CN114915562A - Server terminal and simulation method for IEC61850 station control layer network communication service simulation - Google Patents

Server terminal and simulation method for IEC61850 station control layer network communication service simulation Download PDF

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CN114915562A
CN114915562A CN202210408342.1A CN202210408342A CN114915562A CN 114915562 A CN114915562 A CN 114915562A CN 202210408342 A CN202210408342 A CN 202210408342A CN 114915562 A CN114915562 A CN 114915562A
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simulation
data
iec61850
intelligent electronic
electronic equipment
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CN114915562B (en
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姚燕春
罗华煜
周华良
刘千令
郑洁
程德荣
徐广辉
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Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
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Nari Technology Co Ltd
NARI Nanjing Control System Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/14—Network analysis or design
    • H04L41/145—Network analysis or design involving simulating, designing, planning or modelling of a network
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00034—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving an electric power substation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation

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  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Computing Systems (AREA)
  • General Health & Medical Sciences (AREA)
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Abstract

The invention provides a server and a simulation method for IEC61850 station control layer network communication service simulation, wherein a simulation test configuration script is loaded and analyzed to obtain intelligent electronic equipment model data and simulation test behavior parameters required by the full-station intelligent electronic equipment simulation communication service; creating a simulation signal memory real-time database according to the intelligent electronic equipment model data; configuring a network communication environment; creating total-station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment; and aiming at each simulation object, executing IEC61850 communication simulation tasks which are created in batch in a process mode based on the network communication environment, the intelligent electronic equipment model data and the configuration simulation test behavior parameters. According to the invention, by cutting the configuration information of the SCD model in the whole station, a large amount of system resources can be saved; the method can be used for large-order intelligent electronic equipment IEC61850 concurrent communication simulation behaviors in the whole substation.

Description

Server terminal and simulation method for IEC61850 station control layer network communication service simulation
Technical Field
The invention belongs to the application field of a substation automation system, and relates to a simulation method for station control layer network communication service of intelligent electronic equipment of a whole substation based on an IEC61850 standard, in particular to a server and a simulation method for IEC61850 station control layer network communication service simulation.
Background
IEC61850 is the only global universal standard in the field of power system automation, and is widely applied to intelligent substation engineering. The IEC61850 standard defines service primitives, interaction flows and parameters of communication services through an Abstract communication service interface (ACSI for short), and maps the ACSI services to different communication protocols through a Special Communication Service Mapping (SCSM) to implement a specific communication function.
At present, international and domestic detection institutions and electric power secondary equipment manufacturers develop IEC61850 server simulation debugging software, which is usually used for simulating the communication service of single intelligent electronic equipment and mainly used for verifying the consistency of IEC61850 ACSI service. For plant station level system integration debugging and communication performance testing, system simulation is often required to be performed on station control layer communication network communication services formed by hundreds or even hundreds of intelligent electronic devices in a whole station, and meanwhile, communication service ends of the intelligent electronic devices in the whole station, which are deployed on an interlayer, are simulated in batch, so that four-remote (remote signaling, remote measuring, remote controlling and remote adjusting) communication services of the intelligent electronic devices and mass change data communication scenes such as 'avalanche' are simulated. To realize these functions, the data processing capacity and speed of the plant level number of the simulation system are both extremely high: on one hand, the requirements on resources such as a CPU (central processing unit), a memory and the like of the simulation system are high; on the other hand, based on resource bottleneck limitations such as a simulation system CPU and a memory, in the face of a plant-level super-quantity of simulation signals, light-weight design needs to be carried out on the system simulation signals, IEC61850 communication services are reconstructed, and simulation signal data sources of all intelligent electronic devices are managed in real time and in a unified manner.
At present, an intelligent electronic device server based on the IEC61850 standard is simulated, generally, a memory database matched with a model is established by analyzing an intelligent electronic device information model, then IEC61850 server communication service is started, various model information used for simulation is extracted, a virtual signal library is generated, and various communication simulation operations based on an MMS protocol are developed.
At present, for a technical route of single IED device simulation, a model file (CID file, Configured IED Description file) of a single intelligent electronic device is often derived from a Substation total station model Configuration file (SCD file), a complete dynamic model database is created by parsing the CID file, and then model data information required by communication service is extracted from the model database to perform communication service simulation.
If communication services of all intelligent electronic devices in the simulation transformer substation need to be analyzed, the SCD file of the model configuration of the whole substation needs to be analyzed, and hundreds of pieces of equipment model configuration information are loaded. If the simulation database is created based on a complete model, a large amount of system resources are consumed, high requirements are put on a hardware environment for running a simulation system, and the realization on a single machine is difficult.
