CN104977855A - Emulated data simulation method for reservoir operation automatic system - Google Patents
Emulated data simulation method for reservoir operation automatic system Download PDFInfo
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Abstract
The invention discloses an emulated data simulation method for a reservoir operation automatic system. According to the method, through analyzing to-be-simulated and generated data required by the reservoir operation automatic system, an actually running reservoir operation automatic system is simulated and various running scenarios are designed. The simulated and generated data are composed of various raw data on water level, rainfall, unit active and reactive power, unit sate, water-affairs calculation result, hydrologic information, messages and the like. Various running scenarios are designed for system simulated training or system commissioning test. Therefore, the scenario reproduction process for the reservoir operation automatic system is accelerated in different inflow conditions. The training quality and the training efficiency are improved, or the outgoing quality of the reservoir operation automatic system is increased. Meanwhile, the on-site system operation efficiency is increased.
Description
Technical field
The present invention relates to a kind of waterpower scheduling automation emulated data analogy method, belong to water conservancy and hydropower technical field of automatic control.
Background technology
Along with the continuous progress of waterpower scheduling automation technical merit and the great attention of each production unit, domestic most hydroelectric power plant and company of net province have all built more complete waterpower scheduling automation, these systems achieve automatic collection, automatic transmission, automatically calculating and process substantially, and advanced applied software is developed on the basis of water leveling platform, these systems have played vital role in daily production, significantly reduce the labour intensity of operator on duty, use decision-making to define very strong supporting role to the control of reservoir.
Along with improving constantly of water adjusting system automatic technology level, system complexity also improves thereupon, also steps gone up new step to the requirement of system final user operational applications ability.The reservoir of important flood control task be assume responsibility in basin for some and in electrical network, assume responsibility for the power station of important electrical generation burden, improve the key that people system's application level on duty and ability to work become protection power station safe operation, system application training becomes an important job.Usual user all complete operation practice and trainings in actual motion system, but some importance and reliability requirement is higher, report and submit the water adjusting system of business information to some important units and department, this training method has larger risk, easily disturbed the normal operation of business by some maloperations, or due to the operating influence of some keys great and dare not operating practice be carried out.Power plant's generally Comparision anxiety on duty during flood season especially flood simultaneously, the personnel paying close attention to watermark protocol information are many, need to carry out carrying out water analysis and making Reservoir Operation Scheme in conjunction with actual rainfall progress simultaneously, it is lower that watermark protocol during this flood carrys out the general frequency of occurrences of several scene, and have more exigence according to training and emulation for this data scene, and need to repeat to reappear this data and carry out several scene.
The engineering larger system integrator that puts into operation adopts configuration type thinking to carry out software development usually in addition; to improve software repeated usage degree and system reliability; after software development completes; engineering staff needs to carry out system configuration according to the service application at each scene, usually to carry out in factory debugging and put into operation the reliability after efficiency and online implementing to improve scene before putting into operation at the scene.Because the debug phase in factory cannot obtain on-the-spot by gathering or communicate the every raw data exchanging and obtain, the inspection of system various functions can only be static check, therefore under different raw data scene, the insufficient system of test verification will expend more Installation and Debugging workload usually at the scene, simultaneously due to some, to carry out several scene longer for recurrence period, may bring more later stage system maintenance work amount to system.
At present about the emulated data analogy method of water adjusting system, the simulation that can only complete definite value produces, ignore the associate feature between every data, as identical carry out water condition under, the change of reservoir level there is certain correlationship with the power generation situation of unit and the rain fall in basin; Simultaneously carry out several scene for some self-defining limit raw data and lack simulation means, the design frequency as exceeded account of the history at some to come under water condition how Simulated Water adjusting system carrys out several situation cannot be simulated by other method.
