Power grid adaptive emergency control method based on on-line parameter identification

An emergency control and self-adaptive technology, applied to electrical components, circuit devices, AC network circuits, etc., can solve problems such as lack of unified coordinated control of the power grid, lack of online risk management and control methods, power outages, etc.

Inactive Publication Date: 2015-10-14
HANGZHOU WR POWER TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The investigation and analysis after each accident shows that the causes may be different, but the common feature is that due to the lack of unified coordination and control after the large-scale interconnection of the power grid, and the lack of online risk management and control methods, local small power grid accidents continue to spread. and eventually lead to widespread power outages

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  • Power grid adaptive emergency control method based on on-line parameter identification

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Embodiment Construction

[0011] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0012] In order to enable those skilled in the art to understand and implement the present invention, the embodiments of the present invention are now described with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present application, rather than all of them. Based on the embodiments of the present application, those skilled in the art can obtain all other embodiments without creative work. ...

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Abstract

The invention provides a power grid adaptive emergency control method based on on-line parameter identification. The method relates to a fault diagnosis analytical model based on chance constrained programming, a fault diagnosis technology considering electric quantity information, voltage security and stability adaptive emergency control based on synchronous measurement information, and a low-frequency low-voltage load reduction amount on-line tuning technology based on a massively parallel processing platform. The invention provides a chance constrained programming model and method for power system fault diagnosis, achieves on-line application functions, and solves problems that the conventional method has a poor capability of processing uncertain factors and is low in fault tolerance.

Description

technical field [0001] The invention relates to the technical field of power grid risk assessment, and more specifically, relates to an online identification grid self-adaptive emergency control method. Background technique [0002] my country's power grid is in a period of rapid development. With the continuous advancement of the "Sanhua" UHV strategy, a nationwide AC-DC hybrid power grid will be formed in the near future. The continuous expansion of the scale of the power system, while bringing significant economic and social benefits, also brings great hidden dangers to the safe and reliable operation of the system, and the risk of large-scale power outages caused by local accidents continues to increase. In recent years, various large-scale power outages have occurred many times at home and abroad, such as the "8.14" blackout in North America in 2003, which brought catastrophic consequences to North America. The load loss was 61.8 million kilowatts, and the power outage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/00
Inventor 蒋雪冬丁颖李晓波
Owner HANGZHOU WR POWER TECH CO LTD
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