Disclosure of Invention
The invention aims to provide a station control layer communication service simulation method of a substation total station intelligent electronic device based on IEC61850, which can save a large amount of system resources by analyzing a total station SCD model file, cutting configuration information and establishing IED model data according to the cut configuration information.
In order to achieve the technical purpose, the invention adopts the following technical scheme.
On one hand, the invention provides a service end for IEC61850 station control layer network communication service simulation, which comprises: the information acquisition module is used for loading and analyzing the simulation test configuration script to acquire intelligent electronic equipment model data and simulation test behavior parameters required by the total-station intelligent electronic equipment simulation communication service;
the simulation signal memory real-time database is used for managing simulation real-time data of the intelligent electronic equipment;
the network communication module is used for the station control layer to carry out network communication;
the simulation object creating module is used for creating total station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment;
and the simulation task execution module is used for formulating and executing IEC61850 communication server side simulation tasks which are created in batch in a process mode on the basis of the intelligent electronic equipment model data and the configuration simulation test behavior parameters which are acquired by the network communication module and the information acquisition module aiming at each simulation object created by the simulation object creation module.
Further, the server also comprises a simulation test configuration script generation module, and the simulation test configuration script generation module is used for acquiring the total station SCD model configuration information, cutting the total station SCD model configuration information, and generating a simulation test configuration script according to the simulation behavior of the communication service selected by the substation control layer of the transformer substation.
Still further, the simulation test configuration script generating module obtains the configuration information of the total station SCD model, cuts the configuration information of the total station SCD model to obtain the configuration information for the simulation test, and generates the simulation test configuration script according to the simulation behavior of the communication service selected by the substation control layer of the substation, including:
acquiring names of all intelligent electronic equipment in the whole station, and IP addresses and subnet mask configuration information for station control layer network communication;
acquiring all logical equipment names of the intelligent electronic equipment;
acquiring configuration information of a report control block, wherein the configuration information is based on a common data class to which an object with a single data attribute with specific function constraint in a data set referred by the report control block belongs; traversing the configuration information of all data sets, and recording indexes, data reference paths, descriptions of corresponding data objects, public data classes to which the data objects belong and basic data type information of the data attributes in corresponding data templates of a data attribute set of function constraints FC of each data object in the data sets or a single data attribute with specific function constraints in the data sets;
judging whether the data object is a remote signaling data object, a remote measuring data object or a remote control data object according to the public data class to which each data object in the data set belongs, searching instantiation configuration of the data object with a control function, judging a control mode of the control object according to a configuration value of a control module, judging whether the control attribute of the control object is remote control, remote regulation or remote setting according to the public data class to which the data object belongs, and recording a simulation signal object corresponding to a state value of the control object;
based on functional constraint and specific keywords, retrieving a data integrator data object, acquiring fault recording information for uploading to a protection device, recording a data object for sending a fault recording event, and simulating and triggering the fault recording event;
acquiring protection fixed values and device parameter information based on the data set and the function constraint information of the data objects of the data integrators, and recording fixed value items of the simulation objects; meanwhile, the number of the fixed value areas which should be supported by the simulation object can be obtained by reading the configuration of the maximum allowable number numOfSGs of the fixed value control blocks under the protection logic device.
4. The IEC61850 station control layer network communication service simulation server side as claimed in claim 1, wherein the simulation test behavior parameters comprise simulation signal automatic state sequence parameters and avalanche test, wherein the simulation signal automatic state sequence parameters comprise simulation signal value change upper and lower limits, simulation signal value interval time and simulation signal value change triggering times, and the avalanche test comprises avalanche signal type, avalanche signal value change upper and lower limits, avalanche signal value change interval time and avalanche duration time.
Furthermore, the server also comprises a simulation operation human-computer interface, wherein the simulation operation human-computer interface is used for selecting a remote signaling signal, setting a state value or quality of the remote signaling signal and generating a remote signaling value or quality change event; the simulation operation human-computer interface is also used for selecting the telemetering signal and setting the telemetering value or quality of the telemetering signal to generate a telemetering value change or quality change event;
the simulation task execution module is used for selecting a remote signaling signal, setting a state value or quality of the remote signaling signal, generating a remote signaling value or quality change event, sending the remote signaling value or quality change event to the monitoring system IEC61850 client through a report service, receiving the remote signaling value change event by the IEC61850 client, and checking whether the remote signaling state value or quality is consistent with the simulation; or selecting the telemetry signal and setting the telemetry value or quality of the telemetry signal to generate a telemetry value change or quality change event, sending the telemetry value or quality change event to the IEC61850 client through the report service, and the IEC61850 client receiving the telemetry value change event to check whether the change telemetry state value or quality is consistent with the simulation.
