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Subway power supply analysis protection device based on octopus algorithm

A power analysis and protection device technology, applied in the direction of power testing, etc., can solve problems such as inapplicable multi-data processing, network congestion, power quality analysis privacy is difficult to be guaranteed, etc., to improve accuracy, reduce failure rate, and improve intelligence degree of effect

Pending Publication Date: 2021-11-09
青岛地铁运营有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Power quality analysis is a common work, but the conventional computing model is not suitable for multi-data processing, because the transmission of a large amount of data in power quality analysis may cause network congestion, and the privacy of power quality analysis is difficult to be guaranteed

Method used

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  • Subway power supply analysis protection device based on octopus algorithm
  • Subway power supply analysis protection device based on octopus algorithm
  • Subway power supply analysis protection device based on octopus algorithm

Examples

Experimental program
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Effect test

Embodiment 1

[0036] Such as figure 1 As shown, the hardware part of the subway power analysis and protection device based on the octopus algorithm of the present invention includes a general controller, several sub-controllers, several voltage transformers and several current transformers. The main controller and each self-control are equipped with microcomputer chips, and the microcomputer chips are preset with "octopus algorithm". The main controller is used to analyze the quality of each power supply, and each sub-controller is installed near each power supply, and is used to collect the output signals of each voltage transformer and current transformer to calculate voltage and current parameters.

[0037] Each sub-controller is electrically connected to three voltage transformers, and the voltage transformer sends parameters such as voltage, voltage phase, and voltage change rate to the sub-controller; each sub-controller is also electrically connected to three current transformers, an...

Embodiment 2

[0040] On the basis of embodiment 1, run the octopus algorithm for the analysis and protection of subway power supply, specifically comprising the following steps:

[0041] The master controller and each sub-controller perform initialization operations first;

[0042] Step S1: the sub-controller collects output signals: the sub-controller collects the output signals of the voltage transformers and current transformers of the electrical U phase, V phase, and W phase of each circuit;

[0043] Voltage transformer U iU , U iV and U iW Both are electrically connected with sub-controller i, and send parameters such as voltage, voltage change rate and voltage phase change rate to controller i; current transformer I iU , I iV and I iW Both are electrically connected with controller i, and send parameters such as current, current change rate and current phase change rate to controller i;

[0044] Step S2: The sub-controller calculates various parameters: the sub-controller calcul...

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Abstract

The invention relates to the technical field of vehicle power supply protection, and discloses a subway power supply analysis and protection device based on an octopus algorithm, and the device comprises a sub-controller which is used for collecting the output signals of all paths of voltage transformers and current transformers, and calculating the parameters of voltage and current; and a master controller, used for receiving the parameters sent by the sub-controllers and judging whether the parameters are normal or not. The master controller and the sub-controllers are internally provided with octopus algorithms for power supply analysis and protection. The octopus algorithms specifically comprise the following steps: S1, the sub-controllers collecting output signals; S2, calculating various parameters by the sub-controller; S3, the sub-controller sending the numerical value in the step S2 to a master controller; and S4, judging whether each parameter is normal or not by the master controller. The intelligent degree is high, and the speed and quality of subway power supply monitoring are greatly improved.

Description

technical field [0001] The invention relates to a subway power analysis and protection device based on an octopus algorithm, and belongs to the technical field of vehicle power protection. Background technique [0002] The quality of subway power supply is occasionally unstable. In order to protect the load and power supply of the subway power supply, it is necessary to monitor the main power supply parameters such as output and input voltage, current, phase, voltage change rate, current change rate and phase change rate. Power quality analysis is a common task, but conventional computing models are not suitable for multi-data processing, because the transmission of large amounts of data in power quality analysis may cause network congestion, and the privacy of power quality analysis is difficult to guarantee. Therefore, it is necessary to design a stable and fast device for analyzing and protecting the subway power supply. Contents of the invention [0003] Aiming at the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01R31/40
CPCG01R31/40
Inventor 邓举明魏松逄顺勇刘涛刘慧珠于广明牛亚雯袁苏青王培文王鲁民
Owner 青岛地铁运营有限公司
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