CN110535236B - Intelligent substation bay level simulation self-acceptance system and method - Google Patents
Intelligent substation bay level simulation self-acceptance system and method Download PDFInfo
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- CN110535236B CN110535236B CN201910670231.6A CN201910670231A CN110535236B CN 110535236 B CN110535236 B CN 110535236B CN 201910670231 A CN201910670231 A CN 201910670231A CN 110535236 B CN110535236 B CN 110535236B
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Abstract
The invention discloses a simulated self-acceptance system and a simulated self-acceptance method for a bay level of an intelligent substation, wherein the system comprises a scheduling system, a remote machine positioned in a safety I area of the substation, a point-aligning system and an in-station OMS host machine positioned in a safety II area of the substation; the point-to-point system obtains a check and acceptance card file issued by the scheduling system through an OMS host in the station, obtains a pre-generated forwarding configuration file through a telemechanical, performs static checking on the obtained check and acceptance card file and the forwarding configuration file, issues a point-to-point starting command to a point-to-point system accessed to the intelligent substation spacer layer network through the telemechanical for the check and acceptance card file passing the checking, and receives the point-to-point starting command to perform automatic point-to-point operation by the point-to-point system. The invention can realize automatic checking and accepting of the point-to-point on the spacer layer of the intelligent substation and improve the efficiency of dispatching point-to-point transmission.
Description
Technical Field
The invention relates to a simulation self-checking acceptance system and method for an intelligent substation bay level, and belongs to the technical field of intelligent substations.
Background
The dispatching system is a central control center of the operation and control of the power grid, the change and the control of the operation mode of the power grid are executed through a transformer substation, and the dispatching system monitors and controls the transformer substation through a data channel and communication between the dispatching system and the transformer substation. Therefore, the accuracy of data transmission between the substation and the dispatching system is one of the key bases for ensuring the stable operation of the power grid.
The current method for checking information between the intelligent substation and the dispatching system adopts the following steps: the process of the primary equipment → the process layer equipment → the bay layer device → the station end monitoring system → the scheduling main station system has the technical problems of easy error in the debugging process, more inspection links, low transmission efficiency of scheduling information and the like due to the complex communication link, more intermediate links, different levels of system database makers and the like. Such as: in the process of building a new substation, firstly, station end system builders make information point tables of a substation monitoring system according to a blueprint of a design institute, then all levels of power grid dispatchers select the information point tables forming the dispatching system according to the information point tables provided by the station ends, and finally the point tables are returned to the station end building personnel to make all levels of dispatching forwarding tables of a remote machine, and in the actual transmission process, the station end debugging personnel perform one-time actual action equipment or perform signal transmission through a protection and dispatching system. The disadvantages of this point-to-point operation are: since the station end monitoring system and the actual primary equipment are in signal transmission before the station end monitoring system and the actual primary equipment are in signal transmission again, repeated work is caused; in a new station construction period, due to the delay of the construction of a channel of the dispatching system, the point aligning process with the dispatching system is generally carried out at the last stage of construction, so that the transmission process is time tight and heavy in task, and the workload of system operation and maintenance personnel is greatly increased; in addition, in the process of modifying a station control layer system of an old transformer substation or the process of modifying a dispatching system, if the system needs to be replaced or the system in the substation needs to be updated, all levels of dispatching forwarding tables are necessarily manufactured again, at the moment, because primary equipment in the substation is running equipment, transmission of corresponding signals cannot be carried out after replacement, only part of position information can be checked and telemetering data can be checked, other data can be completed only after relevant interval power failure maintenance, and potential safety operation hazards of an electric power system exist.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a simulation self-acceptance system and method for an intelligent substation bay level, which can realize automatic acceptance of the bay level point of the intelligent substation and improve the efficiency of point-to-point transmission of a dispatching system.