Further, the server receives a remote operation command sent by the IEC61850 client by using the remote control request message, responds to the remote control request message, completes a remote signaling displacement response corresponding to the controlled object, and sends a remote signaling change event to the IEC61850 client;
the server is also used for receiving a remote regulation command sent by the IEC61850 client, the simulation task execution module completes remote regulation value change of the controlled object and sends a state value change event of the controlled object to the IEC61850 client;
and the simulation task execution module is also used for sending a negative response and an additional reason code to the IEC61850 client according to the test strategy, prompting the termination of operation and finally completing the closed loop of the control operation process.
The service end further comprises a simulation operation human-computer interface, the simulation operation human-computer interface is used for selecting a simulated intelligent electronic equipment communication service simulation object, the simulation task execution module is used for simulating to generate a recording event with a recording and generating fault sequence number and sending the recording event to the IEC61850 client, the simulation task execution module is used for simulating to form a recording file name according to the name of the simulated intelligent electronic equipment communication service simulation object, the fault sequence number and the time scale of the recording event and according to a preset format, copying to generate a recording file, and calling the IEC61850 client through the file service, and the IEC61850 client confirms whether the recording completion event is received or not and whether the recording file calling is successful or not.
Furthermore, the simulation task execution module is further configured to perform read-write operation and fixed value region switching operation on the fixed value of the intelligent electronic device according to the fixed value of the intelligent electronic device transmitted by the IEC61850 client; and carrying out a network communication performance test with the IEC61850 client, a network communication stability test with the IEC61850 client and an MMS replacement protocol performance comparison test.
In a second aspect, the invention provides a simulation method for IEC61850 station control layer network communication service, comprising: loading and analyzing a simulation test configuration script to obtain intelligent electronic equipment model data and simulation test behavior parameters required by the total station intelligent electronic equipment simulation communication service;
creating a simulation signal memory real-time database according to the intelligent electronic equipment model data; configuring a network communication environment, wherein the network communication module is used for carrying out network communication by a station control layer; creating total-station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment; aiming at each simulation object, establishing and executing IEC61850 communication simulation tasks which are established in batch in a process mode based on the network communication environment, intelligent electronic equipment model data and simulation test behavior parameters; and managing the real-time simulation data of the intelligent electronic equipment by using the real-time simulation signal memory database.
Further, the method further includes obtaining configuration information of the total station SCD model, cutting the configuration information of the total station SCD model to obtain configuration information for a simulation test, and generating a simulation test configuration script for a simulation behavior of a communication service selected by a substation control layer of the transformer substation, where the configuration information for the simulation test includes:
acquiring names of all intelligent electronic equipment in a total station, and IP addresses and subnet mask configurations for station control layer network communication;
acquiring all logical equipment names of the intelligent electronic equipment;
acquiring configuration information of a report control block, wherein the configuration information is based on a common data class to which an object with a single data attribute with specific function constraint in a data set referred by the report control block belongs; acquiring data items configured by a remote signaling and remote measuring data set from a data set, and recording indexes, data reference paths, descriptions of corresponding data objects, public data classes to which the data objects belong and basic data type information of the data attributes in corresponding data templates of a data attribute set with the same function constraint FC or a single data attribute with specific function constraint in each data item in the data set;
searching instantiation configuration of a data object with a control function according to a public data class to which a data entry data object in a remote signaling data set belongs, judging a control mode of the control object according to a configuration value of a control mode, judging whether a control attribute of the control object is remote control, remote regulation or remote measurement according to the public data class to which the data object belongs, and recording a simulation signal object corresponding to a state value of the control object;
retrieving a data set used for uploading fault recording information of the protection device, recording a data object used for sending the completion of the recording and the fault sequence number, and simulating a trigger recording event;
retrieving a protection fixed value data set and an equipment parameter data set, and recording fixed value items of the simulation object; meanwhile, the number of the fixed value areas which should be supported by the simulation object can be obtained by reading the configuration of the maximum allowable number numOfSGs of the fixed value control blocks under the protection logic device PROT.
