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A power protocol communication method

A communication method and protocol technology, applied to electrical components, transmission systems, etc., to achieve the effect of reducing message length and simplifying message format

Active Publication Date: 2015-09-16
JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a power protocol communication method, which defines the transmitted data frame based on the power interval template, so as to solve the various drawbacks of the existing protocol

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Embodiment Construction

[0049] In a power system, a substation is composed of closely connected parts with some common functions. For example: the switchgear between the incoming or outgoing line and the busbar; the busbar connection equipment composed of a circuit breaker, an isolation switch and a grounding switch; the switchgear between a transformer and two different voltage level busbars. Grouping primary circuit breakers and associated equipment into virtual bays, the bay concept can also be applied to substation configurations such as circuit breaker wiring and ring busbars. These parts form a protected subsection of the grid, such as a transformer or one end of a line, corresponding to the control of switching devices, with certain common constraints, such as interlocks or well-defined operating sequences. Identification of these sections is important for maintenance (which sections are disconnected with minimal impact on the rest of the substation) or expansion planning (if a new line is add...

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Abstract

The invention discloses an electric power protocol communication method. Electric power intervals serve as collection units of data information, relevant data of each electric power interval are transmitted according to data information data and formats stipulated in an electric power interval template through the corresponding message frame, and the message frames comprise message headers, home station addresses, opposite terminal station addresses, function codes, application data units and check digits.

Description

technical field [0001] The invention belongs to the technical field of electric power transmission, and in particular relates to an electric power protocol communication method. Background technique [0002] There are multiple versions of existing power communication protocols, including CDT (CDT92) protocol, DNP3.0, and IEC101 and IEC104. Usually, these existing power communication protocols basically divide the data in the protocol message by terminal number, information type, and information point number. The data in the protocol message itself has no real meaning. Only through the analysis of the message, only a series of meaningless data of analog quantity, state quantity and pulse quantity can be obtained. It cannot be directly related to the actual physical quantity of the equipment. The data content carried in the protocol message must be processed in the later stage corresponding to the point number, data, and physical quantity, so that the data content carried i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/08
CPCH04L67/12H04L69/03
Inventor 谢善益翟瑞聪欧郁强蔡德华王利国李豪天徐平赵永发曾强刘先虎谢广杰冯刘凯
Owner JIANGMEN POWER SUPPLY BUREAU OF GUANGDONG POWER GRID