In order to achieve the purpose, the invention is realized by adopting the following technical scheme:
in a first aspect, the invention provides an intelligent substation bay level simulation self-acceptance system, which comprises a scheduling system, a remote machine located in a substation safety I area, a point-to-point system and an in-station OMS host located in a substation II area;
the point-to-point system obtains a check and acceptance card file issued by the scheduling system through an OMS host in the station, obtains a pre-generated forwarding configuration file through a telemechanical, performs static checking on the obtained check and acceptance card file and the forwarding configuration file, issues a point-to-point starting command to a point-to-point system accessed to the intelligent substation spacer layer network through the telemechanical for the check and acceptance card file passing the checking, and receives the point-to-point starting command to perform automatic point-to-point operation by the point-to-point system.
With reference to the first aspect, further, the substation security I area and the substation security II area are communicatively connected through a firewall.
With reference to the first aspect, further, the peer-to-peer system is configured with a display, and is capable of displaying the static checking result through a graphical interface.
With reference to the first aspect, further, the peer-to-peer system is configured with multiple network cards, each spacer-layer IED device can be communicatively connected to the peer-to-peer system through a designated network card, and each network card supports simulation of multiple IED devices on the premise that the data transmission speed meets the requirement.
With reference to the first aspect, further, the peer-to-peer system is an industrial computer installed with a Linux operating system, and the graphical interface development language is a Qt/Motif type language of Linux.
In a second aspect, the invention provides a simulated self-acceptance method for a bay level of an intelligent substation, which adopts the system, and comprises the following steps:
acquiring a check card file issued by a scheduling system through an OMS host in a station, and acquiring a pre-generated forwarding configuration file through a telemechanical;
performing static checking on the acquired acceptance card files and forwarding configuration files;
and for the check card file passing the check, the dispatching system sends a point-to-point starting command to the point-to-point system through the remote engine, and the point-to-point system receives the point-to-point starting command to perform automatic point-to-point operation.
With reference to the second aspect, further, the method further includes: and displaying the static checking result through a graphical interface, and performing automatic point-aligning operation on the checking result which passes the checking only after the checking result is confirmed by operation and maintenance personnel.
In combination with the second aspect, further, the acceptance card file includes: a required point-to-point four-remote point number, a required point-to-point description and a required point-to-point data channel network parameter;
correspondingly, the forwarding configuration file comprises: the number of the four remote points, the description, the signal reference name corresponding to the SCD and the configuration information of the channel corresponding to the forwarding information.
With reference to the second aspect, further, the peer-to-peer operation includes: carrying out remote signaling and remote measuring data change simulation according to a preset point rule; and returning a corresponding position signal according to the received remote control command.
With reference to the second aspect, further, the method for peer-to-peer operation includes the following steps:
simulating related interlayer IED equipment needing point-to-point four remote control;
simulating the interlayer IED equipment to establish a link with the remote motor;
simulating indexes of data points related to the forwarding configuration file and the verification card file according to a preset point-to-point rule;
for remote signaling, carrying out pre-closing and post-division simulation according to a remote signaling forwarding sequence number;
and for the remote measurement order, simulating according to the rule of setting all 0 values, setting all sequence numbers and increasing.
Compared with the prior art, the intelligent substation bay level simulation self-acceptance system and the method provided by the embodiment of the invention have the beneficial effects that:
the whole checking and accepting process does not need artificial interference, the checking and accepting can be automatically realized, the secondary transmission process of the transformer substation and the dispatching system is accelerated, the method is particularly suitable for various application occasions needing a large amount of checking information, such as the large amount of signal transmission between a newly-built transformer substation and a main station, the upgrading of a monitoring system of an old transformer substation, the upgrading of a dispatching system and the like, and the accuracy and the time consumption of the signal transmission work of the dispatching system and a substation system of the transformer substation can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of a simulated self-acceptance system for an intelligent substation bay level according to an embodiment of the present invention;
fig. 2 is a flowchart of a simulated self-acceptance method for a bay level of an intelligent substation, provided by an embodiment of the invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1, the schematic structural diagram of the simulated self-acceptance system for the bay level of the intelligent substation provided by the embodiment of the present invention includes a scheduling system, a remote machine located in a security I area of the substation, a point-to-point system, and an intra-station OMS host located in a security II area of the substation, where the security I area of the substation and the security II area of the substation are connected through firewall communication. The point-to-point system is provided with a plurality of network interfaces and can be simultaneously connected with the interlayer switch and the firewall of the transformer substation security I interval. The remote machine (i.e. the I-zone gateway machine in the station), the monitoring host in the station and the bay level equipment are respectively connected to the I-zone bay level switch, so that the communication interconnection of all parts is realized. The peer-to-peer system can import a check card file issued by a scheduling system to an OMS host in a station through a firewall, acquire a pre-generated forwarding configuration file through a telemechanical, and perform static checking on the acquired check card file and the forwarding configuration file; after the checking is passed, the dispatching system sends a point-to-point starting command to the point-to-point system through the remote engine, and the point-to-point system receives the point-to-point starting command to carry out automatic point-to-point operation, wherein the automatic point-to-point operation comprises the following steps: the method comprises the steps of automatically simulating interlayer equipment needing to be aligned, establishing a link to communicate with a moving machine, carrying out remote signaling and remote data change simulation according to a preset alignment rule, receiving a master station remote control command and returning a corresponding position signal.
