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A method and system for evaluating power system flexibility requirements

A power system and flexibility technology, applied in the field of assessment of power system flexibility needs, can solve the problems of inaccurate and incomplete assessment results, and achieve the effect that is conducive to safe operation

Active Publication Date: 2022-07-22
YUNNAN POWER GRID
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  • Claims
  • Application Information

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Problems solved by technology

[0004] This application provides a method and system for assessing flexibility requirements of power systems to solve the technical problem of inaccurate and incomplete assessment results of flexibility requirements for power systems including wind power in the prior art

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  • A method and system for evaluating power system flexibility requirements
  • A method and system for evaluating power system flexibility requirements
  • A method and system for evaluating power system flexibility requirements

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Embodiment Construction

[0064] In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present application.

[0065] see figure 1 , which is a schematic flowchart of a method for evaluating a flexibility requirement of a power system provided by an embodiment of the present invention. combine figure 1 As shown, the evaluation method for the flexibility requirement of the power system provided by this application include...

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Abstract

The present application discloses a method and system for evaluating the flexibility requirement of a power system, including: respectively acquiring index data values ​​on the power source side and load side in the power system; calculating and storing the flexibility requirement on the power source side according to the index data values ​​on the power source side Evaluation index: Calculate and store the load-side flexibility demand evaluation index according to the index data value on the load side; evaluate the power-side flexibility demand level according to the power-side flexibility demand evaluation index, and obtain the power-side flexibility demand evaluation result, the same as to calculate the load-side flexibility demand assessment results. This application evaluates the flexibility requirements of the power system from the power supply side and the load side, taking into account factors such as wind power output fluctuation, wind power forecast error, load output fluctuation, load forecast error, etc., to achieve a comprehensive and comprehensive assessment of the flexibility requirements of the power system including wind power , providing an important basis for the power system to match the corresponding flexible resources, which is conducive to the safe operation of the power system.

Description

technical field [0001] The present application relates to the technical field of power systems, and in particular, to a method and system for evaluating flexibility requirements of a power system. Background technique [0002] Under the reform of electricity marketization, large-scale renewable energy is growing rapidly, and more and more are connected to the future power system. Wind power will become one of the important pillars of power supply. At the same time, due to the inherent volatility and randomness of wind power, conventional units are adjusted more frequently, even starting and stopping, and the adjustment depth is also greatly increased, which brings great challenges to the safe operation of the power system. The flexibility demand assessment of large-scale wind power power systems is of great significance for power system matching corresponding flexibility resources and safe and stable operation. [0003] At present, the flexibility demand assessment of a pow...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J3/00H02J3/38G06Q10/06G06Q50/06
CPCH02J3/386H02J3/00G06Q10/0639G06Q50/06H02J3/003H02J2203/20Y04S10/50
Inventor 刘宝林车泉辉张苏彭元杨印浩冯磊马龙飞程军照
Owner YUNNAN POWER GRID
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