CN110212532B - Portable power grid dispatching automation simulation verification system - Google Patents
Portable power grid dispatching automation simulation verification system Download PDFInfo
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- CN110212532B CN110212532B CN201910615616.2A CN201910615616A CN110212532B CN 110212532 B CN110212532 B CN 110212532B CN 201910615616 A CN201910615616 A CN 201910615616A CN 110212532 B CN110212532 B CN 110212532B
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- 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
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- 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
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/20—Simulating, e g planning, reliability check, modelling or computer assisted design [CAD]
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Abstract
The invention relates to a portable power grid dispatching automation simulation verification system, and belongs to the technical field of power system automation. The system comprises a simulation device and an intelligent analysis and point-aligning system; the simulation apparatus includes: the system comprises a data model generation module, an MMS simulation module, a simulation data generation module, a master station simulation module and a monitoring control module; the intelligent analysis and point-to-point system comprises: the remote control system comprises a remote signaling analysis unit, a remote measuring analysis unit, a remote control unit, a remote signaling automatic point-aligning unit and a remote measuring automatic point-aligning unit. The invention realizes the automatic acceptance of the main station and the sub station, and reduces the test time and manual configuration.
Description
Technical Field
The invention belongs to the technical field of power system automation, and relates to a portable power grid dispatching automation simulation verification system.
Background
At present, the joint debugging of information of a dispatching master station and a factory station end is always verified in a manual and real-time sending mode, debugging personnel are required to generate fault signals through actual adding quantity at more information points, or corresponding remote signaling points are generated by actually operating a switch, and the debugging personnel repeatedly do the same point on the spot according to different requirements, so that the time and the labor are consumed. Particularly, the construction of a communication link is generally relatively lagged, the joint debugging time of a plant station end and a main station end is generally later, the time reserved for debugging personnel of a main substation and a substation is limited, the joint debugging is performed in a traditional mode, the joint debugging time is long, the commissioning time of a transformer substation is delayed again and again, the joint debugging of the main station and the plant station end is mainly used for verifying whether the configuration and data forwarding of a data communication network is correct, if a data communication network machine can be verified at the plant station end, and after the construction of the communication link is completed, the data communication network machine automatically sends an information point list needing verification according to a certain rule, the joint debugging time of the main station and the plant station end can be greatly reduced, and the transformer substation is commissioned to be executed.
Disclosure of Invention
In view of this, the present invention provides a portable power grid dispatching automation simulation verification system, which achieves the purpose of automatic acceptance of the main station and the sub station, reduces verification time, and saves manual verification work.
In order to achieve the purpose, the invention provides the following technical scheme:
a portable power grid dispatching automation simulation verification system comprises a simulation device and an intelligent analysis and point-aligning system;
the simulation apparatus includes:
the data model generation module is used for acquiring IEDs of secondary equipment of the transformer substation and generating a model base needing simulation through the SCD file;
the MMS simulation module is used for simulating station control layer information of remote signaling, remote measurement, remote control and the like of the IED equipment;
the simulation data generation module is used for generating data information required by MMS simulation;
the master station simulation module is used for simulating the scheduling master station to carry out data communication with the data communication gateway machine;
the monitoring control module is used for monitoring and controlling the MMS simulation process;
the intelligent analysis and peer-to-peer system comprises:
the remote signaling analysis unit is used for automatically analyzing whether the remote signaling signals of the data communication gateway machine are correctly configured according to the regulation information table;
the telemetering analysis unit is used for automatically analyzing whether the telemetering signal of the data communication gateway machine is correctly configured according to the regulation and control information table;
the remote control unit is used for automatically analyzing whether the remote control signal of the data communication gateway machine is correctly configured according to the regulation and control information table;
the remote signaling automatic point-to-point unit is used for checking whether the forwarding of the data communication gateway machine is correct or not;
and the remote measuring automatic point-to-point unit is used for checking whether the remote measuring value forwarded by the data communication gateway machine is correct or not.
