CN111262346A - Integrated automatic acceptance system and method for transformer substation - Google Patents
Integrated automatic acceptance system and method for transformer substation Download PDFInfo
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Abstract
The invention discloses a transformer substation integrated automatic acceptance system and a transformer substation integrated automatic acceptance method. This kind of transformer substation integration automatic acceptance system, the transformer substation includes master station end and station end, automatic acceptance system includes counter point device and acceptance device, the counter point device sets up the station end, and respectively with the server and the telemechanical communication device signal connection of station end form emulation measurement and control device and emulation main website, check-up through emulation measurement and control device and the configuration of the telemechanical communication device of emulation main website. The acceptance check system simulates the total-station protection and control device and the dispatching master station system through the point counter device, checks information among the telecontrol communication gateway machine, the total-station protection and control device and the dispatching master station system, realizes automatic verification of the telecontrol communication gateway function through system integration and automatic control technology, and automatically and sequentially sends point counter signals to realize automatic point counter function with the master station.
Description
Technical Field
The invention relates to the technical field of communication simulation, in particular to an integrated automatic acceptance system and method for a transformer substation.
Background
With the advent of the information and digital age, the traditional power system is also facing new development and challenge. China is developing smart grids vigorously, and smart substations are important components of the smart grids. The intelligent substation is based on informatization and digitization, and simultaneously adopts technologies such as sensing, information communication, artificial intelligence and the like to carry out unified digital management on information in the substation. The digital intelligent transformer substation can realize the automation of functions such as information acquisition, measurement, control, protection, measurement, monitoring and the like. At present, the substation automation communication standard IEC61850 is continuously popularized in China, so that equipment, information, functions and services of an intelligent substation are layered and modeled in an abstract mode.
The communication protocol of the intelligent substation station control layer mainly follows MMS (Industrial manufacturing protocol) messages. And mapping the physical parameters of the substation equipment to corresponding attributes of the MMS object by adopting an abstract information model in the MMS message. The real-time data information transmission of the transformer substation is realized by reading and modifying the object attribute of the MMS instance. The MMS message contains the information of the intelligent equipment in the transformer substation and the real-time data information of the equipment operation.
The telecontrol network switch receives the MMS message containing the real-time information of the station terminal equipment sent by the exchanger in the station control layer, and sends the station terminal information to the dispatching center through the telecontrol communication protocol IEC60870-5-104/IEC 60870-5-101. The IEC60870-5-104/IEC60870-5-101 message mainly contains the information of remote measurement, remote signaling, remote control and remote regulation of station-side equipment.
In recent years, with the rapid development of power automation technology, communication technology and computer technology, especially the rapid advance of intelligent substations, data interaction is very frequent, such as data interaction between bay level equipment and a monitoring host, data interaction between the monitoring host and a communication manager, and data interaction between the communication manager and a main station are particularly prominent, and the correctness and performance stability of the data interaction are particularly important, but the test period between the systems is very long, and the acceptance and operation of the systems are greatly influenced due to the limitation of various conditions. There are in particular the following cases:
According to the development requirements of China on further automation and intellectualization of the smart grid, the substation equipment measurement system should realize automation, provide expert evaluation and decision functions, and reduce artificial judgment and operation.
The conventional telecontrol equipment in the traditional transformer substation is replaced by the microcomputer telecontrol equipment, and the communication standards of the telecontrol equipment are also more than ten in the past and are unified into IEC60870-5-101, IEC60870-5-104 and the like. The intelligent substation development process is the process of constantly realizing intellectuality, and the automation of equipment in the station will progressively be realized to intelligent substation of not coming, if primary equipment can carry out automatic measurement, automatically regulated, secondary equipment will be more intelligent, if the telemechanical device can intelligent upload useful "four distant" information, intelligent detection system will carry out intellectual detection system to equipment in the station to carry out intelligent aassessment to equipment in the station.
At present, few researches on the point-to-point work of the transformer substation are conducted at home and abroad, and a manual point-to-point mode is generally adopted, namely, the scheduling main site table information and the actual information of the transformer substation are manually corrected. The mode goes against the development direction of intellectualization and automation of the intelligent substation, and with the continuous development of the intelligent power grid, the telecontrol system is also continuously updated and developed.
