CN112052221B - Method for displaying action report data in stability control device - Google Patents
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Abstract
The invention discloses a method for displaying action report data in a stability control device. According to the method, mapping relation is established between magnitude data to be displayed in the action information and corresponding data in a device program through a magnitude configuration file, a strategy CPU caches the needed data when the action occurs, an interface CPU board card invokes report information and strategy CPU caches the magnitude information, cache data are updated when the action is performed for a plurality of times in the same action period, the action file is written according to the mapping relation provided by the magnitude configuration file when the action is finished, a file template and action file data are invoked when the action report is checked, and mass data magnitude information is displayed in a list mode. The problem of small data volume of action report display in the current stable control device is solved, and the requirement of massive data display of action report of a large power grid system protection device is met.
Description
Technical Field
The invention relates to the technical field of safety and stability control of large power grid system protection, in particular to a method for displaying action report data in a stability control device.
Background
In recent years, with the rapid development of the ultra-high voltage alternating current/direct current power grid, the contradiction between strong and weak power grid in the transition period is prominent, the new energy duty ratio is further improved, and on the basis of enhancing a first defense line, expanding a second defense line and connecting a third defense line, the system protection is provided, the stability of the system after faults is improved through measures such as disconnection, cutting, load shedding and the like, so that the social influence of power grid faults is reduced, and the fault defense capacity of a large power grid is improved.
The safety and stability control device and the accurate load shedding control system in the second defense line play a role in importance, have the advantages of wide points and multiple sides, strong selectivity and small influence on users, and are the most effective means for guaranteeing the safety of the power grid in the transition period. Wherein the precision load control system generally comprises a number of sub-station devices, each sub-station device managing a certain number of terminal devices. Taking a Zhejiang accurate load control system as an example, each sub-station supports management control of at most 200 terminal devices, and the load quantity which can be cut by each terminal is divided into 6 layers, when the system cuts load, the sub-station action report needs to send out the load quantity which needs to be cut by each layer of 200 terminals and the load quantity which needs to be cut by each layer of 200 terminals actually, so that the action report needs to cover mass action magnitude information.
At present, action reports of secondary protection devices such as a relay protection device, a power grid safety automatic device and the like generally adopt a mode of combining action information and magnitude information, wherein the magnitude information is data information which needs to be concerned at the moment of device strategy action and is used for restoring accidents and analyzing the accuracy of the action strategy when the accidents happen. The traditional protection device has less action information in single action, and the action magnitude information generally comprises voltage and current information in action, so that the information quantity is less. The system protection device represented by the accurate load control system has a system structure, particularly, the accurate load control substation device needs to be connected with a large number of terminals, so that the action quantity value data quantity attached to the action information in the action report is large in action, and is not beneficial to the check and analysis of operation and protection personnel, and therefore, the invention needs to provide a display method capable of displaying mass data information in the action report of the stable control device.
Disclosure of Invention
Object of the invention
The invention aims to provide a method for displaying action report data in a stable control device, which aims to solve the problem that the quantity of action report display data of the existing stable control device is small, and can not meet the requirement of displaying massive data of action reports of devices in a large power grid system protection device.
(II) technical scheme
In order to solve the above problems, an aspect of the present invention provides a method for displaying action report data in a stability control device, comprising the steps of:
step one, an action report magnitude configuration file is established, and a mapping relation is established between magnitude data to be displayed in an action report and magnitude data of the device through the magnitude configuration file;
step two, loading the magnitude configuration file when the device is powered on, storing magnitude data of the device into a buffer area according to the mapping relation when the device acts, and writing action information and the buffer data into an action file when the action is finished;
And step three, when the action report is checked, the action file is called to display the magnitude data of the device.
According to one aspect of the invention, the magnitude profile includes configuration parameters and a data information index.
According to one aspect of the invention, the configuration parameters include a data row header, a data column header, and a display data parameter.
According to one aspect of the invention, the data information index is used to establish a mapping relationship between the magnitude to be displayed in the action report and the magnitude data of the device.
According to one aspect of the invention, a buffer area is established according to the configuration parameters, and when a device acts, the corresponding magnitude data of the device is recorded into the buffer area according to the data information index of the magnitude configuration file.
According to one aspect of the invention, when the device operates for a plurality of times in the same starting period, the buffer cache data is updated, and the action information and the buffer cache data of the last action are written into the action file when the action is finished.
According to one aspect of the invention, action information and cached data are written to an action file according to the magnitude profile provisioning format and information.
