CN104035981A - Method and system for optimizing power system simulation data based on XML - Google Patents
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Abstract
The invention discloses a method and system for optimizing power system simulation data based on the XML. The method comprises the steps that a simulation terminal based on transformer substation simulation carries out a registration service on a server based on power grid simulation, and needed service data are purchased from the server based on power grid simulation; the server based on power grid simulation sends the needed service data to the simulation terminal based on transformer substation simulation according to the purchasing requirement based on the XML data format; after receiving the XML data format, the simulation terminal based on transformer substation simulation obtains the service data in the XML data format in an analysis mode and the operation interface related to the simulation terminal is refreshed. According to the method and system for optimizing the power system simulation data based on the XML, optimized XML data files are transmitted according to a purchasing method, only the modified data are transmitted in the data exchange process, void transmission of data is reduced, and high-efficiency application of a transformer substation simulation platform is improved.
Description
Technical field
The present invention relates to Simulating technique in Electric Power System field, be specifically related to a kind of method and system that electric system simulation data are optimized based on XML.
Background technology
Power System Simulator comprises grid simulation and substation simulation, Fig. 1 shows existing Power System Simulator structural representation, this system has comprised the server of supporting grid simulation, and a plurality of emulation terminals of supporting substation simulation, this grid simulation is mainly to set up and enrich complete stable state for grid equipment, electromechanical transient and electro-magnetic transient model, employing electrical power system transient calculates, stable state is calculated, again in conjunction with moving law and the operating troubles event of electrical network, in detail, the transient state of simulating grid truly, stable state dynamic behaviour, strengthen the ability of dispatching of power netwoks person's processing accident, improve the level of operation of power networks.Substation simulation Shi Dui transformer station one secondary device gamut has been carried out modeling and simulating; specifically comprise primary system, control system, measurement system, AC system, straight-flow system, relay protection and the aut.eq. of transformer station and the detailed model of complex automatic system, and consider the impact of substation simulation detailed model on grid simulation abstract model.The major function of substation simulation system has: normal running, equipment-patrolling, accident and the abnormal functions such as simulation, " five is anti-" screen system emulation, training instruction and auxiliary training.The gordian technique adopting has: virtual instrument technique, virtual reality technology, assembly modeling technique and dynamic human machine interface technologies etc.
Fig. 2 shows the method flow diagram of existing grid simulation cross-platform interchange, analogue system based in Fig. 1, server based on grid simulation mainly carries out electric network swim calculating, calculation of fault, and export each branch voltage, electric current, the remote measurement values such as merit angle, the final server based on grid simulation is given each emulation terminal (supporting the emulation terminal in multi-platform terminal) based on substation simulation according to simulation clock propulsion data, support the emulation terminal in multi-platform terminal to receive after the data of server, refresh the related data that emulation server transmits, and user inputs various operation items by terminal interface, emulation terminal judges whether to meet operation logic, if meet operation logic, join time processing queue, further whether the decision event outlet time meets, processing time satisfied in the situation that, time result is fed back to emulation server.
Because electric network swim calculates, calculation of fault, need to separate a large amount of differential equations, take a large amount of CPU and internal memory, also grid simulation module cannot be transplanted on mobile platform at present, therefore in its whole process, server all can be pushed to business end by the result total data of computing, and this pattern can take the transmission capacity of server and business end, along with the emulation terminal of business end is increasing, it is also increasing that server is transferred to the shared load of the invalid data of emulation terminal.And in number of patent application 201310284949.4, provide a kind of Substation Training Simulator secondary device model data describing method at present, it adopts XML (eXtensible Markup Language, extend markup language) data description ability and versatility, make electric analog system there is framework scalable, configuration feature more flexibly, but this patent documentation not characteristic based on XML language description is realized between server end and business end cross-platform data-optimized, cannot realize the optimization of whole Power System Simulator data, alleviate the load of whole system data transmission, it cannot solve the huge of existing middle electric network data database data and may transmit a large amount of gibberishes, these gibberishes have not only increased network burden, also reduced system data service rate.
Summary of the invention
Based on the huge of electric network data database data in prior art, transmit a large amount of gibberishes, the invention provides a kind of method and system that electric system simulation data are optimized based on XML, it can be in conjunction with the advantage of XML format data transmission, according to the mode of ordering, carry out data transmission, reduce invalid data transmission.