Disclosure of Invention
The invention aims to at least solve one of the technical problems in the prior art and provides an integrated automatic acceptance system and method for a transformer substation.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: an integrated automatic check-acceptance system of a transformer substation, wherein the transformer substation comprises a main station end and a station end, the station end is in communication connection with the main station end through a telecontrol communication device, the automatic check-acceptance system comprises a point aligning device and a check-acceptance device, the point aligning device is arranged at the station end and is respectively in signal connection with a server and the telecontrol communication device of the station end to form a simulation measurement and control device and a simulation main station, the configuration of the telecontrol communication device is verified through the simulation measurement and control device and the simulation main station, the point aligning is carried out through a simulation remote communication and remote measurement point and the main station end, the check-acceptance device is arranged at the main station end and is connected with a front-end processor of the main station end to receive IEC60870-5-104 data forwarded by the front-end processor, configuration data in a front-end processor database are obtained, and are compared with data actually sent by the station end one by one according to check-acceptance rules, and checking and accepting the checking and accepting content to obtain a checking and accepting result.
Furthermore, the point-to-point device comprises a control terminal, a first network interface and a second network interface are arranged on the control terminal, the control terminal is electrically connected with a station control layer switch of the plant station end through the first network interface, the control terminal is electrically connected with the telecontrol communication device through the second network interface, the acceptance device comprises an industrial personal computer, and the industrial personal computer is connected with a front-end processor.
Further, the method comprises: the method comprises the steps that a point aligning device is electrically connected with a plant station, a regulation and control information table and/or a total station system configuration SCD file are/is led into the point aligning device, model data are generated, a protection measurement and control device and a dispatching master station system of a total station are simulated, and a simulation measurement and control device and a simulation master station are formed; the configuration of the telecontrol communication device is verified through the simulation measurement and control device and the simulation master station, and the point is aligned with the master station end through the simulation remote signaling and remote measuring point; and the master station end receives the IEC104 remote signaling data actually forwarded by the telecontrol communication device, compares the IEC104 remote signaling data with the data actually sent by the station end one by one according to an acceptance rule, and inspects the acceptance content to obtain an inspection result.
Further, before the regulation information table and/or the SCD file configured by the total station system are imported into the point aligning device, the station side performs station-side joint regulation, and whether a communication link between a protection measurement and control device of the total station of the station side and a monitoring background reaches a preset communication standard is judged through signal testing.
Further, the configuration of the telecontrol communication device is verified, wherein the configuration of the telecontrol communication device comprises static verification or dynamic verification, if the telecontrol communication device is provided with an RCD file, the static verification is carried out, the consistency of the RCD and the SCD is compared, and the validity of an IEC61850 path quoted in the RCD in the SCD is confirmed; if the telecontrol communication device does not have the RCD file, configuration checking is executed, all MMS remote signaling data are sent to the telecontrol communication device and the monitoring background in a panoramic information scanning mode, the SOE time scale is kept unique, meanwhile, the simulation master station receives IEC104 remote signaling data forwarded by the telecontrol communication device, whether the forwarding configuration of the telecontrol communication device is correct or not is judged, dynamic checking is carried out, whether the forwarding table of the telecontrol communication device is consistent with the actual configuration in the telecontrol communication device is dynamically checked, and whether the telecontrol telesignaling telemetering signal forwarding delay meets the technical specification requirements of the telecontrol communication device or not is dynamically checked.
Further, the acceptance comprises: switching the point aligning device into a simulation master station, accessing to the outlet side of the telemechanical communication device, checking and accepting background signals by actually triggering teletraffic or applying telemeasurement, comparing the consistency of background images, point aligning device images and field applied signals, confirming that the signals are correct within a limited time, and synchronously checking and accepting; and switching the point aligning device into a simulation measurement and control device, connecting the simulation measurement and control device to the inlet side of the telecontrol communication device, and completing the joint automatic acceptance of the monitoring information of the main station by matching with an acceptance device to complete the acceptance of the main station.
Further, the acceptance content comprises remote signaling information, remote measuring information and remote control information.
Further, the verifying the contents includes,
and (3) information table comparison: reading the information content of the master station database by taking the regulation and control information table as a standard, and checking whether the information maintenance work of the master station database is correct or not;
and (4) joint acceptance: starting a joint debugging function of the acceptance check device, receiving the information uploaded by the plant station end, comparing the information with standard information in a database, and judging whether the information is uploaded correctly;
data link checking: and automatically transmitting remote signaling and remote measuring information, checking whether the data information is consistent with the interval correspondence, and judging whether the data connection is correct.
Further, the joint acceptance comprises,
remote signaling automatic acceptance: the factory station side uploads monitoring information one by one according to the order of the point numbers, the main station side checks whether the uploaded information is correct or not according to the set sending order and the set displacement order, checks whether the order of the point numbers of the information is consistent with the order of the point numbers of a preset standard information table or not, gives out prompts and notes on the reasons of errors when the order of the point numbers of the information is inconsistent with the order of the point numbers of the preset standard information table, and generates a remote signaling combined automatic acceptance report;
automatic telemetering acceptance: comparing whether the data uploaded on site is consistent with a preset telemetering value or not, judging whether acceptance passes or not, giving a prompt when the verification results are inconsistent, and generating a telemetering automatic combined acceptance report;
remote control automatic acceptance: and (4) adopting actual operation according to an acceptance standard, realizing remote control 'closing-dividing' once through an acceptance program, automatically acquiring the position of the field equipment, checking whether the position change meets the requirement, judging whether the remote control is successful, and generating a remote control combined automatic acceptance report.
