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Photovoltaic consumption-oriented water-fire-light combined optimization scheduling method

A technology of joint optimization and scheduling method, applied in the field of electrical information, can solve problems such as insufficient research on multi-source power compensation and insufficient compensation mode to fully absorb photovoltaics.

Active Publication Date: 2019-04-16
XIAN UNIV OF TECH
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  • Claims
  • Application Information

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Problems solved by technology

[0006]At present, most of the researches focus on water-light compensation or fire-light compensation, but with the increasing installed capacity of photovoltaics, a single compensation mode is not enough to fully absorb photovoltaics , and the current research on multi-source power compensation is not in-depth, how to better coordinate the water, fire and photovoltaic systems is still the focus and difficulty of large-scale photovoltaic grid connection

Method used

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  • Photovoltaic consumption-oriented water-fire-light combined optimization scheduling method
  • Photovoltaic consumption-oriented water-fire-light combined optimization scheduling method
  • Photovoltaic consumption-oriented water-fire-light combined optimization scheduling method

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Embodiment

[0144] Select 5 hydropower stations with good regulation performance in Qinghai, the upper reaches of the Yellow River, and combine thermal power and photovoltaics for complementary joint regulation. Select 2015 as a typical year for scheduling calculations, and select February 7, May 23, July 23, and October 20 as the anti-ice period, spring irrigation period, and flood season according to the principle of large photovoltaic output and more solar abandonment In the typical day of the autumn and autumn watering period, 1h is used as a scheduling period to establish a maximum photovoltaic consumption model for scheduling calculations. The total installed capacity of the province is 18432MW, the total installed capacity of hydropower is 11442MW, the total installed capacity of thermal power is 2382MW, and the total installed capacity of photovoltaic is 4289MW.

[0145] According to the specific calculation steps, the online process of each power supply on different typical days ...

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Abstract

The invention discloses a photovoltaic consumption-oriented water-fire-light combined optimization scheduling method. The method specifically comprises the following steps: establishing a constraint condition according to a water-fire optical joint debugging mode-based objective function and water-fire optical system attributes; integrating the objective function and constraint conditions to obtain a fitness function; and calculating to obtain hydroelectric power, photovoltaic power and thermal power based on the fitness function. According to the invention, the peak regulation potential of water and electricity can be fully exerted to consume photovoltaic, the peak regulation capability of thermal power is effectively utilized, the peak regulation potential of a water-fire system is fullyexerted, the photovoltaic consumption is improved, and the coordinated operation of the water-fire-light multi-source system is realized.

Description

technical field [0001] The invention belongs to the technical field of electrical information, and relates to a water-fire-light joint optimization scheduling method for photovoltaic consumption. Background technique [0002] With the increasingly serious problem of global warming and the excessive consumption of fossil energy, renewable energy has received widespread attention. By the end of 2016, China's cumulative installed capacity of photovoltaic power generation was 77.42 million kilowatts, and the annual power generation was 66.2 billion kwh, accounting for 1% of the total power generation. With the rapid development of photovoltaics, the large-scale integration of photovoltaics has also brought many difficulties to grid dispatching. Affected by factors such as weather, clouds, and temperature, the photovoltaic output process has the characteristics of randomness, intermittence, and volatility. The resulting uncertainty and anti-peaking characteristics have brought s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/04G06Q10/06G06Q50/06
CPCG06Q10/04G06Q10/0631G06Q50/06
Inventor 王义民田雨雨畅建霞王学斌杭朋磊
Owner XIAN UNIV OF TECH
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