Further, the MMS simulation module includes:
the remote signaling simulation unit is used for simulating the process of transmitting the IED remote signaling deflection upwards and replacing the traditional method of applying fault quantity by operating a switch or a relay protection tester;
the remote measurement simulation unit is used for simulating the process of sending the IED remote measurement change upwards, and can replace the traditional method for generating SV signals through a relay protection tester to perform experimental remote measurement;
the event simulation unit is used for simulating various protection events, fault signals, alarm signals, communication conditions and the like of the IED;
and the remote control simulation unit is used for simulating controllable objects such as a remote control switch, a knife switch, a pressure plate and the like and triggering remote signaling uploading and other processes when the position is changed.
Further, the simulation data generation module includes:
the remote signaling data simulation unit automatically generates all remote signaling data of the simulation system in a state series mode according to AND, OR, NOT and other logic operation;
and the telemetering data simulation unit automatically generates all telemetering data of the simulation device in a state series mode according to arithmetic operations such as addition, subtraction, multiplication, division and the like.
Further, the master station simulation module comprises:
the remote signaling data receiving unit is used for receiving remote signaling data converted by the data communication gateway machine;
the telemetering data receiving unit is used for receiving telemetering data converted by the data communication gateway machine;
and the remote control unit is used for controlling the disconnecting link or the circuit breaker through the data communication gateway.
Further, the supervisory control module comprises:
the MMS process monitoring unit monitors all MMS simulation processes;
the MMS process control unit controls the simulation, stop and the like of the MMS process;
and the state monitoring unit monitors the running state and the report enabling state of the simulation system.
Further, the remote signaling automatic point-to-point unit sends remote signaling data in a state series mode and at fixed time intervals according to actually generated remote signaling forwarding configuration, and the scheduling master station only needs to check whether the data communication gateway is correctly forwarded according to the continuity of the time intervals.
Further, the remote measurement automatic point-aligning unit sends remote measurement value data in a state series mode, a full-scale range value and a fixed time interval according to the actually generated remote measurement forwarding configuration, and the scheduling master station checks whether the remote measurement value forwarded by the data communication gateway machine is correct according to the rule.
Further, the specific process of intelligent analysis in the intelligent analysis and peer-to-peer system includes:
(1) firstly, parameters such as signal time, signal name, signal value, generation time and the like in an MMS simulation record file and a master station simulation record file are analyzed respectively, and parameters such as time, name and the like recorded by a monitoring background are analyzed;
(2) establishing a data association table mainly based on a regulation and control information table according to the uniqueness of signal point time, MMS sending time interval and signal generation time, judging the correctness of the forwarded signal by a fuzzy matching algorithm through a template library, and judging manually if the signal is not successfully matched;
(3) the remote control point is automatically associated by sending a remote control signal to the data communication gateway machine according to the remote signaling information returned by the data communication gateway machine, and the remote control point is matched with the remote control point of the regulation and control information table to verify whether the configuration is correct.
Further, the template library is a template library which establishes correspondence between the signal name of the regulation and control information table, the record name of the monitoring background and the name of the SCD signal point according to the nine unified standard specifications.
The invention has the beneficial effects that:
(1) the invention replaces the actual relay protection, measurement and control and other devices by remote signaling, remote measurement and remote control signals of the simulation multi-IED equipment; a simulation signal library is generated based on the SCD file (the total station system configuration file) and the regulation and control information table, so that manual configuration is reduced;
(2) the invention adopts multi-process, address binding technology and data bus technology to simulate multiple IEDs (intelligent electronic devices) of the transformer substation, thereby avoiding debugging personnel from actually sending fault information, reducing test time, simulating information points which can not be made by a test and ensuring more comprehensive data verification;
(3) the invention adopts a state series customizable mode, and combines logic operation and arithmetic operation to respectively simulate remote signaling and remote measuring data, and can comprehensively and automatically check whether the forwarding configuration of the data communication gateway machine is correct;
(4) the invention realizes the automatic check of the telecontrol configuration information based on the multidimensional association rule, thereby reducing the overlong debugging period caused by configuration errors; the invention adopts time uniqueness and fixed time interval to continuously and sequentially send signal points, thereby achieving the purpose of automatic acceptance check of the main station and the sub station and saving the work of manual verification.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objectives and other advantages of the invention may be realized and attained by the means of the instrumentalities and combinations particularly pointed out hereinafter.
