CN114066187A - 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 usually built with three systems of OPEN, PCS and DF of the main stream of the OCS for power grid dispatching automation, four simulation stations are accessed, data of other models adopt data of historical sections, limited training and assessment can be performed on power grid dispatching automation technicians, and the training base is different from the OCS in actual operation.
Usually, a power grid dispatching automation OCS (online charging system) constructed by a training base adopts data of a historical section, and has great deviation with an OCS actually operated: the most outstanding part is the part of the front-end system, except for four simulation stations, other stations are in exit states, and the part cannot be trained and examined, so that the training effect is influenced, and the evaluation range is limited. The training system cannot 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 influenced.
Disclosure of Invention
The invention aims to provide a simulation method of a power grid real-time data simulator, which realizes that a trainee learns in a system which is close to actual operation, effectively improves the training effect of training and reflects the actual capability of the trainee.
In order to achieve the purpose, the invention provides a simulation method of a power grid real-time data simulator, which comprises the following steps: s1: entering a QT interface of the simulator, and setting station parameters; s2: the simulator reads in a plant station configuration file through menu/dialog box operation of a QT interface, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, and sets functions of single plant station switching on/off, plant station remote measurement, plant station remote signaling value and plant station message display on the tree structure through a menu; s3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system; s4: and after the front-end system is connected, the message is subjected to communication processing.
As a further technical improvement, the communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: deleting the message translation, the redundant characters, the 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 the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue;
s4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system;
s4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
As a further technical improvement, the step S4.4 of performing telemetry and telecommand message processing includes simulating station telemetry and station telecommand; and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
As a further technical improvement, the downlink message in step S4.5 includes a full data call, a remote control, a time synchronization, and a remote pulse, and the processing methods are as follows: and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process; and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed; and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process; and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
As a further technical improvement, the tree structure in step S2 further includes functions of adding and deleting factory stops through menus.
As a further technical improvement, in step S4.1, each station independently completes communication with the front-end system, including message restoration and message reception.
Compared with the prior art, the invention has the following beneficial technical effects:
1. the simulator is in real-time communication with the front-end system through message processing, the front-end system can receive messages from the simulator and can access to corresponding stations or all stations according to training requirements, the training system is infinitely close to an OCS (online charging system) which is actually operated, a trainer can train all contents which need to be trained and comprise a front-end channel, and an appraiser can set corresponding appraisal requirements according to the appraisal requirements to evaluate the personnel participating in the examination.
2. The trainees can learn in a system close to actual operation, and the training effect is effectively improved.
3. The examination personnel can take the examination in the familiar environment, and the actual ability of the examination personnel can be reflected to a greater extent.
Drawings
In order to illustrate the embodiments of the invention more clearly, reference will now be made to the appended drawings, which are needed for an embodiment of the invention and from which it will be apparent that only some embodiments of the invention are shown and that other drawings may be derived by those skilled in the art without the inventive faculty.
FIG. 1 is a block diagram of the workflow of the present invention.
Fig. 2 is a work flow diagram of a communication process.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
Examples
As shown in fig. 1-2, the present embodiment provides a simulation method of a power grid real-time data simulator, including the following steps:
s1: entering a QT interface of the simulator, and setting station parameters;
s2: the simulator operates through a menu/dialog box of a QT interface, reads in a plant station configuration file, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, sets single plant station switching/reversing, plant station remote measurement, plant station remote signaling values and plant station message display functions through the menu on the tree structure, and further comprises functions of adding and deleting the plant station.
S3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system;
s4: and after the front-end system is connected, the message is subjected to communication processing.
The communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails; each station independently completes communication with the front-end system, including message reduction and message receiving processing;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: deleting the message translation, the redundant characters, the 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 the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue; the remote measuring and remote signaling message processing comprises the steps of simulating remote measuring of a station and simulating remote signaling of the station; and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
S4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system; the downlink message comprises full data calling, remote control, time synchronization and remote pulse, and the processing methods are respectively as follows: and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process; and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed; and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process; and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
S4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
Claims (6)
1. A simulation method of a power grid real-time data simulator is characterized by comprising the following steps:
s1: entering a QT interface of the simulator, and setting station parameters;
s2: the simulator reads in a plant station configuration file through menu/dialog box operation of a QT interface, automatically matches channel parameters of a plant station, generates a tree structure of the plant station according to the configuration file, and sets functions of single plant station switching on/off, plant station remote measurement, plant station remote signaling value and plant station message display on the tree structure through a menu;
s3: starting a Server service through a connection button of the simulator, and waiting for the connection of a front-end system;
s4: and after the front-end system is connected, the message is subjected to communication processing.
2. The simulation method of the power grid real-time data simulator according to claim 1, wherein: the communication processing includes the steps of:
s4.1: the simulator adopts a multithreading technology, a communication thread is respectively established for each station, the connection of a front system is waited, and if the connection is successfully established, the next step is continued; returning to the previous step if the connection fails;
s4.2: opening a message file of a corresponding plant station, and simultaneously restoring a message stored by the plant station;
s4.3: message sorting: performing deletion operation on 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 putting the 16-system message into an uploading queue;
s4.4: checking whether the remote measurement and remote signaling of the station are set, if so, processing the remote measurement and remote signaling messages, and putting the remote measurement and remote signaling messages into an uploading queue;
s4.5: the simulator completes message reception of a front-end system and processes a downlink message issued by the front-end system;
s4.6: reading a message from the queue according to a protocol of a south network 104, and communicating with a front-end system;
s4.7: popping up a conversation ending dialog box operation on the QT interface, and if the selection is yes, ending the communication; no, return to step S4.3.
3. The simulation method of the power grid real-time data simulator according to claim 2, wherein: step S4.4, the remote measurement and remote signaling message processing comprises the steps of simulating remote measurement of a station and simulating remote signaling of the station;
and remote measurement of the simulation station: the simulator sets a plurality of telemetering measurements for a station through a QT interface, judges whether the telemetering measurement exists in the change telemetering measurement being processed after the telemetering measurement is set, modifies the telemetering value as a set value if the telemetering measurement exists, inserts new telemetering measurement in the latest change telemetering measurement if the telemetering measurement does not exist, and transmits the new telemetering measurement to a front-end system to achieve the purpose of telemetering setting;
the simulation plant station remote signaling: the simulator sets a plurality of remote communication quantities for a station through a QT interface, simulates the running state of a primary system, such as accident trip simulation and the like, judges whether a remote communication message exists in a nearest message or not after the remote communication quantities are set, and modifies the remote communication quantity required to be set into a set remote communication state if the remote communication message exists; if there is no remote signaling message, adding the remote signaling message and inserting the remote signaling message into the message queue to be sent.
4. The simulation method of the power grid real-time data simulator according to claim 2, wherein: the downlink message in step S4.5 includes full data call, remote control, time synchronization, and remote pulse, and the processing methods are as follows:
and the processing of the full data call comprises the following steps: the simulator searches a main call message closest to the current call in the message as full data, responds to the front-end system and completes the whole data call process;
and the remote control processing: the simulator generally processes the result as negative, remote control is wrong, and the whole remote control process is completed;
and the time setting process comprises the following steps: the simulator returns a corresponding time synchronization message and completes the whole time synchronization process;
and (3) remote pulse treatment: the simulator returns no data and completes the whole time synchronization process.
5. The simulation method of the power grid real-time data simulator according to claim 1, wherein: the step S2 further includes functions of adding and deleting stations through the menu on the tree structure.
6. The simulation method of the power grid real-time data simulator according to claim 2, wherein: and S4.1, each station independently completes communication with the front-end system, including message reduction and message receiving processing.
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| CN202111304933.6A CN114066187B (en) | 2021-11-05 | Simulation method of power grid real-time data simulator |
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