Summary of the invention
The object of the present invention is to provide a kind of than more comprehensive waterpower scheduling automation emulated data analogy method, introduce the concept that emulated data carrys out several scene, can realize water adjusts emulated data to simulate more truly, realize freely reappearing of some non-common scenes, and some non-common data carry out the self-defined simulation of several scene.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of waterpower scheduling automation emulated data analogy method, comprises the following steps:
1) analyze the feature of the data that waterpower scheduling automation needs simulation to produce, simulation produces these data, and is directly deposited in the table of corresponding storehouse; The described data needing simulation to produce comprise the watermark protocol information that telemetry station gathers, the unit information that unit supervisory system sends, set state information and information about power, the aperture of gate and release floodwatering facility and opening and closing time information, regimen message, water utilities result of calculation;
2) carry out data modeling, be specially:
For watermark protocol information, definition watermark protocol telemetric stations, survey station type and telemeter channel;
For unit information and information about power, installation situation according to waterpower scheduling automation power station carries out unit definition, definition comprises various the waiting of unit active reactive, set state, unit and circuit electricity and simulates raw data period, simulate all kinds raw data default settings of generation as required, according to the set of frequency data generation frequency that data occur;
For gate and release floodwatering facility, according to release floodwatering facility situation definition gatage period;
For water utilities result of calculation, analog simulation period is set according to reservoir reservoir inflow, storage outflow and generating flow period definition situation in waterpower scheduling automation;
Regimen message data illustrates with station number self;
Need to carry out data one-way synchronization according to recovery time point simultaneously, realize the date restoring after analog simulation;
3) carry out data scene editor and definition, be specially:
Data scene comprises historical data scene and self-defining data scene, wherein, historical data scene editor, according to selected time range, defines and generates every historical data scene, according to historic measured data situation, save as various come data scene under said conditions; Self-defining data scene editor, mainly for there will not be in real running environment or recurrent frequency is low carrys out several scene, comprises heavy rain scene and water scene is self-defined;
4) digital simulation is carried out,
As required, extract historic scenery or self-defined scene, the method for digital simulation is specially:
Watermark protocol, unit, gate and release floodwatering facility, water utilities calculate the data first specific data scene of selective extraction, preserve position according to the period defined in each data and database according to current time, data in self-defining data scene are added that the relative time offset of data sequence carries out writing storehouse, thus collection and receive these information and these information write into Databasces are shown accordingly in the actual waterpower scheduling automation operational process of dynamic similation;
Regimen message, owing to belonging to text, is revised corresponding message data and time after obtaining message, is completed the revision of message according to current time after carrying out relative time offset, under writing specified file catalogue, thus completes the simulation of regimen message data.
In aforesaid step 1), unit information comprises meritorious, idle, and set state information comprises set grid-connection, generating, shutdown, stand-by state, and information about power comprises unit electricity and circuit electricity.
In aforesaid step 1), watermark protocol information comprises water level and rainfall, and the feature of rainfall data is: the rule that rainfall raw data produces once counts for reaching the generation of certain value, without producing timing every day during rainfall, several times counting occurs; The feature of waterlevel data is: water level is generally the mode regularly adding luffing and produces data.
In aforesaid step 1), the feature of unit information and information about power data is: it is high that unit data and electric quantity data produce frequency in waterpower scheduling automation, is the Main Basis calculating generating flow and carry out water balanced calculation further.
In aforesaid step 1), the aperture of gate and release floodwatering facility and the data characteristics of opening and closing time information are: the frequency produced in waterpower scheduling automation is low, are to calculate the basis abandoning discharge.
In aforesaid step 1), water utilities result of calculation comprises the period data of the reservoir inflow of reservoir, storage outflow and generating flow, is the direct modeling to water utilities result of calculation.
In aforesaid step 1), the data characteristics of regimen message is: transmit in the mode of text, and the type of message comprises rainfall message, reservoir message, adds report type, and the frequency that data produce has difference in flood season and non-flood period.
Aforesaid step 2) in, survey station type comprises gaging station, precipitation station, water level precipitation station type, telemeter channel comprises that optical fiber is wired, note, marine satellite, big-dipper satellite, GPRS, VHF channel type.