Further, the data link check includes,
checking the correctness of the remote signaling link: adopting a mode of sending single data and single verification, receiving single change remote signaling by the acceptance check device, checking whether the remote signaling content is consistent with the affiliated interval, and judging whether the remote signaling link is correct;
telemetry link correctness checking: the method comprises the steps of adopting a mode of sending analog data in batches and checking one by one, setting different remote measuring values for each measuring point by an acceptance check device, checking the sent data after sending in batches, checking the data position, and judging whether a remote measuring link is correct or not.
The invention has the beneficial effects that: as can be seen from the above description of the present invention, compared with the prior art, the integrated automatic acceptance system for a transformer substation of the present invention emulates the total station protection measurement and control device and the dispatching master station system through the peer-to-peer device, verifies information among the telecontrol communication gateway machine, the total station protection measurement and control device and the dispatching master station system, realizes automatic verification of the telecontrol communication gateway function through system integration and automatic control technologies, and automatically and sequentially sends peer-to-peer signals and the master station to realize the automatic peer-to-peer function through the automatic association technology.
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Fig. 1 is a block diagram of steps of a substation integration automatic acceptance method based on total station communication simulation in a preferred embodiment of the present invention.
Detailed Description
The technical solutions in the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, in a preferred embodiment of the present invention, a substation integrated automatic acceptance system includes a main station and a station, the station is in communication connection with the main station through a telecontrol communication network, the automatic acceptance system includes a point-aligning device and an acceptance device, the point-aligning device is disposed at the station and is in signal connection with a server and a telecontrol communication device of the station respectively to form a simulation measurement and control device and a simulation main station, the configuration of the telecontrol communication device is verified through the simulation measurement and control device and the simulation main station, the point-aligning device is performed with the main station through a simulation remote communication and remote measurement point, the acceptance device is disposed at the main station and is connected with a front-end processor of the main station, the IEC60870-5-104 data forwarded by the front-end processor is received, the configuration data in a database of the front-end processor is obtained, and is compared with data actually sent by the station one by one according to an acceptance rule, and checking and accepting the checking and accepting content to obtain a checking and accepting result.
The point-to-point device comprises a control terminal, wherein a first network interface and a second network interface are arranged on the control terminal, the control terminal is electrically connected with a station control layer switch of the plant station end through the first network interface, and the control terminal is electrically connected with the telecontrol communication device through the second network interface.
The acceptance check device comprises an industrial personal computer, the industrial personal computer is connected with the front-end processor, specifically, the acceptance check device can adopt the industrial personal computer or an embedded computer, is connected with the D5000 front-end processor through a network interface, receives IEC60870-5-104 data forwarded by the front-end processor, and acquires configuration data in a D5000 database.
The hardware design of the plant station end device adopts a reinforced tablet personal computer, so that the weak links of reliability in an industrial personal computer mode, such as a mechanical hard disk and a CPU fan, are avoided, and the reliability and the stability of the system are greatly improved. The four-core processor is adopted, the main frequency is as high as 2.1GHz, the number of Ethernet ports is not less than 2, the number of disposable simulation total-station protection measurement and control devices is not less than 120, and the standby time is not less than 4 hours by adopting a polymer lithium battery pack.
The station end device adopts a Linux embedded operating system, the operating system can be cut and customized, the occupied space is small, and the operating system can be directly solidified into a chip for running after being combined with an application program, so that the software has high reliability and strong anti-interference capability. Meanwhile, as the software is solidified and runs in the chip, the problems of virus and hacker attack are essentially avoided. The system adopts a high-reliability network protocol stack, greatly improves the real-time performance of network data, increases the flow of the network data, effectively prevents the malicious invasion of the network, ensures the safe and reliable operation of the device, has stronger and perfect self-diagnosis and self-recovery functions, and completes the self-recovery function of the system under extreme conditions through a software dog.
