CN114066187B - Simulation method of power grid real-time data simulator - Google Patents
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Abstract
The invention belongs to the technical field of power grid real-time data simulation and discloses a simulation method of a power grid real-time data simulator.
Description
Technical Field
The invention belongs to the technical field of power grid real-time data simulation, and particularly relates to a simulation method of a power grid real-time data simulator.
Background
The training base is generally built with three systems of OPEN, PCS and DF of an OCS main stream, four simulation stations are connected, data of other models adopt data of historical sections, limited training and assessment can be carried out on an OCS automation technician, and the training base has great difference with an OCS system which is actually operated.
The power grid dispatching automation OCS system built on the training base generally adopts data of historical sections, and has great deviation with the OCS actually operated: most outstanding is that the part of the front-end system except for four simulated stations is in an exit state, and the part cannot be trained and checked, so that the training effect is influenced, and the evaluation range is limited. The training system can not provide a primary power grid operation environment to the maximum extent in the aspect of simulating the power grid operation condition, and the training effect is also affected.
Disclosure of Invention
The invention aims to provide a simulation method of a power grid real-time data simulator, which realizes that trained personnel learn in a system close to actual operation, effectively improves training effect of training and reflects actual capability of the trained personnel.
In order to achieve the above purpose, the present invention provides a simulation method of a real-time data simulator for a power grid, comprising the following steps: s1: entering a QT interface of a simulator, and setting plant parameters; s2: the simulator reads the configuration file of the station through menu/dialog box operation of the QT interface, automatically matches the channel parameters of the station, generates a tree structure of the station according to the configuration file, and sets single station switching/backing, station telemetry value and station message display functions on the tree structure through the menu; s3: starting Server service through connection button of simulator, waiting for connection of front-end system; s4: and after the front-end system is connected, carrying out communication processing on the message.
As a further technical improvement, the communication process comprises the steps of:
s4.1: the simulator adopts a multithreading technology to respectively establish communication threads for each station, waits for the connection of a front-end system, and continues the next step if the connection is successfully established; if the connection fails, returning to the previous operation;
S4.2: opening a message file of a corresponding station, and simultaneously restoring the message stored by the station;
S4.3: and (3) finishing the message: performing deletion operations on message translation, redundant characters, downlink messages (remote control, remote pulse, time synchronization, confirmation messages and the like) and the like in the original message to form a usable text message, converting the text message into a 16-system message, and putting the 16-system message into an uploading queue;
S4.4: checking whether telemetry and remote signaling of a factory station are set, if yes, performing telemetry and remote signaling message processing, and putting the telemetry and remote signaling message processing into an uploading queue;
S4.5: the simulator completes message receiving of the front-end system and processes downlink messages issued by the front-end system;
s4.6: reading the message from the queue according to the protocol of the south network 104, and communicating with a front-end system;
S4.7: the QT interface pops up a call ending dialog box operation, and the communication is ended; if not, the process returns to step S4.3.
As a further technical improvement, the telemetry and remote signaling message processing in the step S4.4 comprises the steps of simulating the telemetry of a station and simulating the remote signaling of the station; the simulated plant telemetry: the simulator sets a plurality of telemetry values for the factory station through a QT interface, after the telemetry values are set, judges whether the telemetry values of the change telemetry values which are being processed exist or not, if so, modifies the telemetry values to the set values, if not, inserts new telemetry values into the latest change telemetry values, and sends the new telemetry values to the front-end system so as to achieve the purpose of telemetry setting;
the simulated plant station remote signaling: the simulator sets a plurality of remote signaling amounts for the plant station through a QT interface, simulates the operation state of a primary system, such as accident tripping simulation and the like, judges whether a remote signaling message exists in a nearest message after the remote signaling amounts are set, and modifies the remote signaling amounts to be set into the set remote signaling states if the remote signaling message exists; if the remote signaling message does not exist, adding the remote signaling message, and inserting the remote signaling message into a message queue to be sent.
As a further technical improvement, the downlink message in step S4.5 includes full data calling, remote control, time synchronization and remote pulse, and the processing method is as follows: and (3) processing the full data call: the simulator searches a total call message which is closest to the current call in the messages as full data, responds to the front-end system and completes the whole data call process; the remote control processing comprises the following steps: the simulator generally processes negative and remote control errors and completes the whole remote control process; the time synchronization processing: the simulator returns a message corresponding to the time setting and completes the whole time setting process; the remote pulse processing comprises the following steps: the simulator returns no data and completes the whole time setting process.