Advantage of the present invention is: invention introduces the concept that emulated data carrys out several scene, can realize water and adjust emulated data to simulate more truly, realize freely reappearing of some historic scenery, and some non-common data carry out the self-defined simulation of several scene; The present invention can produce water adjusting system raw data according to on-site actual situations simulation, be Training Simulation System construction service on the one hand, can be bug check service in system factory on the other hand, thus carry out system test fully, to put into operation efficiency significantly to improve system outgoing and field engineering.
Accompanying drawing explanation
Fig. 1 is external relation and the data flow of existing automation system for reservoir scheduling;
Fig. 2 is emulated data simulation process process flow diagram of the present invention.
Embodiment
Now with embodiment, the present invention is described in further detail by reference to the accompanying drawings.
Need the data gathering and receive multiple external system in usual waterpower scheduling automation operational process, form the business datum of self through calculating and process, then report and submit business information to some interconnected systems.External relation and the data flow of more common automation system for reservoir scheduling refer to Fig. 1, by telemetry station, (transmission channel comprises note channel in water adjusting system safety IIth district, big-dipper satellite channel, fiber channel, marine satellite channel, ultrashort wave (USW) channel etc.) obtain watermark protocol information, unit information is obtained by unit supervisory system, information about power is obtained by calculating fee of electric energy system, the information of acquisition is sent to higher level's water adjusting system and carries out watershed information by water adjusting system safety IIth district to be shared, water adjusting system safety IIth district carries out the mutual of regimen message by water adjusting system safety IIIth district and Hydrology department.Waterpower scheduling automation raw information is transmitted by hardware unit or external system collection usually, under Simulated training environment or the system laboratory debug phase usually cannot to obtain these water adjusting systems easily and run the raw data needed.
The present invention is by analyzing the feature of these categorical datas, and simulation produces these data, and is directly deposited in the table of corresponding storehouse.The data content that water adjusting system needs simulation to produce comprises the watermark protocol information that telemetry station gathers, unit information and the information about power such as set state, unit active reactive, unit electricity, circuit electricity that unit supervisory system sends, the data such as the aperture of gate and release floodwatering facility and opening and closing time, regimen message, water utilities result of calculation, usually the raw data that some are larger, the waterpower scheduling automation of complete function gathers is more, data stream is comparatively complicated, and other raw data data characteristic various types of is as follows:
Watermark protocol
Watermark protocol data normally waterpower scheduling automation gather important raw data, comprise water level and rainfall, data type has from count off certificate and add count off certificate, and the channel of common information transmission has note, the Big Dipper, maritime affairs, wired, VHF etc., and the data of every type have different eigenwerts.The rule that rainfall raw data produces once counts for reaching the generation of certain value, several times counting is there is without producing timing every day during rainfall, water level is generally the mode regularly adding luffing and produces data, by simulation, after producing watermark protocol raw data in the direct table corresponding according to respective rule write into Databasce.
Unit information and information about power
The information such as unit information and information about power mainly comprise that unit is meritorious, idle, set state (mainly refer to unit start, shut down, grid-connected, generating, the state such as subsequent use), unit electricity, circuit electricity; it is higher that unit and electric quantity data produce frequency in waterpower scheduling automation, is the Main Basis calculating generating flow and carry out water balanced calculation further.
Release floodwatering facility
The release floodwatering facility of reservoir mainly comprises the facilities such as floodgate, lower level outlet, construction diversion hole, and gatage and aperture time of origin are the bases abandoning discharge in waterpower scheduling automation, and the frequency that usual data produce is lower.
Water utilities result of calculation
Water utilities result of calculation generally includes reservoir inflow, the period data such as storage outflow and generating flow of reservoir, it is the direct modeling to water utilities result of calculation, usually the great flood warehouse-in water process simulation that frequency is lower is applied to again, to carry out Dispatching Flood simulation.
