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Isolating switch state distributed monitoring method and system and medium

A distributed monitoring and isolation switch technology, applied in character and pattern recognition, instruments, computing models, etc., can solve problems such as failure to appear, and achieve the effects of avoiding repeated installation, low implementation cost, and convenient and quick deployment.

Pending Publication Date: 2020-05-26
STATE GRID HUNAN ELECTRIC POWER +3
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the joint monitoring of the operating status of so many isolating switches, there is still no good means

Method used

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  • Isolating switch state distributed monitoring method and system and medium
  • Isolating switch state distributed monitoring method and system and medium
  • Isolating switch state distributed monitoring method and system and medium

Examples

Experimental program
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Embodiment Construction

[0048] Such as figure 1 As shown, the implementation steps of the distributed monitoring method for the isolating switch state of this embodiment include:

[0049] 1) Obtain the isolating switch image of the target isolating switch;

[0050] 2) Obtain the angle α between the two arms of the disconnector through image analysis;

[0051] 3) Compare the included angle α with the calibrated value of the included angle in closing and opening states to determine the target isolating switch state.

[0052] Such as figure 2 As shown, step 2) The detailed steps of obtaining the angle α between the two arms of the disconnector through image analysis include:

[0053] 2.1) Identify the marking points on the two arms of the isolating switch in the isolating switch image and calculate the coordinates of the marking points; the marking points are pre-marked on the two arms of the isolating switch, and can be used in circles or other shapes as required, and the color contrast is large g...

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Abstract

The invention discloses an isolation switch state distributed monitoring method and system and a medium. The monitoring method comprises the implementation steps; acquiring an isolation switch image of a target isolation switch; acquiring an included angle alpha between the two arms of the isolating switch through image analysis; and comparing the included angle alpha with closing and opening state included angle calibration values to determine the state of the target isolation switch. The system is a system corresponding to the monitoring method and a physical device for implementing the monitoring method, and a computer program programmed or configured to execute the monitoring method is stored on a medium. The method can achieve the distributed monitoring of the state of an isolation switch, improves the monitoring efficiency of the operation state of the isolation switch of a transformer substation, can accurately monitor the switching-on and switching-off states of a target isolation switch, is accurate and reliable in detection, high in detection speed, low in implementation cost and convenient and quick in deployment.

Description

technical field [0001] The invention relates to electric power measurement technology, in particular to a method, system and medium for distributed monitoring of the state of an isolating switch. Background technique [0002] The isolating switch is the core equipment of the substation. Its function is to ensure the safety of high-voltage electrical appliances and devices during maintenance work, and to isolate the voltage. In the maintenance process of substation equipment, it is necessary to move the isolating switch to the designated position to realize the opening and closing of the circuit. Therefore, whether the isolating switch moves in place directly determines whether the line can operate normally. Considering that the line voltage of the substation can reach hundreds of kilovolts, and the maximum current can reach tens of kiloamperes, if the isolation switch does not move properly, it will cause great damage to the equipment, not only will lead to great economic lo...

Claims

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Application Information

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IPC IPC(8): G06K9/00G06K9/62G06N20/00
CPCG06N20/00G06V20/20G06F18/214
Inventor 袁培王舶仲毛文奇刘赟叶会生蒋毅舟李喜桂邹英翔黄明玮熊旋易进周辉陈功肖致远
Owner STATE GRID HUNAN ELECTRIC POWER
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