The invention also provides a substation integrated automatic acceptance method based on total station communication simulation, which comprises the following steps:
s1, electrically connecting the point-to-point device with a plant station, importing a regulation and control information table and/or a total station system configuration SCD file into the point-to-point device, generating model data, simulating a protection measurement and control device and a dispatching master station system of the total station, and forming a simulation measurement and control device and a simulation master station;
before a regulation and control information table and/or a total station system configuration SCD file is imported into a point-to-point device, a station end performs station-end joint regulation, and whether a communication link between a protection measurement and control device and a monitoring background of a total station of the station end reaches a preset communication standard or not is judged through signal testing;
s2, checking the configuration of the telecontrol communication device through the simulation measurement and control device and the simulation master station, and performing point alignment with the master station end through the simulation remote signaling and remote measuring point;
the configuration of the telecontrol communication device is checked, wherein the configuration of the telecontrol communication device comprises static checking or dynamic checking, if the telecontrol communication device is provided with an RCD file, the static checking is carried out, the consistency of the RCD and an SCD is compared, and the validity of an IEC61850 path quoted in the RCD in the SCD is confirmed; if the telecontrol communication device does not have the RCD file, configuration checking is executed, all MMS remote signaling data are sent to the telecontrol communication device and a monitoring background in a panoramic information scanning mode, the SOE time scale is kept unique, meanwhile, the simulation master station receives IEC104 remote signaling data forwarded by the telecontrol communication device, whether the forwarding configuration of the telecontrol communication device is correct or not is judged, dynamic checking is carried out, whether the forwarding table of the telecontrol communication device is consistent with the actual configuration in the telecontrol communication device is dynamically checked, and whether the telecontrol telesignaling telemetering signal forwarding delay meets the technical specification requirements of the telecontrol communication device or not is dynamically checked;
s3, the master station receives IEC104 remote signaling data actually forwarded by the telecontrol communication device, and the IEC104 remote signaling data are compared with data actually sent by the station one by one according to an acceptance rule to check acceptance contents to obtain a check result;
wherein the acceptance comprises: switching the point aligning device into a simulation master station, accessing to the outlet side of the telemechanical communication device, checking and accepting background signals by actually triggering teletraffic or applying telemeasurement, comparing the consistency of background images, point aligning device images and field applied signals, confirming that the signals are correct within a limited time, and synchronously checking and accepting; switching the point aligning device into a simulation measurement and control device, connecting the simulation measurement and control device to the inlet side of the telecontrol communication device, matching with an acceptance device to complete the joint automatic acceptance of the monitoring information of the main station, and completing the acceptance of the main station; the acceptance content comprises remote signaling information, remote measuring information and remote control information;
the verifying of the acceptance content may include,
and (3) information table comparison: reading the information content of the master station database by taking the regulation and control information table as a standard, and checking whether the information maintenance work of the master station database is correct or not;
and (4) joint acceptance: starting a joint debugging function of the acceptance check device, receiving the information uploaded by the plant station end, comparing the information with standard information in a database, and judging whether the information is uploaded correctly;
data link checking: automatically transmitting remote signaling and remote measuring information, checking whether the data information is consistent with the interval correspondence, and judging whether the data connection is correct;
wherein the joint acceptance comprises the steps of,
remote signaling automatic acceptance: the factory station side uploads monitoring information one by one according to the order of the point numbers, the main station side checks whether the uploaded information is correct or not according to the set sending order and the set displacement order, checks whether the order of the point numbers of the information is consistent with the order of the point numbers of a preset standard information table or not, gives out prompts and notes on the reasons of errors when the order of the point numbers of the information is inconsistent with the order of the point numbers of the preset standard information table, and generates a remote signaling combined automatic acceptance report;
automatic telemetering acceptance: comparing whether the data uploaded on site is consistent with a preset telemetering value or not, judging whether acceptance passes or not, giving a prompt when the verification results are inconsistent, and generating a telemetering automatic combined acceptance report;
remote control automatic acceptance: and (4) adopting actual operation according to an acceptance standard, realizing remote control 'closing-dividing' once through an acceptance program, automatically acquiring the position of the field equipment, checking whether the position change meets the requirement, judging whether the remote control is successful, and generating a remote control combined automatic acceptance report.
Wherein the data link check includes, for each of the plurality of data links,
checking the correctness of the remote signaling link: adopting a mode of sending single data and single verification, receiving single change remote signaling by the acceptance check device, checking whether the remote signaling content is consistent with the affiliated interval, and judging whether the remote signaling link is correct;
telemetry link correctness checking: the method comprises the steps of adopting a mode of sending analog data in batches and checking one by one, setting different remote measuring values for each measuring point by an acceptance check device, checking the sent data after sending in batches, checking the data position, and judging whether a remote measuring link is correct or not.
The invention provides a substation integrated automatic acceptance method based on total station communication simulation, which comprises the following steps:
the integrated automatic acceptance system is divided into a main station end and a plant station end, and the method description is respectively carried out on the plant station end and the main station end:
at a station end, the system is divided into four modules: MMS simulation- > configuration checking- > synchronous acceptance-main station point-to-point
The method comprises the steps that a point aligning device is electrically connected with a station, a regulation and control information table and an SCD file are led into a handheld terminal, model data are generated according to the IEC61850MMS standard, a total station protection measurement and control device and a dispatching master station system are simulated, and a simulation measurement and control device and a simulation master station are formed;
the plant station end-to-end device divides the point alignment into three steps, namely joint adjustment of a monitoring background, configuration verification of a telecontrol communication network shutdown and point alignment with a dispatching master station.
