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Renewable energy resource complementarity evaluation method and renewable energy resource complementarity evaluation system

A renewable energy, complementary technology, applied in the direction of resources, data processing applications, instruments, etc., can solve the problems of instability and large fluctuations in the output of renewable energy, and achieve the effect of enhanced stability and reduced volatility

Pending Publication Date: 2020-12-18
CHINA ELECTRIC POWER RES INST +1
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Problems solved by technology

[0004] In view of the lack of relevant evaluation methods for quantitatively evaluating the complementarity of renewable energy space resources at present, and the obvious problems of large fluctuations and instability of renewable energy output, the present invention provides an evaluation of the complementarity between renewable energy resources methods, including:

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  • Renewable energy resource complementarity evaluation method and renewable energy resource complementarity evaluation system

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Embodiment 1

[0044] The invention provides a method for evaluating the complementarity between renewable energy resources, which converts wind and light resources into corresponding electric power, and realizes the evaluation of resource complementarity by using wind power and photovoltaics. figure 1 The flow chart of the method is introduced, including:

[0045] Step 1: Calculate the average output of various renewable energy sources at preset times based on the type of renewable energy, the output of renewable energy at preset times, and the power-on capacity of renewable energy at preset times;

[0046] Step 2: Based on the average value of output of various renewable energy sources at preset times and the actual output of each renewable energy source, respectively calculate the deviation value of the relative average value of the output of each renewable energy source;

[0047] Step 3: Complementary processing is performed on the deviation value of the output of each renewable energy s...

Embodiment 2

[0075] Based on the same idea, the present invention provides a complementarity evaluation system among renewable energy resources, combining figure 2 The system structure diagram is introduced, including: output average calculation module, deviation value calculation module and complementary evaluation module;

[0076] The average output calculation module is used to calculate the average output of various renewable energy sources at preset times based on the type of renewable energy, the output of renewable energy at preset times, and the power-on capacity of renewable energy at preset times;

[0077] The deviation value calculation module is used to calculate and obtain the deviation value of the relative mean value of the output of each renewable energy based on the average output of the various renewable energy sources at a preset time and the actual output of each renewable energy;

[0078] The complementary evaluation module is configured to perform complementary proce...

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Abstract

The invention provides a renewable energy resource complementarity evaluation method. The renewable energy resource complementarity evaluation method comprises the steps of calculating a preset momentoutput mean value of various renewable energy sources based on types of the renewable energy sources, preset moment output of the renewable energy sources and preset moment startup capacity of the renewable energy sources; based on the output mean value of each renewable energy source at the preset moment and the actual output of each renewable energy source, respectively calculating to obtain adeviation value of the output relative mean value of each renewable energy source; and performing complementary processing on the deviation value of the output relative mean value of each renewable energy source, performing complementarity evaluation on the complementary processing, and realizing evaluation of resource complementarity by utilizing wind power, photovoltaics and the like.

Description

technical field [0001] The invention belongs to the field of renewable energy, and relates to a method and system for evaluating complementarity among renewable energy resources. Background technique [0002] A power system with a high proportion of renewable energy is a power system in which renewable energy dominates and will be the main form of the future power system. Among them, wind power and photovoltaics are the main components of renewable energy. At the current level of human cognition, wind power and photovoltaics present random fluctuations, which fundamentally changes the supply-demand balance method of a high-proportion renewable energy power system. Using the complementarity presented by renewable energy resources in a large space to smooth the fluctuation of the power supply curve is an important part of constructing a high-proportion renewable energy power system supply-demand balance theory. [0003] At present, there is a lack of relevant evaluation metho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q50/06
CPCG06Q10/0639G06Q50/06Y02P90/82
Inventor 王铮王伟胜冯双磊王勃刘纯赵艳青姜文玲裴岩胡菊靳双龙宋宗朋王姝车建峰张菲汪步惟王钊
Owner CHINA ELECTRIC POWER RES INST
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