According to one aspect of the invention, the action file generated when the device acts is stored under the designated path, the name comprises the fault sequence number and the action time of the action, and when the action report is checked, the action file is matched according to the fault sequence number and the action time.
According to one aspect of the invention, when viewing an action report, the device's magnitude data is displayed in list form according to a file template in the magnitude profile.
(III) beneficial effects
The technical scheme of the invention has the following beneficial technical effects:
the invention provides a data display method, which adopts an action report magnitude configuration file to establish a mapping relation between magnitude data to be displayed in an action report and magnitude data of a device, realizes list display of massive data information, solves the problem of small quantity of action report display data in the existing stable control device, and meets the requirement of action report massive data display in a large power grid system protection device.
Drawings
Fig. 1 is a schematic diagram of a control substation of an accurate load control system according to an embodiment of the present invention.
Fig. 2 is a flowchart of a method for displaying operation report data in the stability control device according to an embodiment of the present invention.
FIG. 3 is an example diagram of a magnitude profile format according to one embodiment of the invention.
FIG. 4 is an exemplary diagram of an action file format according to one embodiment of the invention.
Detailed Description
The objects, technical solutions and advantages of the present invention will become more apparent by the following detailed description of the present invention with reference to the accompanying drawings. It should be understood that the description is only illustrative and is not intended to limit the scope of the invention. In addition, in the following description, descriptions of well-known structures and techniques are omitted so as not to unnecessarily obscure the present invention.
Taking an example of a control substation of an accurate load control system, a schematic structural diagram of the control substation is shown in fig. 1. The control substation comprises an interface CPU1, a strategy CPU2, a man-machine panel 3, a communication extension 4, an extension plug-in 5 and a stabilized voltage supply 6. The interface CPU1 receives the magnitude configuration file and is used for realizing information uploading and display of the man-machine panel 3. The policy CPU2 is used to control policy operations and data processing. The man-machine panel 3 comprises a keyboard and a liquid crystal display, and is used for realizing device operation and report display inquiry; the communication extension 4 accesses 6 types of data of the 6 types of the cut load terminals of the 200 cut load terminals through the 2M optical fiber interface. The interface CPU1 is communicated with the strategy CPU2 through the back-plane Ethernet, bidirectional data transmission is realized between the interface CPU1 and the man-machine panel 3, the strategy CPU2 is communicated with the communication expansion 4 through the back-plane Ethernet, and the strategy CPU2 is communicated with the expansion plug-in 5 through a high-speed serial port.
Fig. 2 is a flowchart showing a method for displaying operation report data in the stability control device. As can be seen from fig. 2, the display method comprises the steps of:
S1: the stability control device is powered on.
S2: and loading the configuration file.
The interface CPU loads the configuration file when the stability control device is powered on.
S3: device policy actions.
And the strategy CPU establishes a buffer area for the magnitude data according to the configuration parameters, and when the device acts in a strategy mode, the strategy CPU records corresponding data into the buffer area according to the configuration file data information index for the interface CPU to call and display.
S4: and judging whether the action is finished. If so, go to S5, otherwise return to S3.
When the operation is performed for a plurality of times in the same starting period, the strategy CPU updates the data of the buffer area in real time according to the operation state, and when the operation starting mark returns, the interface CPU generates an operation file according to the strategy CPU buffer value data and the title information of the configuration file and a preset rule.
S5: and writing the action file.
The action file is stored in the user path of the interface CPU, the file name comprises a fault sequence number and action time, and the action time is accurate to be consistent with the action report of the device.
S6: an action report is generated.
S7: report information is displayed.
When an operator checks the magnitude information of the action report through an interface menu, the interface CPU realizes the matching between the action report and the action file by retrieving the fault serial number in the name of the action file under the path, and when the operator checks the magnitude information, the operator calls the action file and displays the magnitude data in the action file on a liquid crystal display screen of the device according to the template information in the configuration file.
In addition, an action report magnitude configuration file is established, and the magnitude configuration file is modified according to the display magnitude required during actual engineering actions. The magnitude configuration file needs to contain indexes of data to be displayed in the action report to establish a mapping relation, and simultaneously provides a row title and column title template and display data parameters for the action report display. In particular, the magnitude profile may include configuration parameters and a data information index. The parameter configuration comprises a data line title and a column title, and the data line number and the column number; the data information index is used for displaying the index number of the internal data of the data screening device according to the engineering example, and filling the index number into the designated position of the configuration file according to the meanings of the row title and the column title so as to enable the device to establish the mapping relation between the configuration file and the internal data.