Drawings
For the purposes of promoting a better understanding of the objects, aspects and advantages of the invention, reference will now be made to the following detailed description taken in conjunction with the accompanying drawings in which:
FIG. 1 is a diagram of a simulation verification architecture according to the present invention;
FIG. 2 is a flow chart of the simulation function of the simulation verification system according to the present invention;
fig. 3 is a functional block diagram of intelligent analysis.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The invention is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention. It should be noted that the drawings provided in the following embodiments are only for illustrating the basic idea of the present invention in a schematic way, and the features in the following embodiments and examples may be combined with each other without conflict.
Fig. 1 is a simulation verification structure diagram of the present invention, and as shown in fig. 1, this embodiment provides a portable power grid dispatching automation simulation verification apparatus, which is connected to a data communication gateway through an MMS simulation interface of an 100/1000M adaptive ethernet (a data communication gateway has a plurality of boards, and thus a plurality of MMS simulation interfaces are required), and connected to a master station forwarding interface of the data communication gateway through a master station simulation interface of a 100/1000M adaptive ethernet interface (a plurality of master stations are required to be connected to a plurality of forwarding interfaces).
The hardware of the simulation system meets the following requirements:
a) an embedded structure is adopted;
b) the hardware interface at least comprises: the number of 100/1000M self-adaptive Ethernet interfaces is not less than 4, the number of RS485 interfaces is not less than 2, and the number of IRIG-B time synchronization interfaces is not less than 2;
c) and the system time synchronization supports IRIG-B and SNTP time synchronization.
Fig. 2 is a flowchart of all simulation function implementation, which is specifically as follows:
firstly, a substation configuration file SCD is imported, all IED devices are analyzed, whether the IED devices contain MMS information or not is analyzed, and a CID (IED instance configuration file) file of the IED is separated from the devices with the MMS information.
S1: and (4) from the MMS simulation angle, checking whether the CID file conforms to the IEC61850 standard or not and whether the configuration is standard or not. After the checking is passed, protection events, fault signals, alarm signals, communication working conditions, remote signaling signals, remote measuring signals, control signals and the like are respectively analyzed from the CID file, and the analyzed data signals generate an IEC61850 model library according to a certain rule.
After the IEC61850 model library is established, MMS simulation data needs to be generated, which is detailed as follows:
s2: acquiring specified IED simulation data from an IEC61850 model library, and firstly setting the initial state of all data, namely the initial value of a signal. And establishing operation state series again, wherein each state series needs to be provided with the starting time of data transmission, the time interval of signals and the current state value. The state series is mainly formulated according to simulation logic operation or arithmetic. Considering the functional characteristics of a data communication gateway, a complete simulation of logical or arithmetic operations requires the generation of a plurality of successive states.
S3: loading CID model file, starting simulation device, waiting for data communication network shutdown to enable data report, after enabling successfully, the device takes out state series data, according to state series specified signal time, time interval, state value and other parameters, making MMS data message by sending process and sending to data communication network shutdown. And after the transmission of all the state series is finished, automatically generating an MMS simulation data file.
S4: and simulating the IED equipment of the total station, and repeating the steps S2 and S3.
The method comprises the steps that a master station needs to be simulated synchronously while an IED device is simulated, point tables such as remote signaling, remote measurement and remote control of a regulation and control information table are taken out to form a master station model memory base, a simulation main program communication process is connected with a data communication gateway machine according to an IEC104 or IEC101 protocol, and data such as remote signaling and remote measurement forwarded by the data communication gateway machine are received. And automatically generating a master station simulation data file after the IED device simulation is finished.
