CN103699760A - Multilayer closed-loop main station detection data source simulation method - Google Patents
Multilayer closed-loop main station detection data source simulation method Download PDFInfo
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Abstract
The invention relates to a simulation method in the electric power system scheduling automation field, in particular to a multilayer closed-loop main station detection data source simulation method. The method comprises the following steps of simulating the full-electric-network steady-state real-time data conforming to the operation mechanism of an electric network through mature electric power simulation software, simulating different fault information through a fault generation module, decomposing the fault information to a remote signaling deflection table, an SOE (sequence of event) table, a remote signaling number table, a remote measuring number table and a transmitting cache area which is used for protecting the record in a signal table or directly storing the record in the signal table into a communication module; reading a real-time database according to different periods through the communication module, uniformly organizing the data according to the data priority of number table, deflection table and device table, and finally forming the simulation data formed by combining the variation data and the period data. By adopting the method, the electric network real-time running data of the electric network under the modes such as normal running mode, maximal running mode, disturbance, accident and snow slide can be provided, and a reasonable and more-comprehensive data source is provided for the detection of different tasks of the system.
Description
Technical field
The present invention relates to the analogy method in a kind of dispatching automation of electric power systems field, be specifically related to a kind of multi-level closed loop main website and detect data source analogy method.
Background technology
Development along with intelligent grid technology, the intelligent level of automation system for the power network dispatching is corresponding being improved also, its functional coverage face is day by day complicated, therefore the requirement of reliability and security is higher, and upgrading, new functional development newly-built in automation system for the power network dispatching and should be more careful while putting into operation.
Yet, domestic aspect the system acceptance and functional verification of dispatch automated system, all lack for a long time and can reduce the data source of actual field environment, mostly to rely on manual type in factory, according to dependence test entry, specific aim local test scene is set and tests or verify, have the limitation of scene and data; And part cannot factory in the function of check, need in system, directly to debug at the scene, be not only subject to the restriction of system state at that time, and have serious security of system hidden danger.
Therefore, providing the closed-loop simulation source consistent with on-the-spot running environment is the first step that electric power scheduling automatization system detects.More existing power system simulation softwares can provide the electric network data that meets operation of power networks mechanism, but the demand of simulated disturbance and Standards Code interface can not meet electric power scheduling automatization system and detect time.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of multi-level closed loop main website and detect data source analogy method, electrical network real-time running data under electrical network normal operating mode, maximum operational mode, disturbance, accident, snowslide isotype can be provided, for the every business of system detects, provide rationally and data source more comprehensively.
The object of the invention is to adopt following technical proposals to realize:
The invention provides a kind of multi-level closed loop main website and detect data source analogy method, its improvements are, described method comprises the steps:
(1) from electric analog software, obtain generated Power System Steady-state telemetry and remote signalling data, deposit the primary equipment class table of real-time data base in;
(2) fault generation module generates fault simulation information, deposits the transmission buffer zone of digital simulation class table and the data communication module of real-time data base in;
(3) data communication module is obtained Power System Steady-state data and fault disturbance analog information from real-time data base, deposits the transmission buffer zone of data communication module in, is combined into final communication data, according to actual field communication environment and system under test (SUT) communication;
(4) data communication module receives the control command that system under test (SUT) sends, and the verification through remote information table in real-time data base and remote regulating information table, sends to electric analog software after verification is qualified;
(5) electric analog software is according to passed control command, adjust state, transformer gear or the generator output of switch tool, and the electric network swim that emulation adjustment brings changes and deposits real-time storehouse in, by data communication module, delta data is fed back to system under test (SUT), reach the effect of closed-loop control.
Further, in described step (1), the generation of Power System Steady-state telemetry comprises from the model of on-site collection actual electric network, figure, data section and external network equivalent information, as the primary data importing power system simulation software of detection resources, as initial section; According to the load variations curve of on-site collection in addition 5% among a small circle power adjustment as power flow changing, input, export uninterrupted electric network swim section;
The primary equipment class table of described real-time data base comprises generator table, transformer table, bus table, circuit table, load meter, switch tool table, isolating switch table and capacity reactance table.