Fig. 3 shows that according to the engineering requirements of the substation controlled by the Zhejiang accurate load control system, the configuration value configuration file format is shown in fig. 3, the column headers are respectively the cut load terminal 1-6 layers of the cut load quantity and the 1-6 layers of the real cut load quantity, the number of the terminals is set to 200, the cut load quantity and the real cut load quantity data index of the terminals 1-200 in the data information table in the strategy CPU protection program are used for configuring the report value configuration file, and the value configuration file is named SOEvalue.
And downloading the magnitude configuration file to a designated path of a human-computer interface CPU of the device, loading the magnitude configuration file after the device is powered on again, and acquiring magnitude data from a data cache area of a strategy CPU plug-in unit by the human-computer interface CPU when the strategy acts according to the magnitude data index relation of the magnitude configuration file.
When the device generates a strategy action, the strategy CPU plug-in writes the information of the tangential load of 200 terminals at 200ms moment before the device is started into the data buffer area according to the action logic; in the action process, after the control substation issues a load shedding command to the terminal, the terminal trips, the load shedding information is calculated and sent up, and the device updates the real load shedding information of 200 terminals in real time. And when the device acts for a plurality of times in the same starting period, the strategy CPU plug-in updates the real-cut load information of the terminal in the data buffer area, locks the data when the fault is over, and sends a mark signal to the interface CPU. The interface CPU receives the mark signal and then calls the data in the data buffer area of the strategy CPU plug-in, and generates an action file according to the format and information provided by the magnitude configuration file, wherein the action file format is shown in figure 4.
When an operator checks the magnitude information of the action report through an interface menu, the interface CPU realizes the matching between the action report and the action file by retrieving the fault serial number in the name of the action file under the path, and when the operator checks the magnitude information, the operator calls the action file and displays the action file on a liquid crystal display screen of the device according to the information content of the template in the file. When checking the action report, when the key operates a certain piece of action information, the action file is matched according to the fault sequence number and the action time, massive data and title formats in the action file are called to be displayed in the liquid crystal of the device, and the liquid crystal display content is switched in batches by the keys on the upper, lower, left and right sides.
In summary, the invention discloses a method for displaying a mass data action report of a stable control device. When the large power grid system protects the safety and stability control device, more communication exists between stations, compared with the relay protection device, when the strategy action switching machine or load switching machine operates, a plurality of action messages need to be displayed in an action report of the safety and stability control device, and meanwhile, massive action magnitude information needs to be displayed in the action messages. The problem of small data volume of action report display in the existing stable control device is solved, and the requirement of massive data display of action report of a device in large power grid system protection is met.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explanation of the principles of the present invention and are in no way limiting of the invention. Accordingly, any modification, equivalent replacement, improvement, etc. made without departing from the spirit and scope of the present invention should be included in the scope of the present invention. Furthermore, the appended claims are intended to cover all such changes and modifications that fall within the scope and boundary of the appended claims, or equivalents of such scope and boundary.
Claims (6)
1. A method for displaying action report data in a stability control device includes the steps of:
step one, an action report magnitude configuration file is established, and a mapping relation is established between magnitude data to be displayed in an action report and magnitude data of the device through the magnitude configuration file;
step two, loading the magnitude configuration file when the device is powered on, storing magnitude data of the device into a buffer area according to the mapping relation when the device acts, and writing action information and the buffer data into an action file when the action is finished;
Step three, when checking the action report, calling the action file to display the magnitude data of the device;
Wherein the magnitude profile includes configuration parameters and a data information index;
Establishing a buffer area according to the configuration parameters, and recording corresponding magnitude data of the device into the buffer area according to the data information index of the magnitude configuration file when the device acts;
When the device acts for a plurality of times in the same starting period, the buffer cache data are updated, and when the action is finished, the action information and the buffer cache data of the last action are written into the action file.
2. The display method of claim 1, wherein the configuration parameters include a data row header, a data column header, and a display data parameter.
3. The display method according to claim 1, wherein the data information index is used to establish a mapping relationship between a magnitude to be displayed in an action report and magnitude data of the device.
4. The display method of claim 1, wherein the action information and the cached data are written to the action file according to the magnitude profile provisioning format and information.
5. The display method according to claim 1, wherein the action file generated when the device is operated is stored in a designated path, the name includes a failure number and an operation time of the operation, and the action file is matched according to the failure number and the operation time when the operation report is checked.
6. The display method according to claim 1, wherein when viewing an action report, the magnitude data of the device is displayed in a list form according to a file template in the magnitude profile.
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