Monitoring background joint debugging: before the point alignment with a scheduling master station, it is necessary to ensure that the signals in the station pass through signal sources such as an intelligent terminal and a merging unit and pass through a protection measurement and control device to a monitoring background, and the whole link and the signals have no problem, which is the basis of the whole intelligent point-to-point information joint debugging work.
Configuration verification: if the telecontrol communication network is closed by an RCD file (telecontrol configuration description file), only the regulation and control information table needs to be compared with the RCD file. However, the actual telecontrol communication network machine on site is not provided with the RCD file. Therefore, the remote communication gateway verification mainly takes the condition that no RCD file exists as a precondition.
Point-to-point with the scheduling master station: after the telecontrol communication network shutdown configuration is verified correctly, the corresponding relation of the point number, the main station description, the monitoring background description and the Ref is formed, and the information points in the regulation information table are sequentially and automatically sent. The master station checks manually whether the information points are correct.
Configuration check is carried out on the telecontrol communication network machine through a simulation measurement and control device and a simulation master station which simulate the point device, so that consistency of a telecontrol communication network machine forwarding table and the actual configuration inside the telecontrol communication network machine forwarding table is ensured, and the forwarding time delay of a telecontrol telemetering signal of the telecontrol communication network machine meets the requirement of technical specifications;
static checking: if the telecontrol communication network shutdown device has the RCD file, executing static verification: confirming that the syntax semantics of the RCD conform to the technical specification, checking the validity of the SCD, confirming that each IED model in the SCD is valid, comparing the consistency of the RCD and the SCD, and confirming the validity of the IEC61850 path quoted in the RCD in the SCD;
configuration checking: if the telecontrol communication network machine does not have the RCD file, executing configuration checking: sending all MMS remote signaling data to a telecontrol communication network machine and a monitoring background in a panoramic information scanning mode, keeping an SOE time scale unique, simultaneously receiving IEC104 remote signaling data forwarded by the telecontrol communication network machine by a simulation master station, automatically associating a simulation record file, a master station record file and a monitoring background record file, and automatically judging whether the forwarding configuration of the telecontrol communication network machine is correct or not by comparing the correlation between an association point table and SCD (substation configuration description) and corresponding information of the master station description or the substation;
dynamic checking: after the configuration check is executed, executing dynamic check: and the point device is simultaneously accessed to the inlet side and the outlet side of the telecontrol communication network machine for closed loop test, and dynamically verifies whether the telecontrol communication network machine forwarding table is consistent with the actual configuration in the telecontrol communication network machine forwarding table and whether the telecontrol telemetering signal forwarding delay meets the technical specification requirement of the telecontrol communication network machine.
Synchronous acceptance: switching the point aligning device into a simulation master station, accessing to the outlet side of a telecontrol communication network machine, carrying out background signal acceptance by actually triggering teletraffic or applying telemeasurement in a field debugging person, comparing the background picture, the point aligning device picture and the field applied signal consistency by background acceptance personnel, confirming that the signal is correct within a limited time, and finishing synchronous acceptance;
and (3) checking and accepting by the master station: and switching the point-to-point device into a simulation measurement and control device, accessing the inlet side of the telecontrol communication network machine, and completing the joint automatic check and acceptance of the monitoring information of the main station by matching with the check and acceptance device.
The system is divided into three modules at a main station end: configuration check- > automatic acceptance- > report export
The master station end compares the imported regulation and control information table with the actual configuration of the D5000 database, checks whether the imported regulation and control information table is consistent with the standard point table, receives 104 data actually forwarded by the D5000, compares the data with data actually sent by the station end one by one according to an acceptance rule, and realizes the acceptance check of the correctness of the received data of the front-end processor of the regulation and control master station, and simulates the IEC60870-5-104 server end function module to realize the manual triggering or automatic triggering of the change of the front-end data for checking the correctness of the SCADA picture information of the regulation and control master station. And (3) checking and accepting the checking and accepting content, wherein the checking and accepting content comprises remote signaling information, remote measuring information and remote control information, and the checking and accepting comprises the following steps:
and (3) information table comparison: and taking a regulation and control information table as a standard, reading information contents of the main station database from 3 aspects of remote signaling, remote measurement and remote control, checking whether the information maintenance work of the main station database is correct or not, and checking contents of the remote signaling table comprise point numbers, names, interval IDs, voltage levels, alarm types, light word plates and the like. Telemetry, remoting only checks the point number and name. And after the verification is finished, giving comparison results in a centralized manner, and uniformly feeding back the comparison results to the automation personnel for modification.
