CN110705246A - Method for intelligently comparing and checking information of master station and transformer substation - Google Patents
Method for intelligently comparing and checking information of master station and transformer substation Download PDFInfo
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- CN110705246A CN110705246A CN201910804991.1A CN201910804991A CN110705246A CN 110705246 A CN110705246 A CN 110705246A CN 201910804991 A CN201910804991 A CN 201910804991A CN 110705246 A CN110705246 A CN 110705246A
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- G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
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- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
Abstract
The invention discloses a method for intelligently comparing and checking information of a master station and a substation, which calls four remote information of the substation to the master station according to a defined format in a mode of extending an IEC104 protocol, compares information such as information description, equipment polarity, a base value, a coefficient and the like at the master station end, further finds inconsistent information, checks and corrects the inconsistent information, improves the information accuracy and the reliability, and improves the control strength of scheduling monitoring on the operation condition, the equipment state and the like of the substation. And the signal description information is acquired from a background database of the substation monitoring host and is transmitted to the telecontrol workstation in real time, and the telecontrol workstation stores the latest version of the description file, so that the consistency between the description information in the file uploaded to the dispatching master station and the monitoring background is ensured.
Description
Technical Field
The invention belongs to the technical field of information processing, and particularly relates to a method for intelligently comparing and checking information of a master station and a transformer substation.
Background
With the rapid development of national economy, the power supply demand is increasing day by day, the electricity selling quantity is constantly innovative, in order to meet the demand of national economy development, the power grid construction strength is continuously increased, the number of substations and lines is continuously increased, the signal quantity of the substations and the lines which are connected into a power grid dispatching automation system is also greatly increased, and higher requirements are provided for monitoring, four-remote information quality and accuracy of the power grid dispatching substations.
However, the dispatching automation master station and the dispatching automation transformer substation are respectively provided with a set of control system which operates independently, the four-remote information point table is independently put in storage and independently stored, and the master station and the substation end transmit data through a 104 protocol. The currently used 104 protocol only stipulates the sequence and state of forwarding information, and can not verify the normalization, accuracy and consistency of signal description in databases at two ends, and with the power grid adjustment such as substation reconstruction and extension, line modification and the like, the phenomenon that information of a main station and a station is inconsistent due to information modification and deletion at any side occurs sometimes, but an effective intelligent means for information comparison and verification is not available at present, so that the information accuracy can not be verified, the monitoring of operation monitoring information, the mastering of the operation condition of a substation, fault judgment, the trend distribution condition and even switch remote control are seriously influenced, and serious potential safety hazards exist.
Disclosure of Invention
The invention aims to: the method solves the problems that the currently used 104 protocol cannot verify the accuracy of information in databases at two ends and the information of the master station and the transformer substation is inconsistent during monitoring and information transmission of the master station and the transformer substation, and provides the method for intelligently comparing and checking the information of the master station and the transformer substation.
The technical scheme adopted by the invention is as follows:
a method for intelligently comparing and checking information of a master station and a transformer substation comprises the following steps:
a background monitoring host of the transformer station side acquires description information of a transfer signal from a background database at regular time, and generates a description file in a standard format;
transmitting the generated description file to a telecontrol workstation at a transformer substation end in real time, wherein the telecontrol workstation stores the latest version of the description file;
when the master scheduling station needs to acquire the description file, issuing a file reading command to a telecontrol workstation at the transformer station end;
after receiving a file reading command of the scheduling master station, the telecontrol workstation locally reads the description file and uploads the description file;
after receiving the uploaded description file, the scheduling master station compares the information in the master station and outputs a comparison result;
the data transmission between the transformer substation and the dispatching master station follows an IEC104 protocol, and in the method, the IEC104 protocol is expanded by 2 ASDUs and is respectively used for file operation control and information point table file transmission.
Further, the forwarding signal comprises remote signaling, remote measuring, remote control and remote regulation.
Further, the content of the description information includes: a remote signaling point number, a remote signaling name; the remote measuring point number, the remote measuring name, the multiplying coefficient and the offset coefficient; remote control number, remote control signal name; remote tuning number, remote tuning signal name.