Regimen message
Regimen message belongs to external data source usually for the waterpower scheduling automation of electric system reservoir, because data are through manual confirmation, the quality of data and Reliability comparotive high, a normally important Data Source when reservoir telemetry station reticular density is rarer.Regimen message transmits in the mode of text, and the type of message comprises rainfall message, reservoir message, adds the types such as report, and the frequency that data produce has certain difference in flood season and non-flood period.
As shown in Figure 2, digital simulation process of the present invention comprises the following steps:
1) data modeling
According to waterpower scheduling automation scale definition watermark protocol telemetric stations, survey station type and telemeter channel, wherein, survey station type comprises the types such as gaging station, precipitation station, water level precipitation station, and telemeter channel comprises the channel types such as optical fiber is wired, note, marine satellite, big-dipper satellite, GPRS, VHF;
Installation situation according to waterpower scheduling automation power station carries out unit definition, and definition comprises various the treating such as unit active reactive, set state, unit and circuit electricity and simulates raw data period; Simulate all kinds raw data default settings of generation as required, according to the set of frequency data generation frequency that data occur;
According to release floodwatering facility situation definition gatage period;
According to reservoir reservoir inflow, storage outflow and generating flow period definition situation in waterpower scheduling automation, analog simulation period is set;
Regimen message data illustrates with station number self;
Need to carry out data one-way synchronization according to recovery time point simultaneously, realize the date restoring after analog simulation.
2) data scene editor and definition
The editor of data scene comprises historical data scene and self-defining data scene, historical data scene editor is according to selected time range, define and generate every historical data scene, according to historic measured data situation, save as various come data scene under said conditions.Historical data scene is selected usually to select according to situations such as the high, medium and low various situation of reservoir level and large, medium and small rain, selects representative and typicalness as far as possible.Self-defining data scene editor is mainly for there will not be in real running environment or recurrent frequency is lower carrys out several scene, mainly comprise heavy rain scene and water scene is self-defined, as in the definition of heavy rain scene, the total amount of a given rainfall and history, different raindrop type distributions can be selected, carry out the distribution of rainfall space-time further according to certain rule, generate self-defined heavy rain data scene; The given design frequency of the self-defined usual meeting of water scene, carries out the temporal distribution of water according to certain rule, then analogue simulation.
3) digital simulation
Carry out self-defining data scene setting according to the unit of waterpower scheduling automation and watermark protocol telemetry station situation, comprise the self-defined situation of change of exerting oneself of unit, the given quantum of rainfall of rainfall at the appointed time carries out rainfall pattern and intensity distribution in scope; Water level specifies variation range to carry out heave distribution.
The method of digital simulation is specially:
Digital simulation is carried out according to dissimilar data according to diverse ways when carrying out digital simulation,
Watermark protocol, unit, gate and water utilities calculate the data first specific data scene of selective extraction, preserve position according to the period in the definition of each data and database according to current time, data in self-defining data scene are added that the relative time offset of data sequence carries out writing storehouse, thus gather in dynamic similation real system operational process and receive these information and these information write into Databasces are shown accordingly.
Regimen message, owing to belonging to text, is revised corresponding message data and time after obtaining message, is completed the revision of message according to current time after carrying out relative time offset, under writing specified file catalogue, thus completes the simulation of regimen message data.
Engineer applied scope of the present invention adjusts Training Simulation System to provide water to adjust raw data source for water on the one hand, realizes history and carrys out several scene and freely reappear or the appearance of self-defined low-frequency data scene; In system factory, the debug phase provides Raw Data Simulation on the other hand, improves debugging and quality inspection in water adjusting system factory, the efficiency thus raising system for field puts into operation.