The invention provides a kind of method electric system simulation data being optimized based on XML, comprising:
Emulation terminal based on substation simulation carries out registration service to the server based on grid simulation, to the server based on grid simulation, orders needed service data;
Server based on grid simulation sends needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand;
The described emulation terminal based on substation simulation parses the service data in XML data layout after receiving XML data layout, and refreshes the operation interface that emulation terminal is relevant.
The described emulation terminal based on substation simulation carries out registration service to the server based on grid simulation and also comprises:
User's registration or facility registration.
The described server based on grid simulation sends server needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand and comprises:
The described server based on grid simulation sends needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
The described server based on grid simulation sends server needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand and comprises:
In electric network model database, select the needed data of emulation terminal based on substation simulation;
According to the emulation terminal subscription data based on substation simulation, filter;
Whether the data that judge this transmission change with the last data that send, if changed, join and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
Described method also comprises:
The described emulation terminal based on substation simulation is given the described server based on grid simulation by the result feedback of processing.
Accordingly, the present invention also provides a kind of Power System Simulator, comprising:
Emulation terminal based on substation simulation, carries out registration service for the server to based on grid simulation, to the server based on grid simulation, orders needed service data; And for after receiving XML data layout, parse the related data in XML data layout, and refresh the operation interface that emulation terminal is relevant;
Server based on grid simulation, the emulation terminal that user accepts based on substation simulation carries out registration service, and based on XML data layout, to the emulation terminal based on substation simulation, sends needed service data according to order demand.
The described emulation terminal based on substation simulation also carries out user's registration or facility registration for the server to based on grid simulation; The described server based on grid simulation is also for sending needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
The described server based on grid simulation also, for selecting the needed data of emulation terminal based on substation simulation at electric network model database, filters according to the emulation terminal subscription data based on substation simulation; Whether the data that judge this transmission change with the last data that send, if changed, join and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
The described emulation terminal based on substation simulation is also for giving the described server based on grid simulation by the result feedback of processing.
The described emulation terminal based on substation simulation comprises at least one.
Emulation terminal based on substation simulation completes data subscription service to the server based on grid simulation in the present invention, server can be according to the demand of order optimizing data capacity, do not need all data all to send to emulation terminal, server based on grid simulation equally also can compare data, the data of optimized transmission (data mainly for every monthly variation are not transmitted), based on XML data layout, realize data sharing between different platform, emulation server distributing data is pushed on each emulation terminal.Pass through the embodiment of the present invention, the advantage that keeps XML, make full use of electric system simulation just, according to field feature, organize the element of XML file, XML data file after optimizing is transmitted according to the mode of ordering, and the data that only transmission was revised in data exchange process, reduce the invalid transmission of data, improved the high-level efficiency application of substation simulation platform.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is Power System Simulator structural representation of the prior art;
Fig. 2 is the method flow diagram of grid simulation cross-platform interchange of the prior art;
Fig. 3 is the structural representation of the Power System Simulator in the embodiment of the present invention;
Fig. 4 is method flow diagram electric system simulation data being optimized based on XML in the embodiment of the present invention;
Fig. 5 is another process flow diagram of method electric system simulation data being optimized based on XML in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making all other embodiment that obtain under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the present invention is put into grid simulation module on the server with powerful calculating ability and moves, and substation equipment emulation module is put in the terminal of various platforms and moves.Data are optimized to processing, and adopt the data of readable good XML format description bottom transmission, and adopt data-optimized technology, realize data sharing between different platform.
Fig. 3 shows the structural representation of the Power System Simulator in the embodiment of the present invention, comprises emulation terminal and the server based on grid simulation based on substation simulation, wherein:
Emulation terminal based on substation simulation, carries out registration service for the server to based on grid simulation, to the server based on grid simulation, orders needed service data; And for after receiving XML data layout, parse the related data in XML data layout, and refresh the operation interface that emulation terminal is relevant;
Server based on grid simulation, the emulation terminal that user accepts based on substation simulation carries out registration service, and based on XML data layout, to the emulation terminal based on substation simulation, sends needed service data according to order demand.
It should be noted that, should also for the server to based on grid simulation, carry out user's registration or facility registration by the emulation terminal based on substation simulation; This server based on grid simulation is also for sending needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
Concrete, this server based on grid simulation, also for selecting the needed data of emulation terminal based on substation simulation at electric network model database, filters according to the emulation terminal subscription data based on substation simulation; Whether the data that judge this transmission change with the last data that send, if changed, join and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
This emulation terminal based on substation simulation is also for giving the described server based on grid simulation by the result feedback of processing.Should the emulation terminal based on substation simulation can be n, be natural number of 1 or 2 or 3 etc. such as n.