Further, in described step (2), the digital simulation class table of described real-time data base comprises that number table is put in remote signalling displacement table, SOE table, remote signalling, number table and guard signal table are put in remote measurement;
Fault generation module generates fault simulation information, and the type of simulation is divided into electric network fault data and pressure testing data; Described electric network fault data comprise electric network fault, equipment failure and disturbance of data; Pressure testing data comprises short time impact data, long-time pressure data and high frequency degrees of data;
When simulating grid fault and equipment failure, to electric analog software send mode, request is set, receive and arrange after successful respond, upgrade corresponding switch tool table and guard signal table, the remote signalling change information of complete documentation chronologically, be stored in corresponding remote signalling displacement/SOE table, simultaneously electric analog software according to request mode upgrade transmitted telemetry; Data communication module will be deleted remote signalling displacement/SOE table record after reading from real-time data base;
During simulated data disturbance, record artificial remote measurement, several information is put in remote signalling, is stored in artificial remote measurement and remote signalling and puts number table, data communication module will from real-time storehouse, delete artificial remote measurement after reading and several table records are put in remote signalling;
During simulated pressure test data, according to the demand of time, number and frequency, generate remote signalling and the remote measurement change information of sequential complete documentation, directly be stored in the transmission buffer zone of data communication module, data communication module will empty remote signalling and remote measurement change information in buffer zone after reading.
Further, in described step (3), data communication module is obtained Power System Steady-state data and fault disturbance analog information according to the mode periodically reading from real-time data base, by second level read Power System Steady-state data, by Millisecond read failure disturbance analog information; According to the priority of data, form final communication data, the priority of data processing is: put number table > displacement table > equipment list;
According to actual field communication environment and system under test (SUT) communication, comprise according to on-the-spot real network port number and actual stipulations configuring condition (actual stipulations configuring condition is as DL476, IEC60870-5-104 etc.) and carry out communication, adopt data variation transmission and cycle to transmit the mode combining and transmit data, meet telecontrol system telemetry-acquisition variation and be no more than transmission in 3 seconds, remote signalling changes the regulation that is no more than transmission in 1 second; While realizing, set up unified buffer zone and reception buffer zone and the link thread pool of sending, simulate thousands of links concurrent simultaneously, meet the requirement of actual communication completely.
Further, in described step (4), data communication module receives the control command that system under test (SUT) sends, verification through remote information table in real-time data base and remote regulating information table, remote information table and remote regulating information table are set digital simulation class tables, deposit essential information and the procedural information of remote control and remote regulating;
Checking treatment process comprises: signal procedure receives remote control remote regulating and issues checking treatment program, checking treatment program is processed according to current state, current state is that locking or state of a control and equipment current state be not when be inconsistent, verification state is to returning to " unsuccessful ", otherwise verification state correctly sends power system simulation software to; When binary channels or a plurality of operating value arrive continuously, arrive first first and process, and lock; Afterwards to discovery order and consistent abandoning above, locking causes overtime abandoning, state, not to abandoning, abandons and need beam back " unsuccessful " message.
Further, the system that described method is used is that multi-level closed loop main website detects data source simulation system, described system comprises fault generation module, real-time data base, data communication module and the system under test (SUT) connecting successively, and described fault generation module comprises section file submodule, fault simulation submodule and disturbance of data submodule; Described section file submodule, fault simulation submodule and disturbance of data submodule are all connected with real-time data base by the interface of simulation layer; Described data communication module comprises transmission buffer zone and reception buffer zone; Described transmission buffer zone is all connected with system under test (SUT) by the stipulations interface (the stipulations interface of standard is as DL476, IEC60870-5-104 etc.) of standard with reception buffer zone.
Compared with the prior art, the beneficial effect that the present invention reaches is:
1, the invention provides a kind of dispatching automation main station system and detect data source analogue technique, can simulate by different level full electric network stable state real time data, fault data and pressure testing data, and finally form the uniform data source combining of overall situation data and local fault data; Can receive external system control command, and make respective feedback according to order, can provide the closed loop unified data source consistent with on-the-spot running environment height for dispatching automation main station system detects simultaneously.