Further, the description information specification format generation description file adopts the specification of the E language format of the power system.
Further, the method also comprises the step of selecting the transformer substation needing to obtain the information point table.
Further, after the scheduling master station receives the uploaded description file, a specific method for comparing information at the master station is as follows: and comparing the description file of the substation end information point table uploaded by the telemechanical workstation with the information of the scheduling master station system information point table according to four information types of remote signaling, remote measuring, remote control and remote regulation, outputting a comparison result and checking.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, the four-remote information of the transformer substation is called to the master station according to a defined format in a manner of extending IEC104 protocol, information description, equipment polarity, base value, coefficient and the like are compared at the master station end, so that inconsistent information is found, checking and rectifying are carried out, the information accuracy and reliability are improved, and the control strength of scheduling monitoring on the operation condition, equipment state and the like of the transformer substation is improved.
2. In the invention, the signal description information is acquired from a background database of the substation monitoring host and is transmitted to the telecontrol workstation in real time, and the telecontrol workstation stores the latest version of the description file, thereby ensuring the consistency between the description information in the file uploaded to the dispatching master station and the monitoring background.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic flow diagram of the process of the present invention;
FIG. 2 is a schematic diagram illustrating a process of a primary station acquiring an information point list according to the present invention;
FIG. 3 is a schematic diagram of a system interface for selecting a substation requiring information point table acquisition according to the present invention;
FIG. 4 is a schematic view of an information point table file storage system interface according to the present invention;
FIG. 5 is a schematic diagram of a scheduling master station information comparison system interface.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
Example 1
The method for intelligently comparing and checking the information of the master station and the substation provided by the preferred embodiment of the invention is as shown in fig. 1, and the method comprises the following steps:
Further, the description information specification format generation description file adopts a power system E language format specification (CIM-E), and the content of the description information includes: a remote signaling point number, a remote signaling name; the remote measuring point number, the remote measuring name, the multiplying coefficient and the offset coefficient; remote control number, remote control signal name; remote tuning number, remote tuning signal name, etc. Examples of file formats and content are as follows:
< | A! System-kikko-blackbridge substation Version V1.0 Code UTF-8 Time 2018010113:08: 26233' |! [ solution ] A method for producing a polymer
< Chihu bridge: : remote signalling >
[ Chihu bridge ]: : remote signalling >
< Chihu bridge: : telemetry >
[ Chihu bridge ]: : telemetry >
< Chihu bridge: : remote control >
-Chihu bridge: : remote control >
And 2, transmitting the generated description file to a telecontrol workstation at the transformer substation end in real time, and storing the latest version of the description file by the telecontrol workstation.
In the invention, the signal description information is acquired from a background database of the substation monitoring host and is transmitted to the telecontrol workstation in real time, and the telecontrol workstation stores the latest version of the description file, thereby ensuring the consistency between the description information in the file uploaded to the dispatching master station and the monitoring background.
And 3, when the dispatching master station needs to acquire the description file, issuing a file reading command to the telecontrol workstation at the transformer station end, and after receiving the file reading command of the dispatching master station, uploading the file from the local reading description file by the telecontrol workstation.
The main station end is only responsible for issuing a calling station endpoint table request command (namely issuing a file reading command), the station end uploads the latest endpoint table file, and the master station stores the result into the file after comparison. The process is shown in figure 2.
The information point list file calling process comprises the following steps:
scheduling a main station end: ↓ information point table file reading command
Remote workstation end: ↓ ] information point table file reading command confirmation
Remote workstation end: ↓ transfer information point table file
Scheduling a main station end: receiving file confirmation by the ↓ information point table
……
Remote workstation end: ↓ ] transfer information point table file end
further, after the scheduling master station receives the uploaded description file, a specific method for comparing information at the master station is as follows: and comparing the description file of the substation endpoint table uploaded by the telemechanical workstation with the description file of the scheduling master station system endpoint table according to four information types of remote signaling, remote measuring, remote control and remote regulation, outputting a comparison result and checking.