The invention has the following beneficial technical effects: the simulation method provided by the invention cuts the SCD model configuration information of the whole station to obtain the intelligent electronic equipment model data and the configuration simulation test behavior parameters required by the simulation communication service of the intelligent electronic equipment of the whole station, so that a large amount of system resources can be saved; the method can be used for large-order intelligent electronic equipment IEC61850 concurrent communication simulation behaviors in a whole substation of a transformer substation, can replace physical equipment by simulating intelligent electronic equipment in batch in parallel, quickly simulate and construct a station-level station control layer network communication environment, provide support for system-level integrated debugging and verification in a complex network environment, bring convenience to communication point-to-point debugging in engineering debugging, such as remote signaling debugging, remote measuring debugging and remote control debugging, and remarkably improve the working efficiency of signal point-to-point debugging; on the other hand, the system supports the automatic state sequence and the avalanche test function of the simulation signal, and provides an effective means for the avalanche performance test and the stability test of the automatic system of the transformer substation.
In addition, the invention creates an IED communication service end simulation task in a process mode based on the IED object in the SCD model file, namely, creates a plurality of communication service tasks for the object by the IED, wherein the tasks exist in a process mode and are independent from each other without coupling.
Drawings
Fig. 1 is an architecture diagram of a simulation system of a total-station intelligent electronic device in an embodiment;
FIG. 2 is a schematic diagram of generating a simulation test configuration script from SCD model configurations in an exemplary embodiment;
FIG. 3 is a schematic diagram of an IED simulation according to an embodiment.
Detailed Description
The invention is further described below with reference to the figures and the specific examples.
Example 1: the IEC61850 station control layer network communication service simulation method comprises the following steps:
the method comprises the following steps: and loading and analyzing the simulation test configuration script to obtain intelligent electronic equipment model data and simulation test behavior parameters required by the total-station intelligent electronic equipment simulation communication service.
In this embodiment, the following method is used to generate the simulation test configuration script in advance, and includes:
analyzing a configuration file of an SCD (substation configuration description) model of a substation automation system, cutting configuration information of the SCD model of the substation aiming at station control layer network communication services (remote signaling, remote measurement, remote control, remote regulation and the like, which are called as 'four remote' for short) of the substation automation system, extracting configuration information required by simulation communication services of intelligent electronic equipment (IED), namely IED model data information related to IED simulation task creation communication services, and configuring simulation test behavior parameters; the simulation test behavior parameters are used for controlling communication simulation behaviors, such as upper and lower limits and interval time of value change of an automatic state sequence, interval time, duration time and signal type of an avalanche signal.
In order to facilitate and load the model configuration information quickly, in this embodiment, a Test configuration script (TSC) of the communication service is generated according to the extracted configuration information and the simulation Test behavior parameters.
Step two: configuring a total-station network communication environment based on the intelligent electronic equipment communication parameters in the simulation test configuration script; creating total-station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment; establishing a lightweight simulation signal memory real-time database based on four-remote data information and simulation test behavior parameters in the simulation test configuration script; the simulation signal memory real-time database is used for managing simulation signal real-time data and providing a read-write access interface of the signal real-time data to the outside. Simulation signal objects in the simulation signal memory real-time database are created based on IED model data information, such as a fixed value control block, a control object, a data set, and the like.
Step three: and aiming at each simulation object, establishing and executing IEC61850 communication simulation tasks which are created in batch in a process mode based on the network communication environment, the intelligent electronic equipment model data and the configuration simulation test behavior parameters.
As shown in fig. 2, the specific method of step one is as follows:
1) analyzing a SCD model file (Substation Configuration Description) of the whole station, and acquiring names of all intelligent electronic devices (IEd) of the whole station, IP addresses used for station control layer network communication and subnet mask Configuration;
2) acquiring all Logical Device (LD) names of the intelligent electronic equipment from the total-station SCD model file, and using the names to read the logical Device names by the simulation server in response to the IEC61850 client GetServerDirectory service;
3) acquiring report control block configuration information from a total station SCD model file, and confirming a data set for a remote signaling or remote measuring function according to the name of the report control block and the name of a data set quoted by the report control block;
4) acquiring data items configured by a remote signaling and remote measuring data set from the data set, and recording a data attribute set (FCD) of each data item, wherein the data items have the same function constraint FC; FC, Functional constraints) or FCDA (single Data attribute with specific Functional constraint FC) in the Data set, Data Reference path (Reference), description of the corresponding Data Object (DO, Data Object), Common Data Class (CDC) to which the Data Object belongs, and basic Data type (BDA) of the Data Attribute (DA) in the corresponding Data template;
5) and searching instantiation configuration of DO with a control function according to CDC of data entries in the remote signaling data set, judging whether the data object is a remote control object and a remote adjusting object according to a configuration value of a control mode (CtlModel), and recording a state remote signaling object corresponding to the control object.
