CN111061920A - Signal description correctness checking method for equipment parameter inheritance - Google Patents
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Abstract
The invention discloses a method for verifying the correctness of signal description inherited by equipment parameters, which comprises the following steps of S1: triggering automatic check calculation at regular time, and traversing from the equipment parameter table according to the equipment ID from small to large; s2: identifying the device parameter description in the device parameter table obtained in the step S1, and automatically identifying the device description; s3: in a system database, searching the equipment ID, and identifying the description of the equipment ID to form a new equipment description; s4: comparing the new device description in the step S3 with the device description in the step S2, and if the new device description and the device description do not correspond to each other, recording the device ID and the device description of the unmatched device queried in the step S3; s5: and listing and reporting the content and the check date recorded in the S4. The invention utilizes the computer to automatically acquire the modified equipment parameter information and content and automatically identify and list the possibly incorrect signal points, thereby providing a technical tool for the verification of the database parameters and improving the operation and maintenance quality of the automation system.
Description
Technical Field
The invention relates to the field of operation and maintenance of power systems, in particular to a method for verifying the correctness of signal description inherited by equipment parameters.
Background
In the daily operation and maintenance of a dispatching automation system, in order to cooperate with the operation equipment maintenance work of a substation line and a switch, system operation and maintenance personnel often need to temporarily or permanently modify an equipment name and a signal name of the equipment, such as change of the line name, change of a line number, change of the temporary line maintenance name and the like, and all the operation and maintenance personnel need to modify an equipment model parameter, a related remote signaling signal, a related remote measuring signal, a related calculation digital quantity signal and a related calculation analog quantity signal of the equipment in the system, so that the equipment name and the equipment number are changed, the workload to be modified is large, the error modification and the omission modification are easy, and the normal monitoring of the operation state of the equipment by a dispatcher is influenced. At present, the system does not have the functions of comparing the description contents of the signal points associated with the same equipment and automatically identifying inconsistency, so that certain potential safety hazards exist due to non-normative or incorrect description of the signals in the current system, and when the signals act or are abnormal, wrong description is easy to cause misjudgment of a dispatcher on the running condition of the equipment, so that the normal development of dispatching services is greatly influenced.
Disclosure of Invention
The invention provides a method for verifying the correctness of signal description inherited by equipment parameters, which is used for checking abnormal signals, improving the operation and maintenance efficiency and improving the operation and maintenance quality of a system.
In order to solve the technical problems, the technical scheme of the invention is as follows:
a method for checking the correctness of the signal description inherited by a device parameter comprises the following steps:
s1: triggering automatic check calculation at regular time, and traversing from the equipment parameter table according to the equipment ID from small to large;
s2: identifying the device parameter description in the device parameter table obtained in the step S1, and automatically identifying the device description;
s3: in a system database, searching the equipment ID, and identifying the description of the equipment ID to form a new equipment description;
s4: comparing the new device description in the step S3 with the device description in the step S2, and if the new device description and the device description do not correspond to each other, recording the device ID and the device description of the unmatched device queried in the step S3;
s5: and listing and reporting the content and the check date recorded in the S4.
Preferably, the device description in step S2 is specifically "voltage class + device name + device number".
Preferably, the new device description in step S3 is in the same format as the device description in step S2.
Preferably, the system database in step S3 includes a collection telemetry table, a system calculation analog quantity and a system calculation digital quantity.
Preferably, in step S3, in the system database acquisition telemetry table, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2.
Preferably, in step S3, in the system database acquisition telemetry table, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2.
Preferably, in step S3, in the system database calculation analog, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2.
Preferably, in step S3, in calculating the digital quantity in the system database, the device ID is retrieved, the collected telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2.
Preferably, the contents and the check date recorded in step S4 are listed in the form of a report.
Preferably, the contents of the report record include the check date, the device ID where an error may exist, the device description where an error may exist, the plant station, and the signal point type.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
in the operation and maintenance of the dispatching automation system database, a cyclic timing check mechanism is formed, remote signaling signals, remote measuring signals, calculated digital quantity signals and calculated analog quantity signals which are related to the same equipment parameter are searched, description normalization of the signals is compared with the equipment parameter, a mismatch list is formed regularly.
Drawings
FIG. 1 is a schematic flow chart of the method of the present invention.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product;
it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
The embodiment provides a method for checking correctness of signal description inherited by a device parameter, as shown in fig. 1, including the following steps:
s1: triggering automatic check calculation at regular time, and traversing from the equipment parameter table according to the equipment ID from small to large;
s2: identifying the device parameter description in the device parameter table obtained in the step S1, and automatically identifying the device description;
s3: in a system database, searching the equipment ID, and identifying the description of the equipment ID to form a new equipment description;
s4: comparing the new device description in the step S3 with the device description in the step S2, and if the new device description and the device description do not correspond to each other, recording the device ID and the device description of the unmatched device queried in the step S3;
s5: and listing and reporting the content and the check date recorded in the S4.
The device description in step S2 is specifically "voltage class + device name + device number". If the polled equipment parameter with the equipment ID 15236 is described as '110 kV test line 123 switch', the system automatically recognizes that the equipment parameter description format is '110 kV test line 123'.
The new device description in step S3 is in the same format as the device description in step S2.
The system database in the step S3 comprises a collection telemetry table, a system calculation analog quantity and a system calculation digital quantity.
