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Sensitivity check result display method based on geographical wiring diagram

A technology for geographic wiring diagrams and checking results, which is applied in the fields of electrical digital data processing, special data processing applications, instruments, etc. Problems such as graphical display methods of results to achieve the effect of efficient display

Inactive Publication Date: 2013-03-27
NORTH CHINA GRID +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The above-mentioned documents all propose to check the sensitivity of the protection setting value, but none of the currently published documents involve the graphical display method of the sensitivity checking result of the protection setting value, let alone the intuitiveness of the sensitivity checking result based on the geographic wiring diagram. display method

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  • Sensitivity check result display method based on geographical wiring diagram

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Embodiment Construction

[0023] The implementation process of the present invention will be described in detail below in conjunction with the accompanying drawings,

[0024] Such as figure 1 As shown, the present invention provides a method for displaying sensitivity check results based on geographic wiring diagrams, comprising the following steps:

[0025] (1) Obtain the result of checking the sensitivity of the protection setting value

[0026] Obtain the calculation results of line, transformer, and busbar protection setting sensitivity checks from the relay protection setting online checking system, including the station to which the relay protection belongs, calculation time, fault form, protection device, setting type, and sensitivity calculation value and check calculation result information. When obtaining the calculation result of sensitivity check from the relay protection fixed value online check system, you can directly read the corresponding table in the database of the relay protection...

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Abstract

The invention discloses a sensitivity check result display method based on a geographical wiring diagram. The method includes the steps that protection constant value sensitivity check calculation results of lines, transformers and buses in a power grid are obtained from a relay protection constant value online checking system; factory stations on the geographical wiring diagram of the power grid are searched, protection constant value sensitivity data is related to corresponding factory stations on the geographical wiring diagram of the power grid according to factory station names, and a data display program for popping up a suspension window by moving a mouse is arranged; the protection constant value sensitivity of the factory stations is graded and colored according to grades; plate hanging alarming is conducted under the condition that the protection constant value sensitivity does not meet a relay protection operation setting regulation requirement, alarming is divided into two grades according to subnormal degrees of sensitivity, and alarming plates are arranged near corresponding factory station icons. When the mouse is moved the alarming plates, the suspension window is popped up to display alarming detailed information. By means of the method, the sensitivity check results of an online checking system of the relay protection constant value can be displayed on the geographical diagram so as to be convenient for operation staff to read.

Description

technical field [0001] The invention belongs to the field of electric power system relay protection, in particular to a graphical display method for checking results of fixed value sensitivity of electric power system relay protection. Background technique [0002] The sensitivity of relay protection refers to the ability of relay protection to operate reliably for faults and abnormal states that require action according to design regulations. The ratio of the fault quantity fed into the relay protection device in the event of a fault to the device's starting setting or action setting is called the sensitivity of the relay protection (also known as the sensitivity coefficient). The sensitivity of the protective device is the ratio of the short-circuit calculation value to the protection setting value if it increases in response to a fault; if it decreases in response to a fault, the sensitivity is the ratio of the protection setting value to the short-circuit calculation val...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H7/00G06F17/30
Inventor 杨慧敏徐彭亮毕兆东王宁夏彦辉杜鹃高旭俞秋阳刘一民刘蔚周季峰
Owner NORTH CHINA GRID