CN105071379A - AC-DC coordination control effect evaluation method and AC-DC coordination control effect evaluation device based on multi-source data - Google Patents
AC-DC coordination control effect evaluation method and AC-DC coordination control effect evaluation device based on multi-source data Download PDFInfo
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- CN105071379A CN105071379A CN201510450994.1A CN201510450994A CN105071379A CN 105071379 A CN105071379 A CN 105071379A CN 201510450994 A CN201510450994 A CN 201510450994A CN 105071379 A CN105071379 A CN 105071379A
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Abstract
The invention relates to an AC-DC coordination control effect evaluation method and an AC-DC coordination control effect evaluation device based on multi-source data. The method comprises the following steps: monitoring and acquiring action information of a safety and stability control device in real time; acquiring AC-DC line measurement data; when monitoring action information, extracting AC-DC line measurement data from a moment t-2 to a moment t and AC-DC line measurement data from the moment t to a moment t+3 from a relation database according to the receiving moment t of the action information; acquiring and analyzing an action strategy table file corresponding to the action information, and acquiring action start conditions, regulation start value and regulation data; judging whether the action of the safety and stability control device meets the action start conditions according to the AC-DC line measurement data; and acquiring an evaluation result through comparison. By adopting the method provided by the invention, grid model information, WAMS measurement information, safety control action information and safety control device strategy table file information can be integrated and then comprehensively analyzed, so that a scientific evaluation conclusion about the AC-DC coordination control effect is formed.
Description
Technical field
The present invention relates to power system dispatching technical field, be specifically related to a kind of alternating current-direct current cooperation control effect evaluation method based on multi-source data and device.
Background technology
Power transfer coverage under current electric grid extensive trend failure state conditions is large, the pressure facing the restriction of No. 599, State-level civilian cutting load scale is larger, need the running status understanding and grasping main alternating current-direct current passage, need to be grasped and coordinate region grid power transfer and stabilization of power grids state Ex post, the basic function of in-service monitoring security control device state information is achieved in the system run at present, and also unrealized to the assessment of alternating current-direct current cooperation control effect in ac and dc systems.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of alternating current-direct current cooperation control effect evaluation method based on multi-source data and device, can by electric network model information, WAMS measurement information, peace control action message, security control device Policy Table fileinfo, after Data Integration, carry out total score analyse, thus the assessment result of science is formed to alternating current-direct current cooperation control effect.
The object of the invention is to adopt following technical proposals to realize:
Based on an alternating current-direct current cooperation control effect evaluation method for multi-source data, its improvements are, described method comprises:
(1) real-time listening obtain the action message of safety and stability control device, is stored in relational database by described action message;
(2) obtain ac and dc circuit metric data, and described ac and dc circuit metric data is stored in relational database;
(3) when listening to described action message, then according to the t time of reception of described action message, from described relational database, the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment is extracted;
(4) obtain action policy list file corresponding to described action message and resolve, obtaining action launching condition, regulation and control initiation value and regulation and control data;
(5) judge whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, if, the action being then evaluated as safety and stability control device accurately and perform step (6), if not, then terminates;
(6) more described t to the t+3 moment ac and dc circuit metric data with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
Preferably, described regulation and control data are before the action message of the reception safety and stability control device of action policy list file defined and the active power information of ac and dc circuit after receiving the action message of safety and stability control device.
Preferably, described ac and dc circuit metric data is the actual active power information of 3 seconds ac and dc circuits after first 2 seconds of the action message receiving safety and stability control device and the action message receiving safety and stability control device.
Preferably, described action message and action policy list file corresponding to described action message are and are obtained in the mode of poll by the alarm of the D5000 system query interface that direct transfers according to action keyword.
Preferably, described ac and dc circuit metric data for when listening to described action message, the real time data that the measuring unit PMU obtained by the time series real time data bank interface of D5000 system according to passage ID send.
Preferably, take time period as querying condition, from described relational database, obtain action message corresponding to this time period.
