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IED logic states real-time response capacity detecting method based on physical layer information

A technology of physical layer information and logic state, applied in transmission monitoring, digital transmission systems, electrical components, etc., can solve problems such as qualitative detection with large uncertainty

Active Publication Date: 2014-07-16
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, in terms of the rapidity of real-time response and the detection of stability indicators of IED, the uncertainty is relatively large, and the detection is more qualitative, and the physical displayability and traceability of the detection method still need to be improved.

Method used

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  • IED logic states real-time response capacity detecting method based on physical layer information
  • IED logic states real-time response capacity detecting method based on physical layer information
  • IED logic states real-time response capacity detecting method based on physical layer information

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Embodiment Construction

[0041] The technical solutions in the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the present invention.

[0042] figure 1 , 3 , 5, the role of each device:

[0043] Intelligent electronic device (hereinafter referred to as IED) 1, the tested equipment;

[0044] Oscilloscope (hereinafter referred to as OSC) 3, which displays the signal waveform and the timing between each signal;

[0045] Network signal analyzer (hereinafter referred to as NSA) 2 is a data simulation and analysis instrument with HMI function, which can simulate sending and designated receiving data signals, and can output pulse signals to mark the sending and receiving of corresponding data signals;

[0046] The first circuit connector 4 (ie, JP1 ) and the second circuit connector 5 (ie, JP2 ) are used for conversion of circuit connection modes.

[0047] The present invention is based on the physical layer information IED logical state r...

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Abstract

The invention provides an IED logic states real-time response capacity detecting method based on physical layer information, and relates to supplement and improvement on a communication port part included in a traditional IED real-time response accuracy detecting method. The IED logic states real-time response capacity detecting method based on physical layer information is based on physical demonstrability and traceability, the correlation mode between data frame simulation / analysis, a physical layer signal of a data frame, a pulse labeling signal of the physical layer signal and the like is adopted, an oscilloscope is combined to display response characteristics of a signal between IED ports, and the accuracy, rapidity, stability and other capacities of IED logic states real-time response can be detected. The IED logic states real-time response capacity detecting method is based on a network communication physical layer and can be used for detecting IEDs meeting IEC61850 or IEC60870-5-103 or other data exchange standards.

Description

technical field [0001] The invention relates to the technical field of electric equipment detection, in particular to a method for detecting real-time response capability of IED logic state based on physical layer information. Background technique [0002] In recent years, with the improvement of the technical capabilities of intelligent electronic devices (IEDs) and the standardized application of data exchange and network communication technologies, substations have realized a comprehensive automation system composed of microcomputerized devices, which is based on IEC61850 digital substations ( Hereinafter referred to as digital station) the technological change of IED integrated system. The microcomputerized unit equipment with data exchange function in the substation is essentially an IED. The set of IED equipment formed by the communication network in the substation can be collectively referred to as the secondary system of the substation, including the traditional inte...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/26H04B17/00
Inventor 陈宏夏勇军陈前臣舒欣胡刚蔡勇王晋苏昊宿磊
Owner STATE GRID CORP OF CHINA
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