Fig. 3 is a functional block diagram of intelligent analysis, which is specifically as follows:
s5: and establishing a template library corresponding to the signal names of the regulation and control information table, the monitoring background record names and the SCD signal point names according to the nine unified standard specifications.
Firstly, parameters such as signal time, signal name, signal value, generation time and the like in the MMS simulation record file and the master station simulation record file are analyzed respectively, and parameters such as time, name and the like recorded by the monitoring background are analyzed.
And establishing a data association table mainly based on the signal point time uniqueness, the MMS sending time interval and the signal generation time, judging the correctness of the forwarded signal by using a fuzzy matching algorithm through a template library established by S5, and judging manually if the signal is not successfully matched.
The remote control point is automatically associated by sending a remote control signal to the data communication gateway machine according to the remote signaling information returned by the data communication gateway machine, and the remote control point is matched with the remote control point of the regulation and control information table to verify whether the configuration is correct.
Through the intelligent analysis, the actual forwarding configuration relationship of the data communication network shutdown machine can be automatically judged, the problems of mismatching, missing distribution, multiple distribution and the like of the data communication network shutdown machine are judged by combining the regulation and control information table, and data association configuration is provided for the master station point-to-point.
And remote signaling automatic point-to-point, generating data in a state series sending mode shown in S2 according to actually generated remote signaling forwarding configuration, and sequentially and continuously sending the remote signaling data at a fixed time interval accumulated by starting time at the remote signaling point time.
The telemetry auto-peer generates data in a state series transmission manner shown in S2 according to the actually generated telemetry forwarding configuration, and continuously transmits telemetry data at a full scale value and at fixed time intervals.
Remote control is carried out on the point-to-point, the data communication network shutdown machine is remotely controlled according to the actually generated remote control forwarding configuration, and whether remote control is successful or not is automatically judged according to the returned remote signaling.
Finally, the above embodiments are only intended to illustrate the technical solutions of the present invention and not to limit the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions, and all of them should be covered by the claims of the present invention.
Claims (7)
1. A portable power grid dispatching automation simulation verification system is characterized by comprising a simulation device and an intelligent analysis and point-aligning system;
the simulation apparatus includes:
the data model generation module is used for acquiring IEDs of secondary equipment of the transformer substation and generating a model base needing simulation through the SCD file;
a Manufacturing Message Specification (MMS) simulation module, configured to simulate station control layer information of the IED device;
the simulation data generation module is used for generating data information required by MMS simulation;
the master station simulation module is used for simulating the scheduling master station to carry out data communication with the data communication gateway machine;
the monitoring control module is used for monitoring and controlling the MMS simulation process;
the intelligent analysis and peer-to-peer system comprises:
the remote signaling analysis unit is used for automatically analyzing whether the remote signaling signals of the data communication gateway machine are correctly configured according to the regulation information table;
the telemetering analysis unit is used for automatically analyzing whether the telemetering signal of the data communication gateway machine is correctly configured according to the regulation and control information table;
the remote control unit is used for automatically analyzing whether the remote control signal of the data communication gateway machine is correctly configured according to the regulation and control information table;
the remote signaling automatic point-to-point unit is used for checking whether the forwarding of the data communication gateway machine is correct or not;
the remote measurement automatic point-aligning unit sends remote measurement value data in a state series mode, a full-scale range value and a fixed time interval according to the actually generated remote measurement forwarding configuration, and the scheduling master station checks whether the remote measurement value forwarded by the data communication gateway machine is correct or not according to the rule;
the specific process of intelligent analysis in the intelligent analysis and point-to-point system comprises the following steps:
(1) firstly, respectively analyzing the signal time, the signal name, the signal value and the generation time in the MMS simulation record file and the master station simulation record file, and then analyzing the time and the name of the monitoring background record;
(2) establishing a data association table mainly based on a regulation and control information table according to the uniqueness of signal point time, MMS sending time interval and signal generation time, judging the correctness of the forwarded signal by a fuzzy matching algorithm through a template library, and judging manually if the signal is not successfully matched;
(3) the remote control point is automatically associated by sending a remote control signal to the data communication gateway machine according to the remote signaling information returned by the data communication gateway machine, and the remote control point is matched with the remote control point of the regulation and control information table to verify whether the configuration is correct.