The data transmission between the transformer substation and the dispatching master station follows an IEC104 protocol, the communication can be carried out by adopting a communication network pipe machine, and in the method, the IEC104 protocol is expanded by 2 ASDUs and respectively used for file operation control and information point table file transmission. The basic principle of expanding the ASDU is not to change the frame structure and the communication flow of the IEC104 protocol.
In practical application, the method is operated in a system, and further comprises the step of selecting a substation needing to acquire an information point table, wherein a system interface is as shown in fig. 3, and the substation needing to call the information point table is selected in a front-end communication tool, and the information point table call is executed, so that the information point table call function is triggered. After the information point table is called, it is stored in the log directory, and the system interface is as shown in fig. 4. And comparing the point table called by the slave substation with the point table of the dispatching master station system, outputting a comparison result on the right side according to the four-remote type, and checking according to the comparison result, wherein the system interface is shown in fig. 5.
According to the invention, the four-remote information of the transformer substation is called to the master station according to a defined format in a manner of extending IEC104 protocol, information description, equipment polarity, base value, coefficient and the like are compared at the master station end, so that inconsistent information is found, checking and rectifying are carried out, the information accuracy and reliability are improved, and the control strength of scheduling monitoring on the operation condition, equipment state and the like of the transformer substation is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A method for intelligently comparing and checking information of a master station and a transformer substation is characterized in that: the method comprises the following steps:
a background monitoring host of the transformer station side acquires description information of a transfer signal from a background database at regular time, and generates a description file in a standard format;
transmitting the generated description file to a telecontrol workstation at a transformer substation end in real time, wherein the telecontrol workstation stores the latest version of the description file;
the method comprises the following steps that a scheduling master station issues a file reading command to a telecontrol workstation at a transformer station end, and the telecontrol workstation uploads a local reading description file after receiving the file reading command of the scheduling master station;
after receiving the uploaded description file, the scheduling master station compares the information in the master station and outputs a comparison result;
the data transmission between the transformer substation and the dispatching master station follows an IEC104 protocol, and in the method, the IEC104 protocol is expanded by 2 ASDUs and is respectively used for file operation control and information point table file transmission.
2. The method for intelligently comparing and checking the information of the master station and the substation according to claim 1, characterized in that: the forwarding signal comprises remote signaling, remote measuring, remote control and remote regulation.
3. The method for intelligently comparing and checking the information of the master station and the substation according to claim 1, characterized in that: the description information comprises: a remote signaling point number, a remote signaling name; the remote measuring point number, the remote measuring name, the multiplying coefficient and the offset coefficient; remote control number, remote control signal name; remote tuning number, remote tuning signal name.
4. The method for intelligently comparing and checking the information of the master station and the substation according to claim 1, characterized in that: the description information specification format generation description file adopts the E language format specification of the power system.
5. The method for intelligently comparing and checking the information of the master station and the substation according to claim 1, characterized in that: the method also comprises the step of selecting the transformer substation needing to obtain the information point table.
6. The method for intelligently comparing and checking the information of the master station and the substation according to claim 1, characterized in that: after the scheduling master station receives the uploaded description file, a specific method for comparing information at the master station comprises the following steps: and comparing the description file of the substation end information point table uploaded by the telemechanical workstation with the information of the scheduling master station system information point table according to four information types of remote signaling, remote measuring, remote control and remote regulation, outputting a comparison result and checking.
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Cited By (4)
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| CN112202707A (en) * | 2020-08-21 | 2021-01-08 | 广东电网有限责任公司 | Method for maintaining source end information point table from scheduling end |
| CN112256736A (en) * | 2020-10-29 | 2021-01-22 | 广东电网有限责任公司 | Automatic checking method for telecontrol forwarding point meter |
| CN113742427A (en) * | 2021-09-10 | 2021-12-03 | 中国长江电力股份有限公司 | 104-protocol-based communication heterogeneous system single-side data point uploading synchronization method |
| CN114069862A (en) * | 2021-11-17 | 2022-02-18 | 许继集团有限公司 | Transformer substation on-site monitoring and master station information double-checking method and device |
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