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Power grid accident pre-judgment method and system based on stability control strategy table

A power grid system and power grid accident technology, applied in the integration of power network operating system, power transmission AC network, information technology support system, etc., can solve the problem that the security control strategy cannot be checked online, and achieve the effect of ensuring stable and reliable operation

Pending Publication Date: 2021-11-09
武汉华飞智能电气科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In view of this, the embodiment of the present invention provides a power grid accident prediction method and system based on the stability control strategy table to solve the problem that the system protection and safety control strategy cannot be checked online

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  • Power grid accident pre-judgment method and system based on stability control strategy table
  • Power grid accident pre-judgment method and system based on stability control strategy table
  • Power grid accident pre-judgment method and system based on stability control strategy table

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Embodiment Construction

[0021] In order to make the purpose, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the following 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 creative work belong to the protection scope of the present invention. The principles and features of the present invention will be described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention, not to limit the scope of the present invention.

[0022] The term "comprising" and other expressions with similar meanings in the description or claims of the p...

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PUM

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Abstract

The invention provides a power grid accident pre-judgment method and system based on a stability control strategy table. The method comprises the steps of analyzing a regional power grid system protection stability control strategy table, and constructing a corresponding power grid system protection device model; generating a simulated fault based on a fault set in the power grid system and the real-time power grid data; and according to information of the simulated fault, the operation mode before the power grid accident and the tidal current size of the power transmission section, looking up the stability control strategy table, and pre-judging control measures and control quantity which should be taken. Through the scheme, online checking of a system protection stability control strategy, power system accident pre-judgment and switchable resource judgment can be realized, and stable and reliable operation of the power grid system is guaranteed.

Description

technical field [0001] The invention relates to the technical field of power system safety, in particular to a method and system for predicting power grid accidents based on a stability control strategy table. Background technique [0002] The stability control device detects the operating conditions of the power plant or substation, main transformer (or unit), and sends the equipment status of the station to the relevant station. Input and shutdown information, automatically identify the current operating mode of the power grid, and judge the fault types of the current plant outlets, main transformers, and busbars. mode and the power flow of the main power transmission section, search the control strategy table stored in the device in advance through off-line analysis, and determine the control measures and control quantities that should be taken, such as machine cut, load shed, DC power modulation, fast reduction Unit output, etc., to ensure the normal operation of the po...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/06H02J3/46H02J3/14H02J3/36H02H7/22
CPCH02J3/06H02J3/466H02J3/144H02J3/36H02H7/22Y02E60/60Y02B70/3225Y04S20/222
Inventor 周良松姚占东陈宁锋吕伟郑明杰
Owner 武汉华飞智能电气科技有限公司
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