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Power Grid Fault Auxiliary Analysis System

A technology for auxiliary analysis and power grid faults, applied in the field of power system, can solve the problems of single function, high maintenance work intensity, unable to meet the needs of maintenance personnel for auxiliary analysis of power grid faults, etc., to achieve the effect of improving efficiency

Active Publication Date: 2018-06-19
SHANGHAI HEKAI ELECTRICAL TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Automatic detection of faults in the power grid effectively solves the problem of high maintenance work intensity caused by manual detection of power grid faults in the prior art
However, its single function cannot meet the needs of maintenance personnel for auxiliary analysis of power grid faults

Method used

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  • Power Grid Fault Auxiliary Analysis System

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Embodiment Construction

[0016] In order to make it easy to understand the technical means, creative features, objectives and effects achieved by the present invention, the present invention will be further explained below in conjunction with specific drawings.

[0017] Such as figure 1 As shown, a power grid fault auxiliary analysis system includes a main control module connected with a multi-channel voltage input module, a multi-channel current input module, a multi-channel switch input module, a large-capacity storage module, and a man-machine Interface, external communication module and power grid fault auxiliary analysis system knowledge base; real-time display of three-phase voltage, three-phase current waveform, effective value, period, frequency, real-time display of single-phase or three-phase reactive power, active power, apparent power value ; Select 1-8 AC quantities from all the AC analog channels to display its phasor diagram, fixed with the first phasor phase as the reference (phase is 0),...

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Abstract

A power grid fault auxiliary analysis system, including a main control module, the main control module is connected to a multi-channel voltage input module, a multi-channel current input module, a multi-channel switch value input module, a large-capacity storage module, a man-machine interface, an external Communication module and grid fault auxiliary analysis system knowledge base; real-time display of three-phase voltage, three-phase current waveform, effective value, cycle, frequency, real-time display of single-phase or three-phase reactive power, active power, and apparent power value; from all Randomly select 1 to 8 AC quantities in the AC analog channel to display their phasor diagrams. The phase of the first phasor is fixed as the reference, and the other phasors are drawn according to the phase relative to the reference phasor, and Display the effective value and phase angle of the phasor. According to the three-phase voltage or three-phase current, the positive sequence, negative sequence, zero sequence effective value and phase angle can be displayed in real time, and it has two harmonic analysis methods.

Description

Technical field [0001] The invention relates to the technical field of power systems, and in particular to an auxiliary analysis system for grid faults. Background technique [0002] The power system put into operation requires long-term stable operation, but it covers a wide range of areas and the operating conditions are harsh. There are countless power generation, transmission, power consumption and other equipment in the system, and various equipment inevitably will have various failures during operation. . In the fault analysis, the staff need detailed data to analyze the cause of the fault, so the parameter monitoring of the power system becomes an important work. [0003] At present, there are related fault recorders in the market, but they have single functions and insufficient analysis of the causes of system faults. After the failure occurs, the equipment does not have enough auxiliary effect on the failure analysis of the staff, so it cannot well meet the needs of the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/08
Inventor 王笋石兆全
Owner SHANGHAI HEKAI ELECTRICAL TECH
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