2, the present invention also provides the communication environment building method that a kind of dispatching automation main station system detects, can be by on-the-spot actual environment configuration link number and protocol type, data transmission requires the telemetry-acquisition variation that reaches telemechanical transmission regulation to be no more than transmission in 3 seconds, remote signalling variation is no more than transmission in 1 second, can provide the communication environment consistent with on-the-spot running environment height for dispatching automation main station system detects.
3, in the present invention, the automation system for the power network dispatching that has disclosed a kind of multi-level closed loop detects data source analogy method, the full electric network stable state real time data that meets operation of power networks mechanism by ripe electric analog software simulation, by fault generation module, simulate all kinds of failure messages, and failure message is decomposed into remote signalling displacement table, SOE table, remote signalling puts the transmission buffer zone that number table, remote measurement are put the record in number table, guard signal table or directly deposited communication module in; Communication module reads real-time storehouse by the different cycles, and according to the data priority organization of unity data of putting number table > displacement table > equipment list, the simulated data of final formation and modification data and cycle data combination.
4, in the present invention, disclosed the actual communication environment building method of a kind of automation system for the power network dispatching, at data communication layer, unified transmission buffer zone has been set and accepts buffer zone and link thread pool; The thread of link thread pool carrys out work according to the working attributes of appointment, is divided into periodically reading real-time database data and refreshing and send buffer data, stipulations conversion, communication transfer, stipulations parsing, internal communication etc.Can simulate thousands of links concurrent simultaneously, meet the requirement of actual communication completely, and general manufacturer only possesses the test link of units when dispatching from the factory test, can not simulate actual communication need.
Accompanying drawing explanation
Fig. 1 is the process flow diagram that multi-level closed loop provided by the invention main website detects data source analogy method;
Fig. 2 is remote control process flow diagram provided by the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in further detail.
The main website that the invention provides a kind of multi-level closed loop detects data source analogy method, can simulate data under all kinds of typical operation of power networks scenes, disturbance scene and extreme fault scenes, for the system of power network schedule automation main station system detects and functional verification provides more true, comprehensive data source.
Its process flow diagram as shown in Figure 1, comprises the steps:
(1) from electric analog software, obtain generated Power System Steady-state telemetry and remote signalling data, deposit the primary equipment class table of real-time data base in;
The generation of Power System Steady-state data, comprises model, figure, data section and external network equivalent information from on-site collection actual electric network, imports ripe power system simulation software, as initial section as the primary data of detection resources; Power adjustment is inputted as power flow changing among a small circle in addition, exports uninterrupted electric network swim section.
The primary equipment class table of real-time data base comprises generator table, transformer table, bus table, circuit table, load meter, disconnecting link table, isolating switch table, capacity reactance table etc.
(2) fault generation module generates fault simulation information, deposits the transmission buffer zone of digital simulation class table and the data communication module of real-time data base in;
The digital simulation class table of real-time data base comprises that number table is put in remote signalling displacement table, SOE table, remote signalling, number table, guard signal table are put in remote measurement.
Fault generation module generates fault simulation information, and the type of simulation is divided into electric network fault data and pressure testing data.Electric network fault data comprise electric network fault, equipment failure, disturbance of data etc.; Pressure testing data comprises short time impact data, long-time pressure data, high frequency degrees of data etc.
When simulating grid fault and equipment failure, to electric analog software send mode, request is set, receive and arrange after successful respond, upgrade corresponding switch tool table and guard signal table, the remote signalling change information of complete documentation chronologically, be stored in corresponding remote signalling displacement/SOE table, simultaneously electric analog software according to request mode upgrade transmitted telemetry; Data communication module will be deleted remote signalling displacement/SOE after reading and show relative recording from real-time storehouse.
During simulated data disturbance, record artificial remote measurement, several information is put in remote signalling, is stored in artificial remote measurement, remote signalling and puts number table, data communication module will be deleted artificial remote measurement from real-time storehouse after reading, number table relative recordings are put in remote signalling.
During simulated pressure test data, generate remote signalling, the remote measurement change information of sequential complete documentation according to the demand of time, number and frequency, be directly stored in the transmission buffer zone of data communication module, data communication module will empty relative recording after reading.