It should be noted that, in the embodiment of native system based in Fig. 2, first be to server, to carry out registration service by emulation terminal, this registration service is to carry out user's registration or facility registration on the one hand, only have and met in user's registration or facility registration situation, server just can be to these emulation terminal propelling datas.This registration service is carried out completing before electric network swim calculating at server in addition, so server is when advancing service data to emulation terminal, need to be optimized filtration to data, the data that meet emulation terminal order just can enter into transmit queue, based on XML data layout, send to emulation terminal, emulation terminal is received after XML data layout, after related data is parsed, refreshes the operation of associative operation interface for users.
Accordingly, Fig. 4 shows method flow diagram electric system simulation data being optimized based on XML in the embodiment of the present invention, comprises the steps:
S401, the emulation terminal based on substation simulation carry out registration service to the server based on grid simulation, to the server based on grid simulation, order needed service data;
It should be noted that, also relate to user's registration or facility registration in this process, subsequent server can send service data to these registered users or device registration, has ensured the security of whole simulated environment.Server based on grid simulation sends needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
S402, the server based on grid simulation send needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand;
Emulation terminal carries out registration service to emulation server, orders needed data.For example: what emulation terminal moved is emulation first station, this endpoint registration is set up after passage so, can tell emulation server to need subscription data list, after now emulation server has calculated, only the data of order can be issued to terminal by the passage of setting up, so just optimized data transmission capacity, do not need all data all to send to terminal, emulation server can compare data equally, the data of optimized transmission (being mainly for not having vicissitudinous data not transmit), have alleviated the pressure of the network bandwidth.
According to the original state essential information of electrical network, emulation server carries out trend, calculation of fault; The data of calculating for electrical network are optimized algorithm, adopt the data of readable good XML format description bottom transmission, realize data sharing between different platform, emulation server distributing data.In electric system simulation calculation procedure, be provided with internal clocking, the internal clocking 0.01S that often passes by is considered as remembering a step-length.When electrical network completes after once calculating, a step-length of the unified propelling of internal clocking.
Further it should be noted that, emulation server, after carrying out electric network swim calculating, is selected the needed data of emulation terminal based on substation simulation in electric network model database; According to the emulation terminal subscription data based on substation simulation, filter; Whether the data that judge this transmission change with the last data that send, if changed, the data after changing are joined and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
S403, the emulation terminal based on substation simulation parse the service data in XML data layout after receiving XML data layout, and refresh the operation interface that emulation terminal is relevant.
Emulation terminal receives the data of order, carries out corresponding Refresh Data processing.Terminal receives the incoming event (Action Events, event of failure etc.) of user interface simultaneously.Whether decision event meets the conditioned disjunction logic of generation.As met, join event handling queue, according to sequencing, event is processed.Finally the result of event handling is carried out to trend next time and calculated by feeding back to emulation server.
Accordingly, Fig. 5 shows another process flow diagram of method electric system simulation data being optimized based on XML in the embodiment of the present invention, comprises the steps:
S501, on emulation server, set up electric network model database;
S502, carry out data abbreviation, the data of selecting transformer station model to need;
S503, according to transformer station model subscription data, filter;
S504, judge whether this secondary data and upper secondary data change, if changed, enter into S505, otherwise process ends;
S505, add data queue, in XML mode, send to emulation terminal;
Finish.
The electric network model database of setting up on emulation server, extracts the data field that substation equipment model needs, and by the useless field of transformer station model is not exported, realizes data abbreviation.For example: the Database field of electrical network
After optimizing, the data of the output that load meter needs are as follows:
| Field | Explanation |
| id | Load name |
| w | Meritorious, electrical network calculates remote measurement value |
| r | Idle, electrical network calculates remote measurement value |
| cosin | Power factor, electrical network calculates remote measurement value |
| ia | A phase current, electrical network calculates remote measurement value |
| ib | B phase current, electrical network calculates remote measurement value |
| ic | C phase current, electrical network calculates remote measurement value |
Then with XML file layout, derive these data.When substation simulation equipment modeling, three-dimensional model file and this document are set up to incidence relation, and set up subscription data sign, for there being the data of ordering sign, emulation server just need to transmit, and has so just greatly reduced the capacity of data transmission.
For example: set up charactron and show the load model description file of 1 electric current of emulation first station/10kV, finally by keyword, set up the incidence relation with electric network data file, and set up data subscription sign.
