CN102867079A - Simple method and system for structuring and filing real-time running way of power grid - Google Patents
Simple method and system for structuring and filing real-time running way of power grid Download PDFInfo
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Abstract
The invention discloses a simple method for structuring and filing a real-time running way of a power grid. The simple method comprises a first step of structuring a data template of the power grid based on a latest structure and latest parameters of the power grid, a second step of structuring a data interface communicating with an EMS (Enhanced Message Service) according to CIM/SVG (Common Information Model)/(Scalable Vector Graphics) so as to extract real-time data from the EMS, a third step of developing a real-time running way generation module, a fourth step of structuring an exact real-time database of the power grid, and a fifth step of building connection with BPA (Bonneville Power Administration) server through a BPA interface and establishing contact between an offline BPA and an online EMS to enable the BPA to share the real-time data of the EMS. The system developed by the method can exceed the EMS on the aspect of some functions, and is an expansion and extension of the EMS function. The system established based on the method can be shared by scheduling, planning, biotechnology, design and other relevant departments or professions, and can play greater benefits within a wider range.
Description
Technical field
The present invention relates to the brief method of a kind of structure for dispatching of power netwoks and filing electrical network real time operation mode.The invention still further relates to the structure that is used for dispatching of power netwoks that is exclusively used in described method and the system of filing the electrical network real time operation mode.
Background technology
The assurance of Real-Time Scheduling is not singly depended in the security of modern power network, depends on simultaneously the in advance analysis of the method for operation.The method of operation need to pay close attention to electrical network now, past and future, this work characteristics has determined that existing dispatching automation EMS can not satisfy its multi-faceted job requirement, also need are by the support of off-line software.Two software systems of powernet analysis and calculated off-line and to deposit be the common reality that the Present Domestic power system operating mode faces, BPA then is one of off-line software of generally adopting of method of operation department.
Although EMS/SCADA can provide electrical network comprehensively to move real-time working condition, but only can provide the electrical network historical data of limited type and limited quantity for ex-post analysis, the historical data that relies on EMS/SCADA to provide can not be reappeared the historical mode of the electrical network that comprises topology network, thereby can not carry out substantial simulation calculation to historical mode, this class simulation calculation need to be used the realization of off-line software at present.
Secondly, the real-time data base that the EMS advanced applied software is relied on and picture storehouse are too huge, are difficult to adapt to the flexible demands of method of operation assessment Electric Power Network Planning and prediction electric load aspect, and at present this alanysis is calculated and also still depended on off-line software.
The 3rd, outside the calculation of method of operation dehumidifying flowmeter, the static security analysis, also to realize the new target such as Reactive Voltage Management, operation of power networks risk assessment and risk management and control, these new function EMS are difficult the support still.
In a word, domestic power system operating mode department is the on-line analysis satisfying work requirements and implement and calculated off-line and the work general plan of depositing, and causes that resource distribution is overlapping, the database maintenance workload strengthens, new functional development difficulty, needs solution badly.
Summary of the invention
First technical matters to be solved by this invention just provides a kind of brief method that makes up and file the electrical network real time operation mode.
Second technical matters to be solved by this invention just provides a kind of system that is exclusively used in structure and the filing electrical network real time operation mode of described method.
Method and system of the present invention, avoided resource distribution overlapping, the flexible demands that can adapt to method of operation assessment Electric Power Network Planning and prediction electric load aspect, also can reappear the historical mode of the electrical network that comprises topology network, historical mode is carried out substantial simulation calculation, and less, the new functional development of database maintenance workload is easy.