And (4) joint acceptance: starting a joint debugging function of the acceptance check device, receiving the information uploaded by the plant station end, comparing the information with standard information in a database, and judging whether the information is uploaded correctly by the system;
data link checking: the system automatically transmits remote signaling and remote measuring information, and monitoring personnel check whether the data information is consistent with the interval correspondence and judge whether the data connection is correct.
Wherein the joint acceptance comprises:
remote signaling automatic acceptance: the factory station side uploads monitoring information one by one according to the order of the point numbers, the main station side checks whether the uploaded information is correct or not according to the set sending order and the set displacement order, checks whether the order of the point numbers of the information is consistent with the order of the point numbers of a preset standard information table or not, gives out prompts and notes on the reasons of errors when the order of the point numbers of the information is inconsistent with the order of the point numbers of the preset standard information table, and generates a remote signaling combined automatic acceptance report;
automatic telemetering acceptance: comparing whether the data uploaded on site is consistent with a preset telemetering value or not, judging whether acceptance passes or not, giving a prompt when the verification results are inconsistent, and generating a telemetering automatic combined acceptance report;
remote control automatic acceptance: and (4) adopting actual operation according to an acceptance standard, realizing remote control 'closing-dividing' once through an acceptance program, automatically acquiring the position of the field equipment, checking whether the position change meets the requirement, judging whether the remote control is successful, and generating a remote control combined automatic acceptance report.
Checking the correctness of the remote signaling link: adopting a mode of sending single data and single check, receiving single change remote signaling by an acceptance check device, checking whether the remote signaling content is consistent with the interval to which the monitoring personnel belong, judging whether the remote signaling link is correct, and solving the problem found in the acceptance check process, wherein the automation personnel are responsible for modification; the checking and accepting content comprises a switch position, a synchronous switch, a photo plate picture and an interval diagram;
telemetry link correctness checking: the method comprises the steps that analog data are sent in batches and are checked one by one, different remote measuring values are set for each measuring point by an acceptance check device, the sent data are checked after the analog data are sent in batches, and a monitor manually checks the position of the data and judges whether a remote measuring link is correct or not; the acceptance content comprises the corresponding situation of the remote measurement value and the belonged interval.
And simulating MMS communication of all secondary intelligent equipment of the total station, transmitting all MMS remote signaling data of the device to a telecontrol communication gateway machine and a monitoring background (SOE time scale ensures uniqueness) in a panoramic information scanning mode, and simultaneously receiving IEC104 remote signaling data forwarded by the telecontrol communication gateway machine by the simulation master station. The transmitted MMS data forms a simulation record file, the simulation master station forms the received IEC104 remote signaling forwarding data into a master station record file, and the remote signaling data is exported from the monitoring background to form a monitoring background record file.
The method comprises the steps of importing an MMS simulation record file, a main station record file and a monitoring background record file, associating data of the MMS simulation record file, the main station record file and the monitoring background record file through uniqueness and consistency of SOE time scales in the three files, importing a regulation information table to form a corresponding relation between remote signaling in the regulation information table and Ref of SCD and monitoring background description, taking the monitoring background information description as a third party, comparing the third party with the main station description or transformer substation corresponding information in the regulation information table, automatically judging whether forwarding configuration is correct, and if no transformer substation corresponding information exists or the main station description is inconsistent with the monitoring background description, checking whether telecontrol configuration has mismatching, missing configuration and multi-configuration conditions through manual judgment.
The system mainly simulates MMS communication of the total station protection measurement and control equipment and communication of the dispatching master station system 104, which are basic data of the whole system, the simulated protection measurement and control equipment sends a remote signaling remote measurement signal to the telecontrol communication gateway machine, and the telecontrol communication gateway machine forwards data to the dispatching master station.
The peer to peer device supports the following functions: SCD is rapidly led in, MMS simulation is carried out on a plurality of IED devices, the devices are larger than 100 devices, remote signaling and remote measuring are carried out at fixed time intervals, MMS simulation data are sent in a state series mode, report enabling monitoring, quality bit modification and simulation scheduling master station receiving and sending data, information point filtering and RCD point aligning.
Simulating multi-IED MMS communication: the simulated IED is used for debugging the communication function of an IEC61850 client system (telecontrol network shutdown) of a station control layer as the communication behavior and response logic of the IEC61850/MMS server. The simulation system can simulate the IED to be in communication connection with the client systems, and provides application simulation functions such as signal simulation, closed-loop control simulation, fixed-value simulation, fault recording simulation and the like on the basis.