6) And searching a data set for uploading fault recording information of the protection device, and recording a data object for sending a recording completion (RcdMade) and a fault serial number (FltNum) for simulating a trigger recording event.
7) Retrieving a protection fixed value data set and an equipment parameter data set, and recording fixed value items of the simulation object; meanwhile, the numOfSGs configuration of the fixed value control block SGCB under the protection logic device PROT is read, so that the number of the fixed value areas which should be supported by the simulation object can be obtained.
8) Configuring simulation test behavior parameters, including selecting a triggered signal, setting a signal change time interval, triggering times and the like, and finally generating a simulation test configuration script.
And analyzing the simulation test configuration script by the communication simulation task, realizing the simulation of the station control layer network communication behavior of the total station IED, and developing the communication point-to-point test, the signal avalanche test and the system stability test of an automatic system by matching with the automatic monitoring system of the transformer substation.
The second method comprises the following steps:
1) establishing a human-computer interface operation main process of a simulation system, loading a simulation test configuration script, and establishing various data operation and display interfaces of a simulation object, such as remote signaling, remote measuring, remote control, remote regulation and the like by taking an IED as the object; and establishing a shared memory by taking the IED as an object, wherein the shared memory is used for the simulation data and information interaction of the man-machine operation main task and the IEC61850 communication simulation task. The human-computer interface operation main process is responsible for loading and analyzing the model file, creating a simulation signal real-time database, and creating various simulation signal views and simulation operations by taking the IED as an object; the main process is also responsible for the creation and management of each communication service subprocess, simulation operation, real-time database management and the like.
2) And loading a test script based on the IED simulation object, namely acquiring respective simulation data information and simulation behavior parameters from a script file, creating a simulation signal memory real-time database, creating IEC61850 communication simulation tasks in batches, and realizing concurrent operation of IEC61850 communication services.
3) And according to the network protocol configuration in the script, completing initialization of a primary SOCKET (SOCKET) of a communication service terminal based on an MMS or CMS protocol, and responding to a communication connection request of a monitoring system IEC61850 client to establish communication connection.
In the third step, an intelligent electronic equipment IEC61850 simulation task is started, and the function tests of total station intelligent remote signaling, remote measurement, remote control, remote regulation and the like, the performance test and the stability test of the monitoring system signal avalanche are realized, wherein the method comprises the following steps:
a first simulation process, remote signaling point-to-point function debugging: setting a state value of a simulation data object on a human-computer operation interface of the simulation system, generating a remote signaling change event, sending the remote signaling change event to an IEC61850 client of the monitoring system by an IEC61850 communication service subtask, and checking whether a remote signaling record is consistent with the description of the simulation object or not by the monitoring system.
And in the simulation process II, remote measurement and point function debugging: the debugging method is similar to the remote signaling function, remote measurement values or quality of simulation data objects are set on a remote measurement data set interface of a simulation server side, change remote measurement is generated, then the simulation data objects are uploaded through IEC61850 communication subtasks, and observation and confirmation are carried out on a monitoring system interface.
And (3) simulation process three, remote control function debugging: selecting a remote control object in the monitoring system to send a remote control operation command, finishing remote signaling deflection response corresponding to the controlled object by the simulation server, and sending a remote signaling change event to the client; or according to the strategy of the test configuration script, sending a negative response and an additional reason code to the client, prompting the termination of the operation, and finally completing the closed loop of the control operation process.
And fourthly, remote adjusting function debugging: selecting a remote regulation object in a monitoring system to send a remote regulation command, finishing remote regulation value change of a controlled object by a simulation server side, and sending a change event to a client side; or according to the strategy of the test configuration script, sending a negative response and an additional reason code to the client, prompting the termination of the operation, and finally completing the closed loop of the control operation process.
And (5) a simulation process is five, and a fault recording function is debugged: and selecting a simulation IED on a human-computer operation interface of the simulation system, generating a simulation object of the wave recording information, simulating and generating a wave recording event of a wave recording completion (RcdMade) and a fault serial number (FltNum), and uploading the wave recording event to the client. And meanwhile, according to the name of the simulation IED, the fault sequence number and the time scale of the recording event, forming a recording file name according to a preset format, copying to generate a recording file for the IEC61850 client to call through the file service, and confirming whether the recording completion event is received and whether the recording file call is successful or not in the monitoring system.
A simulation process six, a fixed value function test: and calling and modifying the constant value of the simulation IED through IEC61850 constant value service on a monitoring system constant value operation interface.