In the embodiment of the invention, the point-to-point system can be a portable industrial computer, a Linux operating system is installed, the support of a plurality of network cards can be provided, a plurality of spacer layer devices can be virtualized, each spacer layer device can be appointed to simulate a network interface, and a single network card can support the simulation of a plurality of IED devices on the premise of meeting the data transmission speed.
The industrial computer is provided with a display for outputting and displaying a static checking result, and the graphical interface development language can be selected from Qt/Motif type languages based on Linux, has the characteristics of friendly and intuitive interface and can support the functions of a keyboard, a mouse or a touch screen. The industrial computer can read the acceptance card files under the specified directory of the OMS host in the substation through I and II zone firewalls in the substation through security file protocols SFTP, SCP and the like.
The verification card file should contain all data information that needs to be checked, such as: scheduling point number, scheduling signal name, scheduling channel number and related parameters and the like. The static checking of the acceptance card file refers to: according to the contents of the check and acceptance card and the configuration contents of the remote-control machine, static contents of data needing to be checked in the aspects of channel parameters, data point information and the like are compared, operation and maintenance personnel can conveniently check and confirm inconsistent contents through the difference of the contents of the checked points displayed in a man-machine interface, and automatic checking can be performed only when the check and acceptance card is checked correctly.
The forwarding configuration file includes: the four remote points number, description, signal REFERENCE name REFERENCE corresponding to SCD, configuration information of channels corresponding to forwarding information and other information of the telecontrol basic forwarding data can be designed in a fixed format so as to be convenient for keeping compatibility with telecontrol equipment of various manufacturers.
The peer-to-peer start command can adopt a remote control mode of presetting a special peer number by a master station, the command IED equipment is virtually received in the peer-to-peer system, a communication link between the command IED equipment and remote control is started, the virtual IED equipment is configured in a remote control machine in the station, after the peer-to-peer start command is issued to the remote control machine, the remote control machine issues to the virtual IED equipment through a network port on a lower interlayer in the station, and the virtual IED equipment receives the command and feeds back to the peer-to-peer system for relevant processing.
The point-aligning system can simulate a plurality of sets of bay level equipment to automatically change data according to rules, can automatically simulate relevant bay level devices needing point aligning at four remote places after receiving a point-aligning starting command, simulate the devices to establish links with a telecontrol machine (break the links of telecontrol and original actual measurement and control protection in advance), simulate the setting number of relevant data points in a transmission configuration file and an acceptance card file according to a preset rule after establishing the links (clear all data before setting the setting number), then remotely communicate to simulate the setting and the distribution according to a remote signaling transmission serial number, the interval time of each point is 5ms (can be set), and the remote measurement can be simulated according to the rule of setting all 0 value → setting all serial number value + increment.
