An iec104 safe remote control method based on dispatch number authentication
A numbering and safety technology, applied in the direction of electrical components, transmission systems, etc., can solve the problems of lack of authentication information, failure to identify false remote control in time, and failure to terminate false remote control in time, so as to ensure safety and reliability and improve safety.
Inactive Publication Date: 2017-06-13
STATE GRID ANHUI ELECTRIC POWER CO LTD +2
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Problems solved by technology
[0006] The essence of the wrong remote control problem caused by the dislocation of the address of the information object is that, for both the master station and the factory station, the remote control and remote adjustment process of IEC104 communication lacks authentication information, and both the master station and the factory station cannot timely identify the fault caused by the dislocation of the information object address. And cause false remote control, it is impossible to terminate the false remote control in time, or intercept the false remote control
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[0040] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0041] Such as figure 1 Shown, a kind of IEC104 safe remote control method based on dispatching number authentication, comprises the following steps:
[0042] S1. On the basis of the existing ASDU type identification of remote control and remote adjustment in the IEC 104 communication protocol, use its reserved area defined for future compatibility to define a new ASDU type identification for the expansion of remote control and remote adjustment with scheduling number information, such as figure 2shown. For the above ASDU type identifiers with scheduling number information, they are mainly divided into three types:
[0043] S11, the remote control includes: a single command with scheduling number information, a double command with scheduling number information, a single command with scheduling number information and time stamp CP56Time2a, a ...
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The invention provides an IEC104 safe remote-control method based on scheduling number authentication. The method includes the following steps: a new ASDU type identification and a new ASDU format are defined for a remote control and remote regulation process of a DL / T634.5104; and the new ASDU format carries scheduling number information of a remote-control and remote-regulation object; and a power station checks and authenticates the scheduling number information and intercepts a dislocated remote control and remote regulation process. The IEC104 safe remote-control method based on scheduling number authentication expands related standards of an IEC104 communication protocol and solves an error remote control problem caused when in IEC104 telecontrol communication, the power station is incapable of identifying information object address dislocation so that safety and reliability of a remote control and remote regulation process are ensured and thus safety of power grid operation is improved.
Description
technical field [0001] The invention relates to the technical field of telecontrol equipment and system transmission protocols, in particular to an IEC104 safe remote control method based on scheduling number authentication. Background technique [0002] Between the power dispatching automation master station system and the telecontrol communication server of the factory station, the DL / T634.5104 communication protocol is basically used at present, that is, the "Telecontrol Equipment and System Part 5-104: The transmission protocol adopts the standard transmission protocol set IEC60870 -5-101 Network Access. This standard is equivalent to the international standard IEC60870-5-104, often referred to as IEC104. The IEC104 communication protocol is generally used to realize the upload of plant process quantity information such as remote signaling and telemetry, and the issuance of master station control commands such as remote control and remote adjustment. [0003] With the ...
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IPC IPC(8): H04L29/06
Inventor 李端超方兴其黄太贵黄少雄程栩马金辉汪伟何星朱六璋吴金淦
Owner STATE GRID ANHUI ELECTRIC POWER CO LTD