Claims (8)
1. a waterpower scheduling automation emulated data analogy method, is characterized in that, comprises the following steps:
1) analyze the feature of the data that waterpower scheduling automation needs simulation to produce, simulation produces these data, and is directly deposited in the table of corresponding storehouse; The described data needing simulation to produce comprise the watermark protocol information that telemetry station gathers, the unit information that unit supervisory system sends, set state information and information about power, the aperture of gate and release floodwatering facility and opening and closing time information, regimen message, water utilities result of calculation;
2) carry out data modeling, be specially:
For watermark protocol information, definition watermark protocol telemetric stations, survey station type and telemeter channel;
For unit information and information about power, installation situation according to waterpower scheduling automation power station carries out unit definition, definition comprises various the waiting of unit active reactive, set state, unit and circuit electricity and simulates raw data period, simulate all kinds raw data default settings of generation as required, according to the set of frequency data generation frequency that data occur;
For gate and release floodwatering facility, according to release floodwatering facility situation definition gatage period;
For water utilities result of calculation, analog simulation period is set according to reservoir reservoir inflow, storage outflow and generating flow period definition situation in waterpower scheduling automation;
Regimen message data illustrates with station number self;
Need to carry out data one-way synchronization according to recovery time point simultaneously, realize the date restoring after analog simulation;
3) carry out data scene editor and definition, be specially:
Data scene comprises historical data scene and self-defining data scene, wherein, historical data scene editor, according to selected time range, defines and generates every historical data scene, according to historic measured data situation, save as various come data scene under said conditions; Self-defining data scene editor, mainly for there will not be in real running environment or recurrent frequency is low carrys out several scene, comprises heavy rain scene and water scene is self-defined;
4) digital simulation is carried out,
As required, extract historical data scene or self-defining data scene, the method for digital simulation is specially:
Watermark protocol, unit, gate and release floodwatering facility, water utilities calculate the data first specific data scene of selective extraction, preserve position according to the period defined in each data and database according to current time, data in self-defining data scene are added that the relative time offset of data sequence carries out writing storehouse, thus collection and receive these information and these information write into Databasces are shown accordingly in the actual waterpower scheduling automation operational process of dynamic similation;
Regimen message, owing to belonging to text, is revised corresponding message data and time after obtaining message, is completed the revision of message according to current time after carrying out relative time offset, under writing specified file catalogue, thus completes the simulation of regimen message data.
2. a kind of waterpower scheduling automation emulated data analogy method according to claim 1; it is characterized in that; in described step 1); unit information comprises meritorious, idle; set state information comprises set grid-connection, generating, shutdown, stand-by state, and information about power comprises unit electricity and circuit electricity.
3. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, in described step 1), watermark protocol information comprises water level and rainfall, the feature of rainfall data is: the rule that rainfall raw data produces once counts for reaching the generation of certain value, without producing timing every day during rainfall, several times counting occurs; The feature of waterlevel data is: water level is generally the mode regularly adding luffing and produces data.
4. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, in described step 1), the feature of unit information and information about power data is: it is high that unit data and electric quantity data produce frequency in waterpower scheduling automation, is the Main Basis calculating generating flow and carry out water balanced calculation further.
5. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, in described step 1), the aperture of gate and release floodwatering facility and the data characteristics of opening and closing time information are: the frequency produced in waterpower scheduling automation is low, are to calculate the basis abandoning discharge.
6. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, in described step 1), water utilities result of calculation comprises the period data of the reservoir inflow of reservoir, storage outflow and generating flow, is the direct modeling to water utilities result of calculation.
7. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, in described step 1), the data characteristics of regimen message is: transmit in the mode of text, the type of message comprises rainfall message, reservoir message, adds report type, and the frequency that data produce has difference in flood season and non-flood period.
8. a kind of waterpower scheduling automation emulated data analogy method according to claim 1, it is characterized in that, described step 2) in, survey station type comprises gaging station, precipitation station, water level precipitation station type, telemeter channel comprises that optical fiber is wired, note, marine satellite, big-dipper satellite, GPRS, VHF channel type.
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Address after: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee after: STATE GRID WUHAN HIGH VOLTAGE Research Institute Patentee after: NARI Group Corp. Address before: Nan Shui Road Gulou District of Nanjing city of Jiangsu Province, No. 8 210003 Co-patentee before: STATE GRID WUHAN HIGH VOLTAGE Research Institute Patentee before: NARI Group CORPORATION STATE GRID ELECTRIC POWER INSTITUTE |
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