Solve above-mentioned first technical matters, the technical solution used in the present invention is:
A kind of brief method that makes up and file the electrical network real time operation mode may further comprise the steps:
The first step, according to the electrical network newest structure, creation analysis electric network data template:
The structure and composition of data template reflection electrical network, content comprises factory's station structure, device parameter, electrical network topology and load level; The station name of factory in the data template is identical with EMS with the equipment name, and the duty values such as data template 10kV bus are equal to the EMS whole feeder lines of the 10kV bus sum of loading of should standing; Data template electricity consumption user name claims to add the date name, and upgrades with electrical network, and the legacy data template was frozen when the new data template produced, and deposits when supplying the analysis of history data in the data template storehouse and calls;
Second step, according to the CIM/SVG standard, make up the data-interface communicate by letter with EMS,, extract real time data from EMS, for the real time operation mode generation provides data source;
The 3rd step, exploitation real time operation mode generation module:
The real time operation mode generation module is enabled the latest data template, extract the EMS real time data by real-time interface, after the data pre-service, enter state estimator, employing is estimated recognizer detection and Identification bad data again based on the bad data of residual sensitivity matrix, adopt weighted least square algorithm to resolve state estimation, try to achieve the electrical network real time operation mode;
The quasi real time database of the 4th step, structure electrical network:
Quasi real time database adopts the date structure, and dayfile is basic unit of storage; The electrical network Real-time Power Flow solution that the real time operation mode generation module is tried to achieve sequentially is stored in the dayfile, and deposit data is in same dayfile on the same day, and the dayfile of same month leaves under the same month catalogue, and the moon catalogue in the same year is positioned under the catalogue in the same year; Dayfile adopts binary format, is comprised of file header and data field two parts; Top of file has defined the form of data field and the pointer of data template, and the data field is sequentially deposited by section and comprised power network topology information in the whole trend solutions of interior real time operation mode; Under the prerequisite of guaranteeing the data acquisition quick calling, adopt the data compression skill, save quasi real time storage space of database; Dayfile electricity consumption user name claims and date Automatic Combined name;
The 5th goes on foot, connects by the BPA interface with the BPA server, sets up contact between off-line BPA and online EMS, realizes BPA enjoying the EMS real time data.
Described real time operation mode generation module and quasi real time per 5 minutes of database upgrade once, a day mode arranges upgrade once every day, operation of power networks analysis and economic analysis monthly, year periodic operation, dock monthly with BPA, per year operation or irregularly move.
Solve above-mentioned second technical matters, the technical solution used in the present invention is:
A kind of system that is exclusively used in structure and the filing electrical network real time operation mode of described method, it is characterized in that: comprise real-time data base, BPA database, PSAS database, quasi real time database, real-time interface, BPA interface, and real time operation mode generation module and data template, described quasi real time database comprises the security monitoring module, the module of consulting the files, day mode module and month report module; Described quasi real time database has with the PSAS database and is connected exchange, described real time operation mode generation module links to each other with the real-time data base of dispatch automated system EMS, links to each other with the BPA database of off-line BPA system by the BPA interface by real-time interface, the output of real time operation mode generation module input data template and the real-time data base that connects by real-time interface, export quasi real time database to, quasi real time the external pc user of database.
The operation in per 5 minutes of described real time operation mode generation module once, quasi real time per 5 minutes of database upgrades once, and a day mode arranges once a day, operation of power networks analysis and economic analysis monthly, year periodic operation, dock with BPA then be monthly, per year operation, or irregularly operation.
Beneficial effect: method and system of the present invention is sent real time data outside to EMS and has been carried out the analyticity extraction, according to strict electrical network theory data analysis is refined, deposit at last the database of structure with the brief form of operation of power networks archives in, develop on this basis that electrical network quasi real time monitors, the functions such as day curve inquiry, trend trend analysis, comprehensive simulation and reproduction history run mode, operation of power networks statistical study, electrical network economy analysis become possibility.System with the inventive method exploitation can surpass EMS on some function, be expansion and the extension of EMS function.
The present invention is by transformation and redevelopment to the existing small-sized off-line analysis software of electrical network, build the integrated analysis platform that connects online EMS and contain off-line BPA, the optimization system resource, reduce the database maintenance amount, make up quasi real time database of electrical network with brief method, preserve the operation of power networks archives, with friendly interface and normalization output, help method of operation personnel to break away from uninteresting data and process, concentrate one's energy in the profound level thinking of power grid security, to realize the qualitative leap of method of operation work efficiency.The system that sets up according to this method can be that scheduling, planning, living skill, design and other relevant departments or specialty are shared simultaneously, the larger benefit of performance in more wide scope.
