs to the field of peak regulation, and in particular relates to a method for analyzing demand for photovoltaic regulation capability based on a graph analysis method. Background technique [0002] Due to the volatility and intermittency of photovoltaic power generation, the output of photovoltaic system will be unstable, and photovoltaic power generation is seriously affected by light resources. The characteristics of photovoltaic output will cause problems such as serious light rejection and difficulty in grid connection, so it is necessary to seek other solutions. [0003] The solution to the inherent problems of photovoltaic systems can be solved by coordinating power generation between photovoltaic systems and other traditional units, such as photovoltaic and thermal power units or hydroelectric units. solve this problem. [0004] The main problem faced by photovoltaic power generation is actually that the time series of photo...
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IPC IPC(8): H02J3/38H02J3/46H02J3/00
CPCH02J3/381H02J3/46H02J3/004H02J2300/24H02J2203/20H02J2203/10Y02E10/56
Inventor 穆钢李军徽刘洪波王艺茗张哲深李翠萍朱星旭严干贵
Owner NORTHEAST DIANLI UNIVERSITY