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Photovoltaic capacity configuration method suitable for cascade water-light complementary energy power generation system

An energy generation, water-light complementary technology, applied in the direction of single-grid parallel feeding arrangement, etc., can solve problems such as failure to consider the hydraulic coupling relationship of cascade hydropower stations, and failure to consider the synergistic benefit of the joint output of cascade hydropower groups.

Active Publication Date: 2020-02-25
STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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Problems solved by technology

[0005] At present, the capacity allocation method for hydro-photovoltaic hybrid power generation systems is only applicable to conventional hydropower and photovoltaic complementary power generation systems, and fails to consider the hydraulic coupling relationship of cascade hydropower stations, so it cannot consider the synergistic benefits of the joint output of cascade hydropower groups

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  • Photovoltaic capacity configuration method suitable for cascade water-light complementary energy power generation system

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[0096] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, under the condition of not conflicting with each other, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0097] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from the scope of this description. Therefore, the protection scope of the present invention is not limited by the following disclosure. limitations of specific examples.

[0098] attached figure 1 It is a schematic diagram of the optimization calculation flow chart of the photovoltaic capacity allocation method suitable for the ca...

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Abstract

The invention discloses a photovoltaic capacity configuration method suitable for a cascade water-light complementary energy power generation system. The photovoltaic capacity configuration method comprises the steps: a peak load curve and a base load curve of a typical load of the power generation system is generated; a photovoltaic power generation output probability model based on k-means is established; based on the peak load curve, the base load curve and the photovoltaic power generation output probability model and through establishing an operation simulation model of the cascade water-light complementary energy power generation system, the power generation income of the complementary energy power generation system can be calculated; based on the calculated power generation income and through establishing an investment cost income of the complementary energy power generation system, the photovoltaic installed capacity with the maximum net income is selected as the optimal configuration capacity of the power generation system. Thus, configuration of photovoltaic capacity of a cascade hydropower energy base can be achieved, resource waste caused by excessive photovoltaic investment is avoided, and meanwhile the investment income of a cascade water-light complementary energy power generation system is maximized.

Description

technical field [0001] The invention relates to the technical field of planning and operation of a multi-energy complementary power generation system, in particular to a photovoltaic capacity configuration method suitable for a cascaded hydro-solar complementary energy power generation system. Background technique [0002] With the increasingly serious problems of energy shortage, global warming and ecological environment deterioration, it has become a global consensus to seek more low-carbon, clean, safe and economical sustainable green energy. my country is both a big energy consumer and a big carbon emitter. It is an inevitable trend of my country's energy development to vigorously develop renewable energy such as wind, light, and water, and to accelerate clean and low-carbon power energy transformation. By the end of 2020, my country's hydropower and solar power grid-connected installed capacity will reach 340 million kilowatts and 110 million kilowatts, respectively. ...

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Application Information

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IPC IPC(8): H02J3/46
CPCH02J3/46Y02E10/56
Inventor 王永灿王亮苗树敏滕予非丁理杰刘畅陈刚
Owner STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST
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