Load meter XML file:
Three-dimensional model description document:
After the completing of transformer station model foundation, the order list of output desired data, when terminal to server register, the list of submission data subscription.Server more data subscription list transmits data to terminal.
When last emulation server transmits data to terminal, all judge with the data of last time at every turn, if the data that do not change do not send, thereby reach the object of optimizing data.
To sum up, emulation terminal based on substation simulation completes data subscription service to the server based on grid simulation in the present invention, server can be according to the demand of order optimizing data capacity, do not need all data all to send to emulation terminal, server based on grid simulation equally also can compare data, the data of optimized transmission (data mainly for every monthly variation are not transmitted), based on XML data layout, realize data sharing between different platform, emulation server distributing data is pushed on each emulation terminal.Pass through the embodiment of the present invention, the advantage that keeps XML, make full use of electric system simulation just, according to field feature, organize the element of XML file, XML data file after optimizing is transmitted according to the mode of ordering, and the data that only transmission was revised in data exchange process, reduce the invalid transmission of data, improved the high-level efficiency application of substation simulation platform.
One of ordinary skill in the art will appreciate that all or part of step in the whole bag of tricks of above-described embodiment is to come the hardware that instruction is relevant to complete by program, this program can be stored in a computer-readable recording medium, storage medium can comprise: ROM (read-only memory) (ROM, Read Only Memory), random access memory (RAM, Random Access Memory), disk or CD etc.
The method and system that electric system simulation data are optimized based on XML that above embodiment of the present invention provided are described in detail, applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (10)
1. the method based on XML, electric system simulation data being optimized, is characterized in that, comprising:
Emulation terminal based on substation simulation carries out registration service to the server based on grid simulation, to the server based on grid simulation, orders needed service data;
Server based on grid simulation sends needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand;
The described emulation terminal based on substation simulation parses the service data in XML data layout after receiving XML data layout, and refreshes the operation interface that emulation terminal is relevant.
2. method electric system simulation data being optimized based on XML as claimed in claim 1, is characterized in that, the described emulation terminal based on substation simulation carries out registration service to the server based on grid simulation and also comprises:
User's registration or facility registration.
3. method electric system simulation data being optimized based on XML as claimed in claim 2, it is characterized in that, the described server based on grid simulation sends server needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand and comprises:
The described server based on grid simulation sends needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
4. method electric system simulation data being optimized based on XML as claimed in claim 1, it is characterized in that, the described server based on grid simulation sends server needed service data based on XML data layout to the emulation terminal based on substation simulation according to order demand and comprises:
In electric network model database, select the needed data of emulation terminal based on substation simulation;
According to the emulation terminal subscription data based on substation simulation, filter;
Whether the data that judge this transmission change with the last data that send, if changed, join and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
5. method electric system simulation data being optimized based on XML as described in claim 1 to 4 any one, is characterized in that, described method also comprises:
The described emulation terminal based on substation simulation is given the described server based on grid simulation by the result feedback of processing.
6. a Power System Simulator, is characterized in that, comprising:
Emulation terminal based on substation simulation, carries out registration service for the server to based on grid simulation, to the server based on grid simulation, orders needed service data; And for after receiving XML data layout, parse the related data in XML data layout, and refresh the operation interface that emulation terminal is relevant;
Server based on grid simulation, the emulation terminal that user accepts based on substation simulation carries out registration service, and based on XML data layout, to the emulation terminal based on substation simulation, sends needed service data according to order demand.
7. Power System Simulator as claimed in claim 6, is characterized in that, the described emulation terminal based on substation simulation also carries out user's registration or facility registration for the server to based on grid simulation; The described server based on grid simulation is also for sending needed data, services according to order demand to registered user or the corresponding emulation terminal based on substation simulation of device registration.
8. Power System Simulator as claimed in claim 6, it is characterized in that, the described server based on grid simulation also, for selecting the needed data of emulation terminal based on substation simulation at electric network model database, filters according to the emulation terminal subscription data based on substation simulation; Whether the data that judge this transmission change with the last data that send, if changed, join and send data queue, with XML data layout, send to the emulation terminal based on substation simulation.
9. the Power System Simulator as described in claim 6 to 8 any one, is characterized in that, the described emulation terminal based on substation simulation is also for giving the described server based on grid simulation by the result feedback of processing.
10. Power System Simulator as claimed in claim 9, is characterized in that, the described emulation terminal based on substation simulation comprises at least one.
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| CN104035981B (en) | 2017-12-01 |
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