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Source-load cooperative scheduling method and device under wind power uncertainty

A collaborative scheduling and uncertainty technology, applied in the direction of circuit devices, wind power generation, resources, etc., can solve the problems of not being able to adapt to wind power fluctuations in time, exacerbating wind power randomness and volatility, etc., to stabilize wind power fluctuations and ensure safety and stability Operation and total cost reduction effect

Pending Publication Date: 2022-07-08
GUANGDONG POWER GRID CO LTD +1
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Problems solved by technology

However, large-scale wind power grid integration also intensifies the impact of wind power randomness and volatility, and puts forward new requirements for the security and stability of the power grid.
Traditional thermal power units may not be able to adapt to the impact of wind power fluctuations in a timely manner due to many operating requirements such as output limitations and slope restrictions. However, flexible demand-side resources can coordinate with thermal power units to jointly stabilize wind power fluctuations and ensure power system safe and reliable operation

Method used

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  • Source-load cooperative scheduling method and device under wind power uncertainty
  • Source-load cooperative scheduling method and device under wind power uncertainty
  • Source-load cooperative scheduling method and device under wind power uncertainty

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Embodiment Construction

[0074] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0075] like figure 1 As shown, an embodiment of the present invention provides a source-load coordinated scheduling method under wind power uncertainty, which at least includes the following steps:

[0076] Step S101: Acquire basic data of the power system; wherein, the basic data includes: thermal power unit power data, wind turbine power source data, system line data, system load data and price compensation data; the price compensa...

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Abstract

The invention discloses a source load cooperative scheduling method and device under wind power uncertainty, and the method comprises the steps: constructing a source load cooperative scheduling model based on basic data of a power system, and a day-ahead scheduling stage constraint, an intra-day scheduling stage constraint and an association constraint corresponding to the model; solving the model under the constraint conditions to generate the starting mode of the thermal power generating unit, the output of the thermal power generating unit, the standby capacity of the thermal power generating unit, the power of the aluminum electrolysis cell and the standby capacity of the aluminum electrolysis cell when the total operation cost of the day-ahead dispatching stage and the intra-day dispatching stage is minimum; and finally, carrying out source-load collaborative scheduling according to the starting mode of the thermal power generating unit, the output of the thermal power generating unit, the standby capacity of the thermal power generating unit, the power of the aluminum electrolysis cell and the standby capacity of the aluminum electrolysis cell.

Description

technical field [0001] The invention relates to the technical field of power system scheduling, in particular to a source-load coordinated scheduling method and device under wind power uncertainty. Background technique [0002] On the power generation side, renewable energy such as wind power and photovoltaics will gradually replace traditional fossil energy. However, the large-scale integration of wind power into the grid also aggravates the randomness and volatility of wind power, which puts forward new requirements for the security and stability of the power grid. Traditional thermal power units may not be able to adapt to the impact of wind power fluctuations in time due to many operating requirements such as output restrictions and climbing restrictions, while flexible demand-side resources can be coordinated with thermal power units to jointly stabilize wind power fluctuations and ensure the power system. Safe and reliable operation. [0003] Electrolytic aluminum is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06Q10/06G06Q10/04G06Q50/06H02J3/00H02J3/46H02J3/48
CPCG06Q10/06312G06Q10/04G06Q50/06H02J3/0075H02J3/008H02J3/466H02J3/48H02J2203/10H02J2300/28Y02E10/76
Inventor 苏卓王可刘嘉宁林斌杜斌王成龙
Owner GUANGDONG POWER GRID CO LTD
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