Signal simulation: the remote signaling simulation can simulate the process of IED remote signaling change and uploading, replaces the traditional method of testing state quantity by using a direct current clicking device signal terminal, can simulate the process of uploading the IED remote signaling change after the IED remote signaling change exceeds a set threshold value, can replace the traditional method of testing analog quantity by generating an analog signal by using a tester, and can simulate the IED to generate various alarm events, protection action events and the like, so that the point-to-point test with a telecontrol system is facilitated.
Closed-loop control simulation: the response and processing process of the IED when controllable objects such as a remote control switch, a disconnecting link, a pressing plate and the like are simulated comprises the processes of receiving a remote control command of a client system, judging whether the switch position is effective or not when remote control is selected, triggering remote signaling uploading after the switch position is changed after remote control execution is successful and the like, so that remote control operation debugging of the client system is facilitated.
A simulation scheduling master station: the simulation master station mainly realizes the function of simulating a remote dispatching master station, supports the current mainstream power telecontrol protocol, has the functions of message analysis and record storage, and can analyze 104 messages sent by the telecontrol device in real time and store 104 address, point number displacement conditions and the like as a simulation master station record file.
The information joint debugging of the plant station end and the main station end is required to meet the conditions that the plant station end information table is qualified in acceptance, the primary and secondary equipment information correlation verification is qualified, the main station end information table is qualified in acceptance, the acceptance range of the joint debugging system comprises the contents of a remote signaling, a remote measuring and a remote control information table, the plant station end triggers alarm information according to the order of point numbers, and the main station end checks and judges whether the communication of a dispatching data network is normal.
The checking and accepting steps of the joint debugging system comprise 4 steps:
1, resetting all telemetering, remote signaling and remote control in the preposed master station end and the remote communication device at the station end, wherein the telemetering initial state is zero, the remote signaling initial state is reset, and the remote control initial state is that a switch is positioned separately;
step 2, starting an automatic acceptance program by a master station end, starting an uploading program by a transformer substation, operating the master station end by monitoring personnel, operating the transformer substation on site by maintenance personnel, and confirming double power generation calls before operation;
and 3, the master station side automatic acceptance system sends a call, and the plant station side automatic acceptance system starts a program after receiving the information. After a general calling command is sent, a main system checks the initial states of remote signaling, remote measurement and remote control, then checks whether the sequence of the sent information is consistent with that of a standard information table or not, and whether the analog quantity and the state quantity accord with set rules or not, wherein the remote signaling returns according to actions, the remote measurement reinforces a fixed value according to point numbers, the remote control automatically checks and accepts according to the principle of combining and dividing firstly, the program finishes recording the check result, and prompts and remarks of error reasons are given when the results are inconsistent;
and 4, generating an acceptance report, wherein the report comprises the name reason of the failure of acceptance, and monitoring personnel quickly search the root cause of the problem according to the acceptance report and report related departments in a targeted manner.
The above additional technical features can be freely combined and used in superposition by those skilled in the art without conflict.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. The utility model provides an automatic system of accepting of integration of transformer substation, the transformer substation includes master station end and station end, the station end through the telemechanical communication device with master station end communication connection, its characterized in that: the automatic acceptance system comprises a point aligning device and an acceptance device, wherein the point aligning device is arranged at the plant end and is respectively in signal connection with the server of the plant end and the telecontrol communication device to form a simulation measurement and control device and a simulation main station, the configuration of the telecontrol communication device is verified through the simulation measurement and control device and the simulation main station, the point aligning is carried out with the main station end through simulation remote signaling and remote measurement points, the acceptance device is arranged at the main station end and is connected with the front-end processor of the main station end, the IEC60870-5-104 data forwarded by the front-end processor are received, the configuration data in a front-end processor database are obtained, the configuration data are compared with the data actually sent by the plant end one by one according to acceptance rules, and the acceptance content is accepted to obtain an acceptance result.
2. The substation integrated automatic acceptance system according to claim 1, characterized in that: the point aligning device comprises a control terminal, a first network interface and a second network interface are arranged on the control terminal, the control terminal is electrically connected with a station control layer switch of a plant station end through the first network interface, the control terminal is electrically connected with the telecontrol communication device through the second network interface, the acceptance inspection device comprises an industrial personal computer, and the industrial personal computer is connected with a front-end processor.
3. A transformer substation integrated automatic acceptance method is characterized by comprising the following steps:
the method comprises the steps that a point aligning device is electrically connected with a plant station, a regulation and control information table and/or a total station system configuration SCD file are/is led into the point aligning device, model data are generated, a protection measurement and control device and a dispatching master station system of a total station are simulated, and a simulation measurement and control device and a simulation master station are formed;
the configuration of the telecontrol communication device is verified through the simulation measurement and control device and the simulation master station, and the point is aligned with the master station end through the simulation remote signaling and remote measuring point;
and the master station end receives the IEC104 remote signaling data actually forwarded by the telecontrol communication device, compares the IEC104 remote signaling data with the data actually sent by the station end one by one according to an acceptance rule, and inspects the acceptance content to obtain an inspection result.