In step S3, the device ID is retrieved from the system database acquisition telemetry table, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2. If the telemetry associated with the device ID 15236 includes the "110 kV test line 135A phase current", the result "110 kV test line 135" is identified, and if the "110 kV test line 135" is identified as not corresponding to the "110 kV test line 123" in S2, the signal point ID, the signal description, and the plant station where the signal is located of the signal retrieved in S3 are recorded, and the point ID (e.g., 19234) is recorded, which describes the "110 kV test line 135A phase current", and which is the plant station where the point is located is the test station.
In step S3, the device ID is retrieved from the system database collection telemetry table, the collection telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2. If the telemetry associated with the device ID 15236 includes a "110 kV test line 135 protection action", the result "110 kV test line 135" is identified, and if the "110 kV test line 135" is identified as not corresponding to the "110 kV test line 123" in S2, the signal point ID, the signal description, and the plant station where the signal is located, of the signal retrieved in S5 are recorded, and the point ID (e.g., 19238) is recorded, and the point describes the "110 kV test line 135 protection action", and the plant station where the point is located is the test station.
In step S3, in the system database calculation analog, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2. If the telemetry associated with the device ID 15236 includes the "110 kV test line 135 power factor", the result "110 kV test line 135" is identified, if the "110 kV test line 135" is identified as not corresponding to the "110 kV test line 123" at S2, the signal point ID of the retrieved signal, the signal description, and the plant station where the signal is located are recorded, and the point ID (e.g., 19526) is recorded, which describes the "110 kV test line 135 power factor", which is the plant station where the point is located is the test station.
In step S3, in the system database calculation numbers, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming "voltage class + device name + device number" as in step S2. If the telemetering device with the device ID 15236 is associated with the telemetering device with the device ID of 110kV, the 110kV test line 135 is identified, if the 110kV test line 135 is identified to be not corresponding to the 110kV test line 123 in the S2, the signal point ID of the retrieved signal is recorded, the signal description is recorded, the station where the signal is located is recorded, and the point ID (19953) is recorded, and the point describes the 110kV test line 135 three-phase inconsistency alarm, and the station where the point is located is the test station.
The contents and check dates recorded in step S4 are listed in the form of a report.
The contents of the report record include the check date, the device ID where the error may exist, the device description where the error may exist, the station, and the signal point type, as shown in the following table:
| inspection time | There may be an erroneous point ID | Possibly with wrong point description | Belonging station | Signal point type |
| 20190331 | 19234 | 135A phase current of 110kV test wire | Test station | Acquisition telemetry |
| 20190331 | 19238 | 135 protection actions of 110kV test line | Test station | Acquisition remote signaling |
| 20190331 | 19526 | 135 power factor of 110kV test line | Test station | Calculating an analog quantity |
| 20190331 | 19953 | 135 three-phase inconsistency alarm of 110kV test line | Test station | Calculating a digital quantity |
The same or similar reference numerals correspond to the same or similar parts;
the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent;
it should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A method for checking correctness of signal description inherited by a device parameter is characterized by comprising the following steps:
s1: triggering automatic check calculation at regular time, and traversing from the equipment parameter table according to the equipment ID from small to large;
s2: identifying the device parameter description in the device parameter table obtained in the step S1, and automatically identifying the device description;
s3: in a system database, searching the equipment ID, and identifying the description of the equipment ID to form a new equipment description;
s4: comparing the new device description in the step S3 with the device description in the step S2, and if the new device description and the device description do not correspond to each other, recording the device ID and the device description of the unmatched device queried in the step S3;
s5: and listing and reporting the content and the check date recorded in the S4.
2. The method for checking correctness of description of signal inherited from device parameter of claim 1, wherein the device description in step S2 is specifically "voltage class + device name + device number".
3. The method for checking correctness of signal description inherited by device parameter of claim 1 or 2, wherein the new device description in step S3 is in the same format as the device description in step S2.
4. The method for verifying correctness of description of signal inherited by parameters of equipment according to claim 1, wherein the database of system in step S3 includes collecting telemetry table, system computing analog quantity and system computing digital quantity.
5. The method for checking correctness of description of signal inherited from device parameter of claim 4, wherein in step S3, in the system database acquisition telemetry table, the device ID is retrieved, the acquisition telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming the same "voltage class + device name + device number" as in step S2.
6. The method for checking correctness of description of signal inherited from device parameter of claim 4, wherein in step S3, in the system database collection telemetry table, the device ID is retrieved, the collection telemetry associated with the device ID identified in step S2 is retrieved, and the device description is identified, forming the same "voltage class + device name + device number" as in step S2.
7. The method for checking correctness of description of signal inherited from device parameter of claim 4, wherein in step S3, in the calculation of analog quantity in system database, device ID is retrieved, acquisition telemetry associated with device ID identified in step S2 is retrieved, and device description is identified, forming the same "voltage class + device name + device number" as in step S2.
8. The method for checking correctness of description of signal inherited from device parameter of claim 4, wherein in step S3, in calculating digital quantity in system database, device ID is retrieved, collected telemetry associated with device ID identified in step S2 is retrieved, and device description is identified, forming same "voltage class + device name + device number" as step S2.
9. The method for checking correctness of signal description inherited from device parameter of claim 1, wherein the contents and check dates recorded in step S4 are listed in the form of report.
10. The method for checking correctness of signal description inherited by the device parameter as claimed in claim 9, wherein the contents of the report record include check date, device ID where error may exist, device description where error may exist, the station and signal point type.
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