Based on an alternating current-direct current cooperation control recruitment evaluation device for multi-source data, its improvements are, described device comprises:
First acquisition module, obtains the action message of safety and stability control device for real-time listening, is stored in relational database by described action message;
Second acquisition module, for obtaining ac and dc circuit metric data, and is stored in relational database by described ac and dc circuit metric data;
Extraction module, for when listening to described action message, then according to the t time of reception of described action message, extracts the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment from described relational database;
3rd acquisition module, for obtaining action policy list file corresponding to described action message and resolving, obtains action launching condition, regulation and control initiation value and regulation and control data;
Judge module, for judging whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, the action being if so, then evaluated as safety and stability control device is accurate, if not, then terminates;
Comparison module, whether the ac and dc circuit metric data for more described t to the t+3 moment there are differences with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
Beneficial effect of the present invention:
Invention provides a kind of alternating current-direct current cooperation control effect evaluation method based on multi-source data, by electric network model information, WAMS measurement information, peace control action message, security control device Policy Table fileinfo, after Data Integration, carry out total score analyse, thus alternating current-direct current cooperation control effect is formed to the assessment result of science, the implementation status of dispatcher to control effects or control strategy can be helped to assess, when the implementation status of control effects or control strategy is than anticipation poor, release early warning information, thus instruct formulation better peace control strategy, optimize operation of power networks stability.
The on-line storage of data of simultaneously gaining merit to peace control action message and ac and dc circuit based on relevant database realization, to realizing power grid accident inverting and providing aid decision support all will have larger meaning to dispatcher.
Accompanying drawing explanation
Fig. 1 is a kind of alternating current-direct current cooperation control effect evaluation method flow chart based on multi-source data of the present invention;
Fig. 2 is a kind of alternating current-direct current cooperation control recruitment evaluation apparatus structure schematic diagram based on multi-source data of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is elaborated.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, belong to the scope of protection of the invention.
Multi-source data mainly comprises: metric data, security control device action message, security control device strategy file and policy information etc. that PMU send in real time;
A kind of alternating current-direct current cooperation control effect evaluation method based on multi-source data provided by the invention, as shown in Figure 1, comprising:
(1) real-time listening obtain the action message of safety and stability control device, is stored in relational database by described action message;
(2) obtain ac and dc circuit metric data, and described ac and dc circuit metric data is stored in relational database;
(3) when listening to described action message, then according to the t time of reception of described action message, from described relational database, the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment is extracted;
(4) obtain action policy list file corresponding to described action message and resolve, obtaining action launching condition, regulation and control initiation value and regulation and control data;
(5) judge whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, if, the action being then evaluated as safety and stability control device accurately and perform step (6), if not, then terminates;
(6) whether the ac and dc circuit metric data in more described t to t+3 moment there are differences with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
Described regulation and control data are before the action message of the reception safety and stability control device of action policy list file defined and the active power information of ac and dc circuit after receiving the action message of safety and stability control device.
Described ac and dc circuit metric data is the actual active power information of 3 seconds ac and dc circuits after first 2 seconds of the action message receiving safety and stability control device and the action message receiving safety and stability control device.
Described action message and action policy list file corresponding to described action message are and are obtained in the mode of poll by the alarm of the D5000 system query interface that direct transfers according to action keyword.
Described ac and dc circuit metric data for when listening to described action message, the real time data that the measuring unit PMU obtained by the time series real time data bank interface of D5000 system according to passage ID send.
Take time period as querying condition, from described relational database, obtain action message corresponding to this time period.
Such as, structure adopting C/S model, is exactly server/customer end pattern; Server runs and has core resident service routine, energy real-time reception security control device action message, the peace control action message received is saved in relational database by this program simultaneously, and this service routine is also responsible for from D5000 system real-time database, obtain peace control action and the active power of the relevant ac and dc circuit of after first 2 seconds of moment 3 seconds is occurred and line related active power data is saved in relational database with 50 data point sample frequencys per second.
The program that client is run, can according to condition query preservation peace control action data in a database, call and show security control device strategy file, and the peace control action record selected by client, the ac and dc circuit drawn before and after the action moment is gained merit curve, with the moment position of red linear mark peace control action.
After the on-line monitoring program that server runs gets the information of security control device generation action, start the alternating current-direct current cooperation control effect evaluation method based on multi-source data immediately: first resolve up-to-date security control device Policy Table file, obtain security control device action policy information comprise action launching condition and regulate and control initiation value and concrete regulation and control data, obtain the active power of the relevant ac and dc circuit before and after peace control action again, judge what whether the action of security control device was carried out when meeting Policy Table's condition, if so, then peace control action is evaluated as accurate; Then judge that whether the regulation measure of relevant ac and dc circuit after pacifying control action occurs is complete and require to perform according to regulating strategy whether reach desirable regulating effect, if so, be then evaluated as alternating current-direct current regulating effect accurately desirable; If variant, according to the number of difference, provide the Evaluated effect of quantitative differences data, and finally in man-machine interface, release this alternating current-direct current cooperation control effect.