And a seventh simulation process, testing the communication performance of the monitoring system: simulating an avalanche signal of the intelligent electronic equipment in the whole station based on avalanche test behavior parameters such as signal triggering time interval, duration and the like in script configuration, testing the network communication processing capacity of the monitoring system, and observing whether the monitoring system runs normally, whether the communication connection with the intelligent electronic equipment is normal, whether the signal is lost, the consumption load conditions of a CPU (Central processing Unit) and a memory resource and the like.
And eighthly, testing the communication stability of the monitoring system: and simulating the actual running state of the total station intelligent electronic equipment based on the stability test behavior parameters in the script configuration (the remote measurement value changes frequently, and the remote signaling value and the protection event can change or do not change for a long time). The intelligent electronic equipment IEC61850 communication service subprocess records abnormal information of communication in real time, such as disconnection, reconnection and the like, and the communication operation state of the monitoring system can be monitored and analyzed in real time through the diagnostic information.
And in the ninth simulation process, IEC61850 clients such as a substation monitoring system and the like are started, communication connection based on an MMS (multimedia messaging service) protocol or a CMS (content management system) protocol is established with a total station intelligent electronic equipment simulation object, and various operations such as integrated debugging of functions such as 'four-remote' of a substation automation system, network communication performance and stability test of a station control layer system and the like are performed.
MMS replacement protocol (CMS) performance control test: based on the simulation operation interface, different communication protocols (MMS or CMS protocols) are switched and selected, a communication service process is started, communication simulation is respectively carried out on the communication service process and the monitoring system, and network messages are captured for comparison and analysis. Optionally, the performance of coding and decoding, and the real-time ratio of message transmission can be equal.
The IEC61850 is widely applied to a domestic substation automation system at present, a substation control layer communication protocol (CMS) of the substation is adopted to replace an MMS protocol to realize the ACSI service mapping of the IEC61850, the applicability and superiority of the technical scheme of adopting the CMS protocol to replace the MMS protocol need to be contrastingly demonstrated, the consistency of the integrated configuration of the automation system needs to be verified, and the communication performance and stability of the substation control layer network after the MMS protocol is replaced are tested. At present, a factory station level-oriented system is integrated and debugged and tested in communication performance, and meanwhile, IEC61850 station control layer communication server simulation of a CMS protocol and an MMS protocol is supported, and an effective means is lacked.
The simulation method disclosed by the invention simultaneously supports MMS and a transformer substation control layer localization CMS communication protocol, can be used for comparing and verifying the applicability and superiority of the MMS alternative scheme, and has positive and important significance for promoting the autonomous control of the core network protocol stack technology of the localization transformer substation automation system.
The whole simulation method provided by the invention is used for simulating IEC61850 communication service, realizes the function of a service end of the communication service, and the IEC61850 client only can be a debugging tool of the client of the communication service and can also monitor a SCADA (Supervisory control and data acquisition) machine system (with the IEC61850 communication service function), and is not important as a patent description IEC61850 client.
The simulation object is mainly used for testing the communication service capability of the IEC61850 communication service (client) of the monitoring system. The monitoring system obtains model information of an Intelligent Electronic Device (IED) of the total station by analyzing an SCD (Substation Configuration Description) file, where the model information mainly includes remote signaling, remote measuring, remote controlling, setting and the like.
The SCD file is a collection of full-station intelligent electronic device model information CID (instantiated IED model description file) model files, which are used by IED communication service simulation (service side), and here, the model information of the IED is directly extracted from the SCD model file without using CID model file.
The client communicates with the server based on communication service to acquire data, wherein remote signaling or remote measuring data passes through report service, fixed value passes through fixed value service (read-write value service), and fault recording waveform files pass through file service and the like. The data flow is to the problem solved by the IEC61850 communication service, and does not need to be specifically explained.
Based on the same inventive concept, corresponding to the IEC61850 station control layer network communication service simulation method provided in the above embodiment, the specific embodiment of the present invention also provides a service end for IEC61850 station control layer network communication service simulation, including:
the information acquisition module is used for loading and analyzing the simulation test configuration script to acquire intelligent electronic equipment model data and simulation test behavior parameters required by the total-station intelligent electronic equipment simulation communication service;
the simulation signal memory real-time database is used for managing simulation real-time data of the intelligent electronic equipment;
the network communication module is used for the station control layer to carry out network communication;
the simulation object creating module is used for creating total station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment;
and the simulation task execution module is used for formulating and executing IEC61850 communication server side simulation tasks which are created in batch in a process mode on the basis of the intelligent electronic equipment model data and the configuration simulation test behavior parameters which are acquired by the network communication module and the information acquisition module aiming at each simulation object created by the simulation object creation module.
