CN104036363A - Distributed service bus based power quality information system integration method - Google Patents
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Abstract
The invention discloses a distributed service bus based power quality information system integration method in the technical field of power quality information management. The method includes: respectively encapsulating power quality businesses provided by power quality information systems in all levels and professional application businesses provided by professional application systems in all levels into services; deploying the encapsulated services; creating a power quality service bus instance for each power quality service bus; deploying power quality service bus instances to corresponding bus servers and running the bus servers; registering the services encapsulated by the power quality information system in each level to a service registration center of the power quality service bus in the upper level, and registering the services encapsulated by the professional application system in each level to a service registration center of the power quality service bus in the same level; performing service invocation according to the service information registered by the power quality service buses. By the method, the management problem and performance bottleneck caused by too many integration services are solved.
Description
Technical field
The invention belongs to quality of power supply information management technique field, relate in particular to a kind of electric power power-quality information system integrated approach based on Distributed Services bus.
Background technology
Continuous expansion and various distributed energy access electrical network along with electric system scale, make electric network composition day by day huge and complicated.The nonlinear-loads such as the unbalancedness in electric system, impact are increasing, the various power quality problems such as the voltage distortion causing, voltage fluctuation, voltage flicker are also more and more serious, cause grid supply quality to reduce, even badly influence the safe operation of electrical network.Various complexity, precision, responsive consumer constantly increase simultaneously, and user is more and more higher to the requirement of the quality of power supply and power supply reliability.After 2000, Electric Power Quality On-line Monitor System is developed rapidly.It is core that these monitoring system great majority be take the monitoring terminal of a certain producer and supporting software systems (being commonly referred to front end processor software), sets up data center and application system among a small circle.The difference of the data memory format of the electric energy quality monitoring terminal of producing due to different manufacturers, output format, communication protocol, data encapsulation, causes being difficult to realize sharing and merging of data, has formed " information island ".
Along with electric system is to high voltage, large electrical network, increasingly automated development, between each application system, the demand of information sharing and application integration is urgent all the more, its demand has covered different levels, between the inner different application systems of Utilities Electric Co., to between different Utilities Electric Co.s, all require to realize easily and flexibly information sharing and application integration.Electric energy quality monitoring system is no longer a completely independently system.On the one hand, need and other system, as SCADA system (Supervisory Control And Data Acquisition, data acquisition and supervisor control), generalized information system, metering automation system etc. are carried out alternately; On the other hand, between different electric energy quality monitoring systems, need that wider information is integrated enjoys together.
In order to realize the unified access of different monitoring terminal producer equipment, in recent years Utilities Electric Co. to look for novelty access electric energy quality monitoring terminal to support IEC61850 communication protocol and PQDIF (Power Quality Data Interchange Format, power quality data Interchange Format) standard.IEC61850 standard is the unique international standard of the electric substation automation system based on universal network communication platform, can intercom mutually with mutual between the equipment in object Shi Shi transformer station.PQDIF is the IEEE P1159.3 standard that U.S. electric and standard committee of Electronic Engineering Association (IEEE) formulate, it is totally independent of the soft and hardware of electric energy quality monitoring terminal, can solve preferably the compatibling problem of different manufacturers electric energy quality monitoring terminal data.The execution of these two standards has solved the unified access problem of different manufacturers monitoring equipment to a great extent, has realized the integrated of (especially in transformer station) different manufacturers bottom electric energy quality monitoring data in region and has shared.But and be not suitable for solving the integrated of large-scale quality of power supply information and application, can not solve between different electric power power-quality information systems and electric power power-quality information system and other application systems between integrated.
SOA architectural framework (Service-Oriented Architecture Based, Service Oriented Architecture) there is the advantages such as loose couplings, platform independence, programming language independence, on the basis of the existing electric energy quality monitoring system of compatibility, the information between different electric power power-quality information systems and between electric power power-quality information system and other system that can solve in region is integrated.
Summary of the invention
The object of the invention is to, a kind of electric power power-quality information system integrated approach based on Distributed Services bus is provided, for solving the problem of information sharing and application integration between the inner different application systems of Utilities Electric Co..
To achieve these goals, the technical scheme that the present invention proposes is that a kind of electric power power-quality information system integrated approach based on Distributed Services bus, is characterized in that described method comprises:
Step 1: according to the standard interface of setting, the professional application business packed that the quality of power supply business respectively each layer of electric power power-quality information system being provided provides with each layer of dedicated application system becomes service;
Step 2: dispose the service of encapsulation;
Step 3: for each quality of power supply service bus creates quality of power supply service bus example;
Step 4: quality of power supply service bus example is deployed to corresponding bus server and moves bus server;
Step 5: the service register center by the service registry of each layer of electric power power-quality information system encapsulation to upper strata quality of power supply service bus, the service register center by the service registry of each layer of dedicated application system encapsulation to this layer of quality of power supply service bus;
Step 6: carry out service call according to the information on services of quality of power supply service bus registration.