Description of drawings
Fig. 1 is for making up and filing electrical network real time operation mode basic ideas schematic diagram;
The real-time generation system schematic diagram of Dongguan power system operating mode that Fig. 2 makes up for using the inventive method.
Embodiment
Embodiment
The basic ideas of method of the present invention as shown in Figure 1, the real-time generation system of Dongguan power system operating mode that makes up with the inventive method as shown in Figure 2, wherein PSAS is the small electrical analysis software that the Dongguan electrical network uses at present.
The brief method of structure of the present invention and filing electrical network real time operation mode may further comprise the steps:
The first step, according to the electrical network newest structure, creation analysis electric network data template:
The structure and composition of data template reflection electrical network, content comprises factory's station structure, device parameter, electrical network topology and load level; The station name of factory in the data template is identical with EMS with the equipment name, and the duty values such as data template 10kV bus are equal to the EMS whole feeder lines of the 10kV bus sum of loading of should standing; Data template electricity consumption user name claims to add the date name, and upgrades with electrical network, and the legacy data template was frozen when the new data template produced, and deposits when supplying the analysis of history data in the data template storehouse and calls;
Second step, according to the CIM/SVG standard, make up the data-interface communicate by letter with EMS, extract real time data from EMS, for the real time operation mode generation provides data source;
The 3rd step, exploitation real time operation mode generation module:
The real time operation mode generation module is enabled the latest data template, extract the EMS real time data by real-time interface, after the data pre-service, enter state estimator, employing is estimated recognizer detection and Identification bad data again based on the bad data of residual sensitivity matrix, adopt weighted least square algorithm to resolve state estimation, try to achieve the electrical network real time operation mode;
The quasi real time database of the 4th step, structure electrical network:
Quasi real time database adopts the date structure, and dayfile is basic unit of storage; The electrical network Real-time Power Flow solution that the real time operation mode generation module is tried to achieve sequentially is stored in the dayfile, and deposit data is in same dayfile on the same day, and the dayfile of same month leaves under the same month catalogue, and the moon catalogue in the same year is positioned under the catalogue in the same year; Dayfile adopts binary format, is comprised of file header and data field two parts; Top of file has defined the form of data field and the pointer of data template, and the data field is sequentially deposited by section and comprised power network topology information in the whole trend solutions of interior real time operation mode; Under the prerequisite of guaranteeing the data acquisition quick calling, adopt the data compression skill, save quasi real time storage space of database; Dayfile electricity consumption user name claims and date Automatic Combined name;
The 5th goes on foot, connects by the BPA interface with the BPA server, sets up contact between off-line BPA and online EMS, realizes BPA enjoying the EMS real time data.
The operation in per 5 minutes of real time operation mode generation module once, quasi real time database upgraded once in per 5 minutes, day mode arranges upgrade once every day, operation of power networks analysis and economic analysis monthly, year periodic operation, dock monthly with BPA, per year operation or irregularly move.
Be exclusively used in the system of structure and the filing electrical network real time operation mode of described method, comprise real-time data base, BPA database, PSAS database, quasi real time database, real-time interface, BPA interface, and real time operation mode generation module and data template, quasi real time database comprise the security monitoring module, the module of consulting the files, day mode module and month report module, quasi real time database also has with the PSAS database and is connected exchange, and the real time operation mode generation module links to each other with dispatch automated system EMS, links to each other with off-line BPA system by the BPA interface by real-time interface; Quasi real time database, the quasi real time external pc user of database are exported, exported to the output of real time operation mode generation module input data template with the real time data of being connected the real-time interface connection.
Take Dongguan electrical network 2012 annual electric network compositions as example, table 1 has been listed EMS and has been sent real time data outside and take storage space relatively through the quasi real time database that the inventive method generates, directly use EMS to send the achieved limited function of real time data outside and use electrical network that the inventive method generates quasi real time the powerful application function that can develop of database compare, the enormous benefits of the inventive method on data processing and structure application system is described.