It can be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the system, the apparatus, and the module described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

  1. The IEC61850 station control layer network communication service simulation server side is characterized by comprising:
    the information acquisition module is used for loading and analyzing the simulation test configuration script to acquire intelligent electronic equipment model data and simulation test behavior parameters required by the total-station intelligent electronic equipment simulation communication service;
    the simulation signal memory real-time database is used for managing simulation real-time data of the intelligent electronic equipment;
    the network communication module is used for the station control layer to carry out network communication;
    the simulation object creating module is used for creating total station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment;
    and the simulation task execution module is used for formulating and executing IEC61850 communication server side simulation tasks which are created in batch in a process mode on the basis of the intelligent electronic equipment model data and the configuration simulation test behavior parameters which are acquired by the network communication module and the information acquisition module aiming at each simulation object created by the simulation object creation module.
  2. 2. The IEC61850 station control layer network communication service simulation server of claim 1, wherein the server further comprises a simulation test configuration script generating module, and the simulation test configuration script generating module is configured to obtain the total station SCD model configuration information, clip the total station SCD model configuration information, and generate a simulation test configuration script according to the simulation behavior of the communication service selected by the substation control layer of the transformer substation.
  3. 3. The IEC61850 station control layer network communication service simulation server of claim 2, wherein the simulation test configuration script generating module obtains total station SCD model configuration information, cuts the total station SCD model configuration information to obtain configuration information for simulation test, and generates the simulation test configuration script according to the simulation behavior of the selected communication service of the station control layer of the transformer substation, comprising:
    acquiring names of all intelligent electronic equipment in the whole station, and IP addresses and subnet mask configuration information for station control layer network communication;
    acquiring all logical equipment names of the intelligent electronic equipment;
    acquiring configuration information of a report control block, wherein the configuration information is based on a common data class to which an object with a single data attribute with specific function constraint in a data set referred by the report control block belongs; traversing the configuration information of all data sets, and recording indexes, data reference paths, descriptions of corresponding data objects, public data classes to which the data objects belong and basic data type information of the data attributes in corresponding data templates of a data attribute set of function constraint FC of each data object in the data sets or a single data attribute with specific function constraint in the data sets;
    judging whether the data object is a remote signaling data object, a remote measuring data object or a remote control data object according to the public data class to which each data object in the data set belongs, searching instantiation configuration of the data object with a control function, judging a control mode of the control object according to a configuration value of a control module, judging whether the control attribute of the control object is remote control, remote regulation or remote setting according to the public data class to which the data object belongs, and recording a simulation signal object corresponding to a state value of the control object;
    based on functional constraint and specific keywords, retrieving a data integrator data object, acquiring fault recording information for uploading to a protection device, recording a data object for sending a fault recording event, and simulating and triggering the fault recording event;
    acquiring protection fixed values and device parameter information based on the data set and the function constraint information of the data objects of the data integrators, and recording fixed value items of the simulation objects; meanwhile, the number of the fixed value areas which should be supported by the simulation object can be obtained by reading the configuration of the maximum allowable number numOfSGs of the fixed value control blocks under the protection logic device.
  4. 4. The IEC61850 station control layer network communication service simulation server side as claimed in claim 1, wherein the simulation test behavior parameters comprise simulation signal automatic state sequence parameters and avalanche test, wherein the simulation signal automatic state sequence parameters comprise simulation signal value change upper and lower limits, simulation signal value interval time and simulation signal value change triggering times, and the avalanche test comprises avalanche signal type, avalanche signal value change upper and lower limits, avalanche signal value change interval time and avalanche duration time.
  5. 5. The IEC61850 station control layer network communication service simulation server side according to claim 1, wherein the server side further comprises a simulation operation human-computer interface, and the simulation operation human-computer interface is used for selecting a remote signaling signal, setting a state value or quality of the remote signaling signal, and generating a remote signaling value or quality change event; the simulation operation human-computer interface is also used for selecting the telemetering signal and setting the telemetering value or quality of the telemetering signal to generate a telemetering value change or quality change event;
    the simulation task execution module is used for selecting a remote signaling signal, setting a state value or quality of the remote signaling signal, generating a remote signaling value or quality change event, sending the remote signaling value or quality change event to the IEC61850 client of the monitoring system through a report service, receiving the remote signaling value change event by the IEC61850 client, and checking whether the remote signaling state value or quality is consistent with the simulation; or selecting the telemetry signal and setting the telemetry value or quality of the telemetry signal to generate a telemetry value change or quality change event, sending the telemetry value or quality change event to the IEC61850 client through the report service, and the IEC61850 client receiving the telemetry value change event to check whether the change telemetry state value or quality is consistent with the simulation.