Described method also comprises, each layer of quality of power supply service bus tested being registered in the connectedness of service of the service register center of self with setting-up time interval; If be registered in the service of the service register center of self, be not communicated with, the service that sends is not communicated with notice.
Described information on services comprises address and the operation statistic behavior of the electric power power-quality information system under service name, service.
Described dedicated application system comprises one or more in SCADA system, generalized information system or metering automation system.
The described information on services according to the registration of quality of power supply service bus carries out service call and comprises:
Sub-step A1: user is according to the standard interface of setting, and the quality of power supply service bus corresponding to described user sends services request;
Sub-step A2: the services request that described quality of power supply service bus sends according to user, in the service register center of quality of power supply service bus, search corresponding service;
Sub-step A3: if do not find corresponding service in the service register center of quality of power supply service bus, carry out sub-step A10; If the service register center at quality of power supply service bus finds corresponding service, carry out sub-step A4;
Sub-step A4: take out information on services from service register center, and obtain the operation statistic behavior of service according to information on services, if the operation statistic behavior of service is in busy condition, to user's return service busy message, and carry out sub-step A10; If the operation statistic behavior of service, in idle condition, is carried out sub-step A5;
Sub-step A5: described quality of power supply service bus finds the address of the affiliated electric power power-quality information system of service according to information on services, periodically check the network connectivty of this service simultaneously, if service is not communicated with, to the unavailable message of user's return service, and carry out sub-step A10; If service is communicated with, carry out sub-step A6;
Sub-step A6: described quality of power supply service bus is according to the electric power power-quality information system under the services request service of calling;
Sub-step A7: the electric power power-quality information system under service, according to services request, judges whether directly to provide service result, if service result is not directly provided, carries out sub-step A8; Otherwise, carry out sub-step A9;
Sub-step A8: the electric power power-quality information system under service forwards services request to its corresponding quality of power supply service bus;
Sub-step A9: obtain service result according to services request, and service result is returned to user;
Sub-step A10: finish.
The present invention has realized the integrated horizontal and information sharing longitudinally and integrated of multi-service, solve the problem of management and the performance bottleneck that because of Integration Services number, too much bring, once avoid single-point pattern bus to break down, will cause the disabled problem of whole system; Meanwhile, service bus, as the core of intelligent information integrated platform, is realized the registration of service, message route and format conversion and service operation period management, and the data integration between finishing service application is with mutual.
Accompanying drawing explanation
Fig. 1 is the integrated general frame of the electric power power-quality information system based on Distributed Services bus;
Fig. 2 is the integrated support composition based on general headquarters' service bus;
Fig. 3 is the integrated support composition based on provincial service bus;
Fig. 4 is general levels phylogenetic relationship structural drawing;
Fig. 5 is the exploitation of Distributed Services bus and uses process flow diagram;
The process flow diagram of Tu6Shi general headquarters quality of power supply service bus services request.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment is elaborated.Should be emphasized that, following explanation is only exemplary, rather than in order to limit the scope of the invention and to apply.
In electric power enterprise, for can Guo Wang company aspect realize wider integrated, be applicable to mutual between Guo Wang company, province company, prefecture-level company and company at county level different layers electric power power-quality information system, and mutual between different system (electric power power-quality information system and other system) in every one deck, the interaction demand between the existing layering of simultaneous adaptation (/ classification) management system and different system.On the basis of SOA technology, the electric power power-quality information system integrated approach based on distributed electrical energy quality service bus has been proposed herein, the general frame of system is as shown in Figure 1.
Architectural framework shown in Fig. 1 is supported the information interaction between different layers, and the lower layer system layer system that makes progress provides service, and upper system calls the service that lower layer system provides, and can get over layer and call, and also can not get over layer to call, and depends primarily on application demand.
Wherein, the superiors of electric power power-quality information system of company level in whole system are netted by state, to other system, do not provide service, are the users of service, by general headquarters' quality of power supply service bus, call the service that each provincial electric power power-quality information system provides; The bottom of system at county level (if any) in whole system is the supplier of service; Economizing level system and the middle layer of prefecture-level system in whole system, is the supplier of service, is again the user of service.
Architectural framework shown in Fig. 1 is a kind of generic structure, when implementing, can adjust flexibly as the case may be.If carry out how province is integrated, as shown in Figure 2, need to apply general headquarters' quality of power supply service bus by three provincial system integrations.Provincial quality of power supply service bus is integrated for application system inside the province, if there is no system at county level or seldom, does not need prefecture-level quality of power supply service bus, needs inside the province integrated system all to pass through the provincial quality of power supply service bus of this province integrated.