4. The substation integrated automatic acceptance method according to claim 3, characterized in that: before the regulation and control information table and/or the SCD file configured by the total station system are imported into the point aligning device, the station end performs station-end joint regulation, and whether a communication link between a protection measurement and control device and a monitoring background of the total station of the station end reaches a preset communication standard is judged through signal testing.
5. The substation integrated automatic acceptance method according to claim 3, characterized in that: the configuration of the telecontrol communication device is verified, wherein the configuration of the telecontrol communication device comprises static verification or dynamic verification, if the telecontrol communication device is provided with an RCD file, the static verification is carried out, the consistency of the RCD and an SCD is compared, and the validity of an IEC61850 path quoted in the RCD in the SCD is confirmed; if the telecontrol communication device does not have the RCD file, configuration checking is executed, all MMS remote signaling data are sent to the telecontrol communication device and the monitoring background in a panoramic information scanning mode, the SOE time scale is kept unique, meanwhile, the simulation master station receives IEC104 remote signaling data forwarded by the telecontrol communication device, whether the forwarding configuration of the telecontrol communication device is correct or not is judged, dynamic checking is carried out, whether the forwarding table of the telecontrol communication device is consistent with the actual configuration in the telecontrol communication device is dynamically checked, and whether the telecontrol telesignaling telemetering signal forwarding delay meets the technical specification requirements of the telecontrol communication device or not is dynamically checked.
6. The substation integrated automatic acceptance method according to claim 3, wherein the acceptance comprises: switching the point aligning device into a simulation master station, accessing to the outlet side of the telemechanical communication device, checking and accepting background signals by actually triggering teletraffic or applying telemeasurement, comparing the consistency of background images, point aligning device images and field applied signals, confirming that the signals are correct within a limited time, and synchronously checking and accepting; and switching the point aligning device into a simulation measurement and control device, connecting the simulation measurement and control device to the inlet side of the telecontrol communication device, and completing the joint automatic acceptance of the monitoring information of the main station by matching with an acceptance device to complete the acceptance of the main station.
7. The substation integrated automatic acceptance method according to claim 3, wherein the acceptance content comprises remote signaling information, remote measuring information and remote control information.
8. The substation integration automatic acceptance method according to claim 7, wherein the checking of the acceptance content comprises,
and (3) information table comparison: reading the information content of the master station database by taking the regulation and control information table as a standard, and checking whether the information maintenance work of the master station database is correct or not;
and (4) joint acceptance: starting a joint debugging function of the acceptance check device, receiving the information uploaded by the plant station end, comparing the information with standard information in a database, and judging whether the information is uploaded correctly;
data link checking: and automatically transmitting remote signaling and remote measuring information, checking whether the data information is consistent with the interval correspondence, and judging whether the data connection is correct.
9. The substation-integrated automatic acceptance method according to claim 8, wherein the joint acceptance comprises,
remote signaling automatic acceptance: the factory station side uploads monitoring information one by one according to the order of the point numbers, the main station side checks whether the uploaded information is correct or not according to the set sending order and the set displacement order, checks whether the order of the point numbers of the information is consistent with the order of the point numbers of a preset standard information table or not, gives out prompts and notes on the reasons of errors when the order of the point numbers of the information is inconsistent with the order of the point numbers of the preset standard information table, and generates a remote signaling combined automatic acceptance report;
automatic telemetering acceptance: comparing whether the data uploaded on site is consistent with a preset telemetering value or not, judging whether acceptance passes or not, giving a prompt when the verification results are inconsistent, and generating a telemetering automatic combined acceptance report;
remote control automatic acceptance: and (4) adopting actual operation according to an acceptance standard, realizing remote control 'closing-dividing' once through an acceptance program, automatically acquiring the position of the field equipment, checking whether the position change meets the requirement, judging whether the remote control is successful, and generating a remote control combined automatic acceptance report.
10. The substation integration automatic acceptance method of claim 8, wherein the data link check comprises,
checking the correctness of the remote signaling link: adopting a mode of sending single data and single verification, receiving single change remote signaling by the acceptance check device, checking whether the remote signaling content is consistent with the affiliated interval, and judging whether the remote signaling link is correct;
telemetry link correctness checking: the method comprises the steps of adopting a mode of sending analog data in batches and checking one by one, setting different remote measuring values for each measuring point by an acceptance check device, checking the sent data after sending in batches, checking the data position, and judging whether a remote measuring link is correct or not.
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