The invention discloses a secondary circuit configuration controlling method and system for an intelligent substation The method comprises a present version of SCD (Substation Configuration Description) file is obtained; the present version of SCD file is compared with a prestored last version of SCD file; a configuration update report which includes the IED (Intelligent Electronic Device) update range is generated; and according to the configuration update report, an information comparison report which includes details of configuration information change is generated for each IED requiring configuration update According to the invention, the configuration update report defines the IED update range, and the information comparison report describes the details of configuration information change of each IED which requires configuration update, thereby effectively helping professional staff of relay protection to safely and efficiently carry out daily maintenance on secondary circuits of the intelligent substations

Secondary circuit configuration controlling method and system for intelligent substation

The invention relates to a virtual terminal connection imaging method based on a security coding device (SCD) document. The imaging method includes the following steps that a virtual terminal in the SCD document and a virtual terminal connection relation are pre-configured; imaging processing is conducted on the virtual terminal, and the SCD document is imported by using a virtual terminal connection imaging tool; imaging processing results are output and combined to obtain an IED complete virtual terminal drawing. By means of the imaging method, the important virtual terminal connection relation of an intelligent substation is displayed to users visually in a mode easy to read, verification of the intelligent substation is facilitated, and operation and maintaining requirements are met.

Virtual terminal connection imaging method based on security coding device (SCD) document

The invention discloses an intelligent substation SCL (substation configuration description language ) file difference comparison method, which is applicable to the situation that the SCL configuration file is changed in the building process, reconstruction and expansion process and the operation overhauling process of an intelligent substation. According to a definition of the SCL file in IEC61850-6 standard, a key word is defined for each key element, a two-dimensional table structure with a main key is formed, the difference of two SCL files on the aspects of the structure, element and attribute before and after the alternation can be rapidly found out by utilizing a circulating, sorting and cross comparison method, and an SCL file difference comparison software is developed on the basis of the obtained difference and can be used as a management tool of a configuration file in the operation maintenance of the intelligent substation.

Intelligent substation SCL (substation configuration description language) file difference comparison method

The invention discloses a power-network-dispatching-oriented intelligent warning analysis method. The method comprises the following steps that warning information of a power network is extracted and is preprocessed; denoising is carried out on the preprocessed warning information, and a denoising classification rule is obtained; the denoised warning information is subjected to induction and dupliction removal, warning combinations are generated, and the warning type to which each warning combination belongs is judged; each warning combination and the corresponding warning type are subjected to association rule mining, and a power network warning inference rule is obtained. After the intelligent warning analysis method is utilized, the filtering rate of noise data in the warning information and the comprehensiveness of the warning types are improved.

Power-network-dispatching-oriented intelligent warning analysis method

The invention discloses a detection method of the network anomaly message of an intelligent substation. The method comprises the steps of formulating message rules for all protocols by analyzing an industrial control protocol and a special protocol for equipment in the substation, configuring a substation interchanger mirror port, accessing a substation network through the interchanger mirror port, capturing substation real-time message information from the interchanger mirror port, analyzing captured message, filtering null message, extracting and obtaining the header information and content of the message, matching the analyzed message information with message rules, detecting and storing abnormal message information, and adopting a WEB terminal technology to output detected abnormal message and the detailed information of the message which serve as alarm information. The method provides a more reliable and accurate substation anomaly message identification method by adopting the characteristics of the network closeness and protocol immobility of the substation, finally realizes the real-time alarm output of the substation network abnormal information, and assists professional to carry out the intelligent substation information security analysis work.

Detection method of network anomaly message of intelligent substation

Management and graphical display system for intelligent substation SCL (substation configuration description language) configuration files

The invention discloses an automatic detection system and detection method for an intelligent substation relay protection testing device. The automatic detection system for the intelligent substation relay protection testing device comprises a control management machine and a detection executive device. The detection method for the intelligent substation relay protection testing device comprises an automatic detection mode and a manual detection mode. The automatic detection system for the intelligent substation relay protection testing device and the detection method thereof solve the problems that in the prior art, different testing environments need to be structured when different functions of a relay protection testing device are tested, operation is complex and tedious to achieve, and automatic detection cannot be carried out on the relay protection testing device.

Automatic detection system and detection method for intelligent substation relay protection testing device

The invention discloses an intelligent transformer substation master control device testing system and method. The system comprises a regulation master station simulation system testing unit and a spacer layer simulation system and is characterized in that the regulation master station simulation system testing unit comprises an IEC104 protocol submodule, an IEC61850 protocol submodule and an intelligent testing submodule, IEC61850 communication is established between a spacer layer simulation IED device and the IEC61850 protocol submodule, IEC104 communication is established between a tested equipment master control device and the IEC104 protocol submodule, IEC61850 communication is established between the spacer layer simulation IED device and the tested equipment master control device, matching and comparison are conducted on acquired data by the intelligent testing submodule, and then a test result is given and a test report is formed. According to the system and method, by means of the modularization idea, real-time messages from different channels belonging to different protocols are received at the same time, intelligent comparison is conducted on the analyzed data, abnormal events are generated in real time, abnormal information is output quickly, a judgment result is given, master control device testing efficiency is improved greatly, and meanwhile, the real-time performance and effectiveness of the test result are guaranteed.

Intelligent transformer substation master control device testing system and method

The invention discloses a method for synchronizing redundant time of an intelligent substation. A system for synchronizing the redundant time of the intelligent substation is of the redundant configuration with double master clocks and two sets of extension clocks. The double master clocks receive and synchronize double time source signals, the extension clocks receive and synchronize double master clock time source signals, a time service device receives and synchronizes the time source signals coming from the extension clocks, the time service device having high requirements for time synchronization and accuracy transmits the time source signals through IRIG-B and IEC61588, the effectiveness of the time source signals is judged before synchronization of the double master clocks and double time sources, synchronization of the extension clocks and the double master clocks and synchronization of the time service device and the extension clocks, and the time source signals are synchronized in a mode of carrying out regulation step by step with the fixed step length. The method meets the requirement for reliability, stability and high accuracy of time synchronization of the intelligent substation.

Gao Lei

Papers

Management and graphical display system for intelligent substation SCL (substation configuration description language) configuration files

Intelligent substation SCL (substation configuration description language) file difference comparison method

Automatic detection system and detection method for intelligent substation relay protection testing device

Intelligent transformer substation master control device testing system and method

Method for synchronizing redundant time of intelligent substation