(3) data communication module is obtained Power System Steady-state data and fault disturbance analog information from real-time data base, deposits the transmission buffer zone of data communication module in, is combined into final communication data, according to actual field communication environment and communication;
Data communication module is obtained Power System Steady-state data and fault simulation information according to the mode periodically reading from real-time data base, by second level read Power System Steady-state data, by Millisecond read failure analog information.According to the priority of data, form final data, the priority of data processing is: put number table > displacement table > equipment list.
By actual field communication environment and system under test (SUT) communication, comprise and can carry out communication according to on-the-spot real network port number and actual stipulations configuring condition, adopt data variation transmission and cycle to transmit the mode combining and transmit data, meet telecontrol system telemetry-acquisition variation and be no more than transmission in 3 seconds, remote signalling changes the regulation that is no more than transmission in 1 second.While realizing, set up unified transmission buffer zone and reception buffer zone and link thread pool, can simulate thousands of links concurrent simultaneously, met the requirement of actual communication completely.
(4) data communication module receives the control command that system under test (SUT) sends, and the verification through remote information table in real-time data base and remote regulating information table, sends to electric analog software after verification is qualified;
The control command that reception system under test (SUT) sends over is through the verification of remote information table in real-time data base and remote regulating information table.Remote information table and remote regulating information table are set digital simulation class tables, have deposited essential information and the procedural information of remote control and remote regulating.Processing procedure comprises: signal procedure receives remote control remote regulating and issues checking treatment program, checking treatment program is processed according to current state, current state is that locking or state of a control and equipment current state be not when be inconsistent, verification state is to returning to " unsuccessful ", otherwise verification state correctly sends simulated program to; When binary channels or a plurality of operating value arrive continuously, arrive first first and process, and lock; Afterwards to discovery order and consistent abandoning above, locking causes overtime abandoning, state, not to abandoning, abandons and need beam back " unsuccessful " message.Remote control process flow diagram provided by the invention as shown in Figure 2, is realized the environment of closed-loop control.
(5) electric analog software is according to passed control command, adjust state, transformer gear or the generator output of switch tool, and the electric network swim that emulation adjustment brings changes and deposits real-time storehouse in, by data communication module, delta data is fed back to system under test (SUT), reach the effect of closed loop.
The system that the method for the invention provides is used is that multi-level closed loop main website detects data source simulation system, described system comprises fault generation module, real-time data base, data communication module and the system under test (SUT) connecting successively, and described fault generation module comprises section file submodule, fault simulation submodule and disturbance of data submodule; Described section file submodule, fault simulation submodule and disturbance of data submodule are all connected with real-time data base by the interface of simulation layer; Described data communication module comprises transmission buffer zone and reception buffer zone; Described transmission buffer zone and reception buffer zone all the stipulations interface by standard are connected with system under test (SUT) as DL476, IEC60870-5-104 etc.
Finally should be noted that: above embodiment is only in order to illustrate that technical scheme of the present invention is not intended to limit, although the present invention is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present invention, and do not depart from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of claim scope of the present invention.
Claims (6)
1. multi-level closed loop main website detects a data source analogy method, it is characterized in that, described method comprises the steps:
(1) from electric analog software, obtain generated Power System Steady-state telemetry and remote signalling data, deposit the primary equipment class table of real-time data base in;
(2) fault generation module generates fault simulation information, deposits the transmission buffer zone of digital simulation class table and the data communication module of real-time data base in;
(3) data communication module is obtained Power System Steady-state data and fault disturbance analog information from real-time data base, deposits the transmission buffer zone of data communication module in, is combined into final communication data, according to actual field communication environment and system under test (SUT) communication;
(4) data communication module receives the control command that system under test (SUT) sends, and the verification through remote information table in real-time data base and remote regulating information table, sends to electric analog software after verification is qualified;
(5) electric analog software is according to passed control command, adjust state, transformer gear or the generator output of switch tool, and the electric network swim that emulation adjustment brings changes and deposits real-time storehouse in, by data communication module, delta data is fed back to system under test (SUT), reach the effect of closed-loop control.