The quasi real time database effect explanation of electrical network that table 1 makes up with the inventive method
Claims (3)
1. one kind makes up and the brief method of filing electrical network real time operation mode, may further comprise the steps:
The first step, according to the electrical network newest structure, creation analysis electric network data template:
The structure and composition of data template reflection electrical network, content comprises factory's station structure, device parameter, electrical network topology and load level; The station name of factory in the data template and equipment name are consistent with EMS, and the duty values such as data template 10kV bus are equal to the EMS whole feeder lines of the 10kV bus sum of loading of should standing; Data template electricity consumption user name claims to add the date name, and upgrades with electrical network, and the legacy data template was frozen when the new data template produced, and deposits when supplying the analysis of history data in the data template storehouse and calls;
Second step, according to the CIM/SVG standard, make up the data-interface communicate by letter with EMS,, extract real time data from EMS, for the real time operation mode generation provides data source;
The 3rd step, exploitation real time operation mode generation module:
The real time operation mode generation module is enabled the latest data template, extract the EMS real time data by real-time interface, after the data pre-service, enter state estimator, employing is estimated recognizer detection and Identification bad data again based on the bad data of residual sensitivity matrix, adopt weighted least square algorithm to resolve state estimation, try to achieve the electrical network real time operation mode;
The quasi real time database of the 4th step, structure electrical network:
Quasi real time database adopts the date structure, and dayfile is basic unit of storage; The electrical network Real-time Power Flow solution that the real time operation mode generation module is tried to achieve sequentially is stored in the dayfile, and deposit data is in same dayfile on the same day, and the dayfile of same month leaves under the same month catalogue, and the moon catalogue in the same year is positioned under the catalogue in the same year; Dayfile adopts binary format, is comprised of file header and data field two parts; Top of file has defined the form of data field and the pointer of data template, and the data field is sequentially deposited by section and comprised power network topology information in the whole trend solutions of interior real time operation mode; Under the prerequisite of guaranteeing the data acquisition quick calling, adopt the data compression skill, save quasi real time storage space of database; Dayfile electricity consumption user name claims and date Automatic Combined name;
The 5th goes on foot, connects by the BPA interface with the BPA server, sets up contact between off-line BPA and online EMS, realizes BPA enjoying the EMS real time data.
2. the brief method of structure according to claim 1 and filing electrical network real time operation mode, it is characterized in that: described real time operation mode generation module and quasi real time per 5 minutes of database upgrade once, day mode arranges upgrade once every day, operation of power networks analysis and economic analysis monthly, year periodic operation, dock monthly with BPA, per year operation or irregularly move.
3. one kind is exclusively used in the structure of method as claimed in claim 1 or 2 and the system of filing the electrical network real time operation mode, it is characterized in that: comprise real-time data base, BPA database, PSAS database, quasi real time database, real-time interface, BPA interface, and real time operation mode generation module and data template, described quasi real time database comprises the security monitoring module, the module of consulting the files, day mode module and month report module; Described quasi real time database has with the PSAS database and is connected exchange, described real time operation mode generation module links to each other with the real-time data base of dispatch automated system EMS, links to each other with the BPA database of off-line BPA system by the BPA interface by real-time interface, the output of real time operation mode generation module input data template and the real-time data base that connects by real-time interface, export quasi real time database to, quasi real time the external pc user of database.
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| CN104463696A (en) * | 2014-11-26 | 2015-03-25 | 国家电网公司 | Power grid operating risk recognition and prevention method and system |
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| CN110687346A (en) * | 2018-07-04 | 2020-01-14 | 国网上海市电力公司 | Method for checking and optimizing power grid voltage abnormity reason data |
| CN112100985A (en) * | 2020-09-10 | 2020-12-18 | 贵州电网有限责任公司 | Transverse and longitudinal interactive power grid multi-source data integration, matching, conversion and synthesis method |
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| CN112100985A (en) * | 2020-09-10 | 2020-12-18 | 贵州电网有限责任公司 | Transverse and longitudinal interactive power grid multi-source data integration, matching, conversion and synthesis method |
| CN114996223A (en) * | 2022-06-15 | 2022-09-02 | 上海博般数据技术有限公司 | Data interaction method and system between heterogeneous systems and electronic equipment |
| CN114996223B (en) * | 2022-06-15 | 2023-06-30 | 上海博般数据技术有限公司 | Data interaction method and system among heterogeneous systems and electronic equipment |
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