  6. 6. The IEC61850 station control layer network communication service simulation server side as claimed in claim 1, wherein the server side receives a remote operation command sent by an IEC61850 client side through a remote control request message, responds to the remote control request message, completes a remote signaling deflection response corresponding to a controlled object, and sends a remote signaling change event to the IEC61850 client side;
    the server is also used for receiving a remote regulation command sent by the IEC61850 client, the simulation task execution module completes remote regulation value change of the controlled object and sends a state value change event of the controlled object to the IEC61850 client;
    and the simulation task execution module is also used for sending a negative response and an additional reason code to the IEC61850 client according to the test strategy, prompting the termination of operation and finally completing the closed loop of the control operation process.
  7. 7. The IEC61850 station control layer network communication service simulation server side as claimed in claim 1, wherein the server side further comprises a simulation operation human-computer interface, the simulation operation human-computer interface is used for selecting a simulated intelligent electronic device communication service simulation object, the simulation task execution module is used for simulating to generate a recording event with a recording sequence number and sending the recording event to the IEC61850 client side, the simulation task execution module is used for simulating to form a recording file name according to the name of the simulated intelligent electronic device communication service simulation object, the fault sequence number and the time scale of the recording event, according to a preset format, to copy and generate a recording file, so that the IEC61850 client side can call through file service, and the IEC61850 client side can confirm whether the recording completion event is received or not and whether the recording file call is successful or not.
  8. 8. The IEC61850 station control layer network communication service simulation server side as claimed in claim 1, wherein the simulation task execution module is further configured to perform read-write operation and fixed value region switching operation on the fixed value of the intelligent electronic device according to the fixed value of the intelligent electronic device transmitted by the IEC61850 client; and carrying out a network communication performance test with the IEC61850 client, a network communication stability test with the IEC61850 client and an MMS replacement protocol performance comparison test.
  9. The IEC61850 station control layer network communication service simulation method is characterized by comprising the following steps: loading and analyzing a simulation test configuration script to obtain intelligent electronic equipment model data and simulation test behavior parameters required by the total-station intelligent electronic equipment simulation communication service;
    creating a simulation signal memory real-time database according to the intelligent electronic equipment model data; configuring a network communication environment, wherein the network communication module is used for carrying out network communication by a station control layer; creating total-station intelligent electronic equipment communication service simulation objects in batches based on all intelligent electronic equipment; aiming at each simulation object, establishing and executing IEC61850 communication simulation tasks which are established in batch in a process mode based on the network communication environment, intelligent electronic equipment model data and simulation test behavior parameters; and managing the real-time simulation data of the intelligent electronic equipment by using the real-time simulation signal memory database.
  10. 10. The IEC61850 site control layer network communication service simulation method of claim 9, further comprising obtaining total station SCD model configuration information, and clipping the total station SCD model configuration information to obtain configuration information for simulation testing, and generating a simulation test configuration script for simulation behavior of a selected communication service of a substation site control layer, wherein the configuration information for simulation testing comprises:
    acquiring names of all intelligent electronic equipment in the whole station, and IP addresses and subnet mask configurations for station control layer network communication;
    acquiring all logical equipment names of the intelligent electronic equipment;
    acquiring configuration information of a report control block, wherein the configuration information is based on a common data class to which an object with a single data attribute with specific function constraint in a data set referred by the report control block belongs; acquiring data items configured by a remote signaling and remote measuring data set from a data set, and recording indexes, data reference paths, descriptions of corresponding data objects, public data classes to which the data objects belong and basic data type information of the data attributes in corresponding data templates of a data attribute set with the same function constraint FC or a single data attribute with specific function constraint in each data item in the data set;
    searching instantiation configuration of a data object with a control function according to a public data class to which a data entry data object in a remote signaling data set belongs, judging a control mode of the control object according to a configuration value of a control module, judging whether the control attribute of the control object is remote control, remote regulation or remote measurement according to the public data class to which the data object belongs, and recording a simulation signal object corresponding to a state value of the control object;
    retrieving a data set used for uploading fault recording information of the protection device, recording a data object used for sending the recording completion and the fault sequence number, and simulating a trigger recording event;
    retrieving a protection fixed value data set and an equipment parameter data set, and recording fixed value items of the simulation object; meanwhile, the number of the fixed value areas which should be supported by the simulation object can be obtained by reading the configuration of the maximum allowable number numOfSGs of the fixed value control blocks under the protection logic device PROT.
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