2. analogy method as claimed in claim 1, it is characterized in that, in described step (1), the generation of Power System Steady-state telemetry comprises from the model of on-site collection actual electric network, figure, data section and external network equivalent information, primary data as detection resources imports power system simulation software, as initial section; According to the load variations curve of on-site collection in addition 5% among a small circle power adjustment as power flow changing, input, export uninterrupted electric network swim section;
The primary equipment class table of described real-time data base comprises generator table, transformer table, bus table, circuit table, load meter, switch tool table, isolating switch table and capacity reactance table.
3. analogy method as claimed in claim 1, is characterized in that, in described step (2), the digital simulation class table of described real-time data base comprises that number table is put in remote signalling displacement table, SOE table, remote signalling, number table and guard signal table are put in remote measurement;
Fault generation module generates fault simulation information, and the type of simulation is divided into electric network fault data and pressure testing data; Described electric network fault data comprise electric network fault, equipment failure and disturbance of data; Pressure testing data comprises short time impact data, long-time pressure data and high frequency degrees of data;
When simulating grid fault and equipment failure, to electric analog software send mode, request is set, receive and arrange after successful respond, upgrade corresponding switch tool table and guard signal table, the remote signalling change information of complete documentation chronologically, be stored in corresponding remote signalling displacement/SOE table, simultaneously electric analog software according to request mode upgrade transmitted telemetry; Data communication module will be deleted remote signalling displacement/SOE table record after reading from real-time data base;
During simulated data disturbance, record artificial remote measurement, several information is put in remote signalling, is stored in artificial remote measurement and remote signalling and puts number table, data communication module will from real-time storehouse, delete artificial remote measurement after reading and several table records are put in remote signalling;
During simulated pressure test data, according to the demand of time, number and frequency, generate remote signalling and the remote measurement change information of sequential complete documentation, directly be stored in the transmission buffer zone of data communication module, data communication module will empty remote signalling and remote measurement change information in buffer zone after reading.
4. analogy method as claimed in claim 1, it is characterized in that, in described step (3), data communication module is obtained Power System Steady-state data and fault disturbance analog information according to the mode periodically reading from real-time data base, by second level read Power System Steady-state data, by Millisecond read failure disturbance analog information; According to the priority of data, form final communication data, the priority of data processing is: put number table > displacement table > equipment list;
According to actual field communication environment and system under test (SUT) communication, comprise according to on-the-spot real network port number and actual stipulations configuring condition and carry out communication, adopt data variation transmission and cycle to transmit the mode combining and transmit data, meet telecontrol system telemetry-acquisition variation and be no more than transmission in 3 seconds, remote signalling changes the regulation that is no more than transmission in 1 second; While realizing, set up unified buffer zone and reception buffer zone and the link thread pool of sending, simulate thousands of links concurrent simultaneously, meet the requirement of actual communication completely.
5. analogy method as claimed in claim 1, it is characterized in that, in described step (4), data communication module receives the control command that system under test (SUT) sends, verification through remote information table in real-time data base and remote regulating information table, remote information table and remote regulating information table are set digital simulation class tables, deposit essential information and the procedural information of remote control and remote regulating;
Checking treatment process comprises: signal procedure receives remote control remote regulating and issues checking treatment program, checking treatment program is processed according to current state, current state is that locking or state of a control and equipment current state be not when be inconsistent, verification state is to returning to " unsuccessful ", otherwise verification state correctly sends power system simulation software to; When binary channels or a plurality of operating value arrive continuously, arrive first first and process, and lock; Afterwards to discovery order and consistent abandoning above, locking causes overtime abandoning, state, not to abandoning, abandons and need beam back " unsuccessful " message.
6. analogy method as claimed in claim 1, it is characterized in that, the system that described method is used is that multi-level closed loop main website detects data source simulation system, described system comprises fault generation module, real-time data base, data communication module and the system under test (SUT) connecting successively, and described fault generation module comprises section file submodule, fault simulation submodule and disturbance of data submodule; Described section file submodule, fault simulation submodule and disturbance of data submodule are all connected with real-time data base by the interface of simulation layer; Described data communication module comprises transmission buffer zone and reception buffer zone; Described transmission buffer zone is all connected with system under test (SUT) by the stipulations interface of standard with reception buffer zone.
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| CN109066618A (en) * | 2018-09-27 | 2018-12-21 | 国网江苏省电力有限公司 | The switching value method of inspection, device and storage medium based on short-term time scale |
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