As a further technical improvement, the functions of adding and deleting plant stations are further included in the tree structure through the menu in step S2.
As a further technical improvement, each station in step S4.1 independently completes communication with the front-end system, including message restoration and message receiving processing.
Compared with the prior art, the invention has the following beneficial technical effects:
1. According to the invention, the simulator is communicated with the front-end system in real time through message processing, the front-end system can receive messages from the simulator, corresponding stations or all stations can be accessed according to training requirements, the training system is near to an OCS system which is actually operated at maximum infinitely, a trainer can train all contents needing training including a front-end channel, and an evaluator can set corresponding evaluation requirements according to evaluation requirements to evaluate staff participating in an examination.
2. The trained personnel can learn in the system close to the actual running, and the training effect is effectively improved.
3. The examination staff can take the examination in familiar environment, and the actual capability of the examination staff can be reflected to a greater extent.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, and it will be apparent that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be derived from the drawings before the inventive work is not performed for a person of ordinary skill in the art.
Fig. 1 is a block diagram of the workflow of the present invention.
Fig. 2 is a block diagram of the workflow of the communication process.
Detailed Description
Embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
Other advantages and effects of the present disclosure will become readily apparent to those skilled in the art from the following disclosure, which describes embodiments of the present disclosure by way of specific examples. It will be apparent that the described embodiments are merely some, but not all embodiments of the present disclosure. The disclosure may be embodied or practiced in other different specific embodiments, and details within the subject specification may be modified or changed from various points of view and applications without departing from the spirit of the disclosure. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. All other embodiments, which can be made by one of ordinary skill in the art without inventive effort, based on the embodiments in this disclosure are intended to be within the scope of this disclosure.
Examples
As shown in fig. 1-2, the embodiment provides a simulation method of a real-time data simulator of a power grid, which includes the following steps:
s1: entering a QT interface of a simulator, and setting plant parameters;
S2: the simulator reads the configuration file of the station through menu/dialog box operation of the QT interface, automatically matches the channel parameters of the station, generates a tree structure of the station according to the configuration file, sets single station switching/switching, station telemetry, station remote signaling value and station message display functions on the tree structure through the menu, and further comprises functions of adding and deleting stations.
S3: starting Server service through connection button of simulator, waiting for connection of front-end system;
s4: and after the front-end system is connected, carrying out communication processing on the message.
The communication process includes the steps of:
S4.1: the simulator adopts a multithreading technology to respectively establish communication threads for each station, waits for the connection of a front-end system, and continues the next step if the connection is successfully established; if the connection fails, returning to the previous operation; each station independently completes communication with a front-end system, including message restoration and message receiving processing;
S4.2: opening a message file of a corresponding station, and simultaneously restoring the message stored by the station;
S4.3: and (3) finishing the message: performing deletion operations on message translation, redundant characters, downlink messages (remote control, remote pulse, time synchronization, confirmation messages and the like) and the like in the original message to form a usable text message, converting the text message into a 16-system message, and putting the 16-system message into an uploading queue;
S4.4: checking whether telemetry and remote signaling of a factory station are set, if yes, performing telemetry and remote signaling message processing, and putting the telemetry and remote signaling message processing into an uploading queue; the telemetering and remote signaling message processing comprises the steps of simulating the telemetering of a station and simulating the remote signaling of the station; the simulated plant telemetry: the simulator sets a plurality of telemetry values for the factory station through a QT interface, after the telemetry values are set, judges whether the telemetry values of the change telemetry values which are being processed exist or not, if so, modifies the telemetry values to the set values, if not, inserts new telemetry values into the latest change telemetry values, and sends the new telemetry values to the front-end system so as to achieve the purpose of telemetry setting;
the simulated plant station remote signaling: the simulator sets a plurality of remote signaling amounts for the plant station through a QT interface, simulates the operation state of a primary system, such as accident tripping simulation and the like, judges whether a remote signaling message exists in a nearest message after the remote signaling amounts are set, and modifies the remote signaling amounts to be set into the set remote signaling states if the remote signaling message exists; if the remote signaling message does not exist, adding the remote signaling message, and inserting the remote signaling message into a message queue to be sent.