The whole point-to-point acceptance process of the acceptance system provided by the embodiment of the invention is completely automatic, manual interference is not needed, the point-to-point transmission efficiency of the dispatching system can be improved, the acceptance result can verify the configuration of a remote motivation and the correctness of data association, and the correctness of the migration data content of the main station database and the correctness of multi-channel data under the condition of upgrading and transforming the dispatching system can be verified. The method is particularly suitable for various application occasions needing a large amount of checking information, such as large-amount signal transmission between a newly-built transformer substation and a main station, old transformer substation monitoring system upgrading, dispatching system upgrading and the like, and can greatly improve the accuracy and time consumption of signal transmission work of a dispatching system and a transformer substation system. It should be noted that: before the check-in of the points is made, the link between the bay level device and the telemechanical, which requires automatic point-in, should be disconnected. In order to further improve the reliability of the checking result, after the static checking result is confirmed by a person, the point aligning process is started.
As shown in fig. 2, the flowchart is a flowchart of a simulated self-acceptance method for a bay level of an intelligent substation provided by an embodiment of the present invention, and includes the following steps:
1. reading a checking and accepting card file issued by the dispatching system through an OMS host in the station: the check card file is manufactured by the OMS system at the dispatching end. The check card file adopts an E language file format commonly used by the power system, so that the synchronous reading and identification of the master station and the substation are facilitated. The read OMS system node related information configuration part is needed to be arranged on a simulation system of the station end and comprises information such as an IP address of an OMS host in the station and a magnetic disk path stored in an acceptance card file, and therefore operation and maintenance personnel can conveniently conduct configuration according to actual conditions of different transformer substations by the substation end.
2. Importing the database configuration of the original remote motivation: in order to be compatible with the condition that a transformer substation is a manufacturer of different monitoring systems, a forwarding configuration file with a fixed format is required to be unified, and the file at least comprises forwarding table data (point numbers, descriptions, coefficients and the like), forwarding channel parameters, combined signal data, total accident data, total telemetering data and the like, so that the forwarding configuration file can be compared with relevant information in an acceptance card and shows differences, the signal data, the total accident data and the total telemetering data can obtain data sources, and a corresponding data source can be arranged in the next simulation process to check the correctness of data configuration.
3. And (3) comparing the consistency of the check card with the telecontrol data: according to the data content obtained in the above two steps, by comparing item by item, the difference part is displayed, such as: the consistency of data channel parameters is compared firstly, the consistency of data uploading point numbers is compared secondly, the consistency of uploading content description is compared finally, the interface has the display contrast of inconsistent and consistent parts, manual confirmation is needed in the inconsistent part, and the next transmission of simulating point-to-point self-acceptance can be carried out only on all confirmed acceptance card documents.
4. Receiving the remote end configuration of the virtual IED equipment by the starting command: the cid model of the IED of the virtual command receiving device needs to be imported into the total station SCD file, and a virtual remote control point (the point number may be a non-repeating large number of point numbers such as 999, 1000, \ 8230;) for starting the point-to-point command is added in the schedule forwarding table, and the remote control point is associated with different DO objects of the command receiving device.
5. The start command receives a link start of the virtual IED device: after step 3, the simulation system automatically generates a simulation peer-to-peer information base according to the verification card after comparison which is manually confirmed, then the simulation system receives a link of the virtual IED device through a peer-to-peer starting command, after the telemechanical receives a preset command which is sent by the dispatching end from the verification module and corresponds to automatic peer-to-peer starting, the telemechanical sends the preset command to the simulation system through a network interface of the spacer layer, and the simulation system judges that the sent corresponding starting command receives a DO object of the virtual IED device to start a relevant remote sensing and remote signaling self-verification process.
6. Starting a self-acceptance remote signaling process: after receiving a starting command of scheduling system remote signaling self-acceptance, the simulation system sequentially performs simulation operation of first combination and then division according to a remote signaling sequence on an acceptance card, and the interval time of each point number is 5ms.
7. Starting a self-acceptance telemetry process: after receiving a starting command of remote measurement self-acceptance of the scheduling system, the simulation system performs data change simulation for three times in a mode of setting a 0 value, a sequence number value and an offset value in sequence according to the remote measurement content on the acceptance card.