The PMU metric data that a kind of alternating current-direct current cooperation control effect evaluation method based on multi-source data provided by the invention utilizes the collection of power grid regulation main station system, the actuating signal of security control device and security control device strategy file, be analyzed with the actual ac and dc circuit regulation and controlling of information occurred by the policy information of resolving in security control device Policy Table, provide alternating current-direct current Analysis of Coordinating Control result.And related data information and analysis and evaluation result are shown in a picture, the implementation status of dispatcher to control effects or control strategy is helped to assess, when the implementation status of control effects or control strategy is than anticipation poor, release early warning information, thus instruct formulation better peace control strategy, optimization operation of power networks stability.
Based on an alternating current-direct current cooperation control recruitment evaluation device for multi-source data, as shown in Figure 2, described device comprises:
First acquisition module, obtains the action message of safety and stability control device for real-time listening, is stored in relational database by described action message;
Second acquisition module, for obtaining ac and dc circuit metric data, and is stored in relational database by described ac and dc circuit metric data;
Extraction module, for when listening to described action message, then according to the t time of reception of described action message, extracts the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment from described relational database;
3rd acquisition module, for obtaining action policy list file corresponding to described action message and resolving, obtains action launching condition, regulation and control initiation value and regulation and control data;
Judge module, for judging whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, the action being if so, then evaluated as safety and stability control device is accurate, if not, then terminates;
Comparison module, whether the ac and dc circuit metric data for more described t to the t+3 moment there are differences with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
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 with reference to above-described embodiment to invention has been detailed description; those of ordinary skill in the field are to be understood that: still can modify to the specific embodiment of the present invention or equivalent replacement; and not departing from any amendment of spirit and scope of the invention or equivalent replacement, it all should be encompassed within claims of the present invention.
Claims (7)
1., based on an alternating current-direct current cooperation control effect evaluation method for multi-source data, it is characterized in that, described method comprises:
(1) real-time listening obtain the action message of safety and stability control device, is stored in relational database by described action message;
(2) obtain ac and dc circuit metric data, and described ac and dc circuit metric data is stored in relational database;
(3) when listening to described action message, then according to the t time of reception of described action message, from described relational database, the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment is extracted;
(4) obtain action policy list file corresponding to described action message and resolve, obtaining action launching condition, regulation and control initiation value and regulation and control data;
(5) judge whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, if, the action being then evaluated as safety and stability control device accurately and perform step (6), if not, then terminates;
(6) more described t to the t+3 moment ac and dc circuit metric data with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
2. the method for claim 1, it is characterized in that, described regulation and control data are before the action message of the reception safety and stability control device of action policy list file defined and the active power information of ac and dc circuit after receiving the action message of safety and stability control device.
3. the method for claim 1, it is characterized in that, described ac and dc circuit metric data is the actual active power information of 3 seconds ac and dc circuits after first 2 seconds of the action message receiving safety and stability control device and the action message receiving safety and stability control device.
4. the method for claim 1, is characterized in that, described action message and action policy list file corresponding to described action message are and are obtained in the mode of poll by the alarm of the D5000 system query interface that direct transfers according to action keyword.
5. the method for claim 1, it is characterized in that, described ac and dc circuit metric data for when listening to described action message, the real time data that the measuring unit PMU obtained by the time series real time data bank interface of D5000 system according to passage ID send.
6. the method for claim 1, is characterized in that, take time period as querying condition, obtains action message corresponding to this time period from described relational database.
7., based on an alternating current-direct current cooperation control recruitment evaluation device for multi-source data, it is characterized in that, described device comprises:
First acquisition module, obtains the action message of safety and stability control device for real-time listening, is stored in relational database by described action message;
Second acquisition module, for obtaining ac and dc circuit metric data, and is stored in relational database by described ac and dc circuit metric data;
Extraction module, for when listening to described action message, then according to the t time of reception of described action message, extracts the ac and dc circuit metric data of t-2 to t and the ac and dc circuit metric data in t to t+3 moment from described relational database;
3rd acquisition module, for obtaining action policy list file corresponding to described action message and resolving, obtains action launching condition, regulation and control initiation value and regulation and control data;
Judge module, for judging whether the action of described safety and stability control device meets described action launching condition according to described t-2 to the ac and dc circuit metric data of t, the action being if so, then evaluated as safety and stability control device is accurate, if not, then terminates;
Comparison module, whether the ac and dc circuit metric data for more described t to the t+3 moment there are differences with regulation and control data, if not there are differences, the effect being then evaluated as safety and stability control device is accurate, if there are differences, then according to the effect of the Numerical evaluation safety and stability control device of described difference.
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