2. The system of claim 1, wherein the MMS simulation module comprises:
the remote signaling simulation unit is used for simulating the process of transmitting the IED remote signaling displacement;
the remote measurement simulation unit is used for simulating the process of sending the IED remote measurement change;
the event simulation unit is used for simulating the occurrence of protection events, fault signals, alarm signals and communication working conditions of the IED;
and the remote control simulation unit is used for simulating the controllable object and triggering a remote signaling uploading process when the position is changed.
3. The system of claim 1, wherein the simulation data generation module comprises:
the remote signaling data simulation unit automatically generates all remote signaling data of the simulation system in a state series mode according to logical operation;
and the telemetering data simulation unit automatically generates all telemetering data of the simulation device in a state series mode according to arithmetic operation.
4. The portable power grid dispatching automation simulation verification system of claim 1, wherein the master station simulation module comprises:
the remote signaling data receiving unit is used for receiving remote signaling data converted by the data communication gateway machine;
the telemetering data receiving unit is used for receiving telemetering data converted by the data communication gateway machine;
and the remote control unit is used for controlling the disconnecting link or the circuit breaker through the data communication gateway.
5. The system of claim 1, wherein the monitoring control module comprises:
the MMS process monitoring unit monitors all MMS simulation processes;
the MMS process control unit controls the simulation and stop of the MMS process;
and the state monitoring unit monitors the running state and the report enabling state of the simulation system.
6. The system of claim 1, wherein the remote signaling automatic point-aligning unit sends remote signaling data in a state series manner at fixed time intervals according to an actually generated remote signaling forwarding configuration, and the scheduling master station checks whether the forwarding of the data communication gateway machine is correct according to the continuity of the time intervals.
7. The portable power grid dispatching automation simulation verification system of claim 1, wherein the template library is a template library that establishes correspondence between the signal name of the regulation and control information table, the record name of the monitoring background and the name of the SCD signal point according to nine unified standard specifications.
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| CN105511294B (en) * | 2015-11-24 | 2018-05-01 | 积成电子股份有限公司 | Simulation telemechanical Virtual Debugging method based on emulation IED devices |
| CN105262230A (en) * | 2015-11-26 | 2016-01-20 | 国网辽宁省电力有限公司大连供电公司 | Method for establishing portable scheduling master station system to debug newly-built substation |
| CN106329730A (en) * | 2016-09-14 | 2017-01-11 | 国网江苏省电力公司连云港供电公司 | Substation monitoring information automatic acceptance system based on intelligent power grid scheduling system |
| CN106532931B (en) * | 2016-10-09 | 2019-04-19 | 南京南瑞继保电气有限公司 | A kind of electric power system dispatching boss station intelligent batch is to point methods |
| CN107346917B (en) * | 2017-08-10 | 2019-12-03 | 嘉兴恒创电力设计研究院有限公司 | Secondary device based on virtual machine integrates joint debugging method |
| CN107942721A (en) * | 2017-10-30 | 2018-04-20 | 中国电力科学研究院有限公司 | A kind of emulation mode and system of supporting scheduling system to verify |
| CN108400908B (en) * | 2018-02-11 | 2021-05-11 | 国网江苏省电力有限公司电力科学研究院 | Automatic checking and accepting method for monitoring information of transformer substation |
| CN109217470A (en) * | 2018-09-07 | 2019-01-15 | 国网江苏省电力有限公司连云港供电分公司 | It is checked and accepted automatically and check method and system based on the boss station monitoring information for checking and accepting card |
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