8. Starting a self-acceptance remote control process: after receiving the dispatching system remote control command (which can be preset), the simulation system will return a preset success result, if the dispatching system remote control is execution, the simulation system will return the execution success, and shift the position information of the switch XCBR and CSWI model back to be sent.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. A simulated self-acceptance system for an intelligent substation bay level is characterized by comprising a scheduling system, a remote machine positioned in a substation safety I area, a point-aligning system and an in-station OMS host positioned in a substation II area;
the point-to-point system acquires an acceptance card file issued by the scheduling system through an OMS host in the station, acquires a pre-generated forwarding configuration file through a telemechanical, performs static checking on the acquired acceptance card file and the forwarding configuration file, issues a point-to-point starting command to a point-to-point system accessed to an intelligent substation spacer layer network through a telemechanical for the acceptance card file passing the checking, and receives the point-to-point starting command to perform automatic point-to-point operation by the point-to-point system;
wherein, the card file of checking for receipt includes: a required point-to-point four-remote point number, a required point-to-point description and a required point-to-point data channel network parameter; correspondingly, the forwarding configuration file comprises: the number, description, signal reference name corresponding to SCD and configuration information of a channel corresponding to forwarding information of the four remote points;
the point-to-point operation comprises the following steps: carrying out remote signaling and remote measuring data change simulation according to a preset point rule; and returning a corresponding position signal according to the received remote control command.
2. The intelligent substation bay level simulation self-acceptance system of claim 1, wherein the substation security I area and the substation security II area are communicatively connected through a firewall.
3. The intelligent substation bay level simulation self-acceptance system of claim 1, wherein the point-to-point system is configured with a display capable of displaying static checking results through a graphical interface.
4. The intelligent substation bay level simulation self-acceptance system of claim 1, wherein the peer-to-peer system is configured with a plurality of network cards, each bay level IED device can be in communication connection with the peer-to-peer system through a designated network card, and each network card supports simulation of a plurality of IED devices on the premise that a data transmission speed meets requirements.
5. The intelligent substation bay level simulation self-acceptance system of any one of claims 1 to 4, wherein the point-to-point system is an industrial computer installed with a Linux operating system, and the graphical interface development language is a Qt/Motif type language of Linux.
6. A simulated self-acceptance method for an intelligent substation bay level, which is characterized in that the system of any one of claims 1 to 5 is adopted, and the method comprises the following steps:
acquiring a check card file issued by a scheduling system through an OMS host in a station, and acquiring a pre-generated forwarding configuration file through a telemechanical;
performing static checking on the acquired acceptance card files and forwarding configuration files;
and for the check card files passing the check, the dispatching system sends a point-to-point starting command to the point-to-point system through the remote engine, and the point-to-point system receives the point-to-point starting command to perform automatic point-to-point operation.
7. The intelligent substation bay level simulation self-acceptance method of claim 6, further comprising: and displaying the static checking result through a graphical interface, and performing automatic point-aligning operation on the checking result which passes the checking only after the checking result is confirmed by operation and maintenance personnel.
8. The intelligent substation bay level simulation self-acceptance method according to claim 6, wherein the point-to-point operation method comprises the steps of:
simulating related interlayer IED equipment needing point-to-point four remote;
simulating the interlayer IED equipment to establish a link with a remote machine;
simulating indexes of data points related to the forwarding configuration file and the verification card file according to a preset point-to-point rule;
for remote signaling, carrying out pre-closing and post-opening simulation according to a remote signaling forwarding sequence number;
and for the remote measurement order, simulating according to the rule of setting all 0 values, setting all sequence numbers and increasing.
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| CN112994231B (en) * | 2020-12-31 | 2024-02-02 | 南京太司德智能电气有限公司 | Automatic point-to-point checking and accepting method for graphic images of power dispatching system |
| CN114826631B (en) * | 2021-01-27 | 2024-03-15 | 南京南瑞继保电气有限公司 | Substation firewall configuration method |
| CN113422820B (en) * | 2021-06-21 | 2023-05-30 | 贵州电网有限责任公司 | Automatic joint debugging device and method for remote information of main station |
| CN113437798B (en) * | 2021-06-21 | 2023-04-11 | 贵州电网有限责任公司 | Master-substation data consistency verification method for master-substation telecontrol information |
| CN113256766B (en) * | 2021-07-13 | 2021-11-16 | 国网浙江省电力有限公司宁波供电公司 | Method and device for acquiring power graphic picture, storage medium and electronic equipment |
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