S4.5: the simulator completes message receiving of the front-end system and processes downlink messages issued by the front-end system; the downlink message comprises full data calling, remote control, time synchronization and remote pulse, and the processing method comprises the following steps of: and (3) processing the full data call: the simulator searches a total call message which is closest to the current call in the messages as full data, responds to the front-end system and completes the whole data call process; the remote control processing comprises the following steps: the simulator generally processes negative and remote control errors and completes the whole remote control process; the time synchronization processing: the simulator returns a message corresponding to the time setting and completes the whole time setting process; the remote pulse processing comprises the following steps: the simulator returns no data and completes the whole time setting process.
S4.6: reading the message from the queue according to the protocol of the south network 104, and communicating with a front-end system;
S4.7: the QT interface pops up a call ending dialog box operation, and the communication is ended; if not, the process returns to step S4.3.
It will be clear to those skilled in the art that, for convenience and brevity of description, specific working procedures of the above-described systems, apparatuses and units may refer to corresponding procedures in the foregoing method embodiments, which are not repeated herein.
Claims (3)
1. The simulation method of the power grid real-time data simulator is characterized by comprising the following steps of:
s1: entering a QT interface of a simulator, and setting plant parameters;
S2: the simulator reads the configuration file of the station through menu/dialog box operation of the QT interface, automatically matches the channel parameters of the station, generates a tree structure of the station according to the configuration file, and sets single station switching/backing, station telemetry value and station message display functions on the tree structure through the menu;
s3: starting Server service through connection button of simulator, waiting for connection of front-end system;
S4: after the front-end system is connected, the message is subjected to communication processing;
The communication process includes the steps of:
s4.1: the simulator adopts a multithreading technology to respectively establish communication threads for each station, waits for the connection of a front-end system, and continues the next step if the connection is successfully established; if the connection fails, returning to the previous operation;
S4.2: opening a message file of a corresponding station, and simultaneously restoring the message stored by the station;
S4.3: and (3) finishing the message: deleting message translation, redundant characters and downlink messages in the original message to form a usable text message, converting the text message into a 16-system message, and placing the 16-system message into an uploading queue;
S4.4: checking whether telemetry and remote signaling of a factory station are set, if yes, performing telemetry and remote signaling message processing, and putting the telemetry and remote signaling message processing into an uploading queue;
S4.5: the simulator completes message receiving of the front-end system and processes downlink messages issued by the front-end system;
s4.6: reading the message from the queue according to the protocol of the south network 104, and communicating with a front-end system;
S4.7: the QT interface pops up a call ending dialog box operation, and the communication is ended; if not, returning to the step S4.3;
Step S4.4, telemetry and remote signaling message processing comprises simulating the telemetry of a station and the remote signaling of the station;
The simulated plant telemetry: the simulator sets a plurality of telemetry values for the factory station through a QT interface, after the telemetry values are set, judges whether the telemetry values of the change telemetry values which are being processed exist or not, if so, modifies the telemetry values to the set values, if not, inserts new telemetry values into the latest change telemetry values, and sends the new telemetry values to the front-end system so as to achieve the purpose of telemetry setting;
the simulated plant station remote signaling: the simulator sets a plurality of remote signaling amounts for the plant station through a QT interface, simulates the operation state of a primary system, such as accident tripping simulation and the like, judges whether a remote signaling message exists in a nearest message after the remote signaling amounts are set, and modifies the remote signaling amounts to be set into the set remote signaling states if the remote signaling message exists; if the remote signaling message does not exist, adding the remote signaling message, and inserting the remote signaling message into a message queue to be sent;
The downlink message in step S4.5 includes all data calling, remote control, time synchronization and remote pulse, and the processing method is as follows:
And (3) processing the full data call: the simulator searches a total call message which is closest to the current call in the messages as full data, responds to the front-end system and completes the whole data call process; the remote control processing comprises the following steps: the simulator generally processes negative and remote control errors and completes the whole remote control process;
The time synchronization processing: the simulator returns a message corresponding to the time setting and completes the whole time setting process; the remote pulse processing comprises the following steps: the simulator returns no data and completes the whole time setting process.
2. The simulation method of a power grid real-time data simulator according to claim 1, wherein: in step S2, the functions of adding and deleting plant stations are further included in the tree structure through the menu.
3. The simulation method of a power grid real-time data simulator according to claim 1, wherein: in step S4.1, each station independently completes communication with a front-end system, including message restoration and message receiving processing.
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