Except state's net level electric power power-quality information system, between a plurality of systems of provincial, prefecture-level and at county level (also may not having), need to carry out mutual.As provincial electric power power-quality information system need to carry out alternately with this province existing generalized information system, SCADA system, energy management system etc., obtain needed data.Interactive mode is undertaken by the quality of power supply service bus of this province, with respect to upper system, provincial electric power power-quality information system is ISP, and with respect to the other system (as SCADA system) of this province, provincial electric power power-quality information system is the user of service.Shown in Fig. 3, be the integrated Organization Chart of the provincial service bus of application electric power power-quality information system that this province is disperseed and other system, general levels relation structure diagram as shown in Figure 4.
Below in conjunction with Fig. 5 and Fig. 6, with provincial electric power power-quality information system and state's net example that is integrated into of company level, illustrate implementation procedure of the present invention.As shown in Figure 5, the electric power power-quality information system integrated approach based on Distributed Services bus comprises:
Step 1: according to the interface standard of setting, the professional application business packed that the quality of power supply business respectively provincial electric power power-quality information system being provided provides with provincial dedicated application system becomes service.
(1) definition service interface: net the demand of electric power power-quality information system of company level according to state, the dissimilar service interface that provincial unit is provided carries out Standardization Order.
(2) exploitation service: the service application service of the quality of power supply aspect that province's level system provides it encapsulates, and the interface message (comprising the form of service name, action name, input and output parameter etc.) of service is provided according to canonical form.
(3) exploitation distributed electrical energy quality service bus
Quality of power supply service bus is the critical component in whole system framework, the service that numerous lower layer systems provide if upper strata quality of power supply service bus is integrated, will certainly bring trouble and performance bottleneck in the bus management of upper strata, once and certain one-level bus of single node pattern breaks down, therefore the system of this one-level will paralyse.So for this situation exploitation distributed electrical energy quality service bus, comprise general headquarters' quality of power supply service bus and provincial quality of power supply service bus, its function is basic identical, but the object of application is different, the application purpose of general headquarters' quality of power supply service bus is carry out many provinces system integrated, and the application purpose of provincial quality of power supply service bus is carry out different system inside the province integrated.Therefore, single from application purpose angle, the service of registering in different layers quality of power supply service bus is different.For example, in general headquarters' quality of power supply service bus main registration each economize the service that level system provides, and what in provincial quality of power supply service bus, register is the service that subordinate unit's (as prefecture-level) electric power power-quality information system and other application systems of this province provide.But this can not make the reliability and stability of whole system reach optimum condition.
Step 2: dispose and each layer of quality of power supply service bus that electric power power-quality information system is corresponding.
Strengthen the reliability and stability of whole system, and reduce the maintenance load of general headquarters' quality of power supply service bus, just require distributed electrical energy quality service bus at physics and be all distributed in logic, general headquarters-province company rank quality of power supply service bus of take is example, its distributed being embodied in is physically divided into some nodes by general headquarters-province company quality of power supply service bus, comprising a Host node and some Peer nodes.Host node deployment is in general headquarters, and each Peer node deployment is in each province company.Distributed being embodied in for administering and maintaining of general headquarters-province company rank quality of power supply service bus in logic all do not concentrate on general headquarters, the provincial information on services of registering in bus offers Host node by each Peer node, and Peer node is managed by each province company, the service registry information that general headquarters only need dynamically provide according to Peer node is upgraded the log-on message of general headquarters' service bus.Because each Peer node status in general headquarters-economize quality of power supply service bus of company level is identical, so certain Peer node do not affect the use of whole bus after breaking down, and system is able to normal operation.
Step 3: for each quality of power supply service bus creates quality of power supply service bus example.
Developer determines Peer node number according to the integrated situation of reality, for each Peer node and Host node create a quality of power supply service bus example, this example comprises registration and the management function of the access of the access of communications protocol and conversion, data and conversion, service.Host node has the full detail of each Peer node.
Step 4: quality of power supply service bus example is deployed to corresponding bus server and moves bus server.
Such as, general headquarters' quality of power supply service bus example is deployed to general headquarters' bus server conventionally, and provincial quality of power supply service bus example can be deployed to provincial bus server.
Step 5: the service register center by the service registry of provincial electric power power-quality information system encapsulation to general headquarters' quality of power supply service bus, the service register center by the service registry of provincial dedicated application system encapsulation to provincial quality of power supply service bus.
After operation bus server, the information on services that province's level system is provided (service name, address, affiliated province, functional description and responsible official etc., the wherein provincial electric power power-quality information system address of address for economizing under service) is registered to the service register center of the quality of power supply service bus Host of general headquarters node.
Each Peer node realizes in operational process that to take the time interval setting be the cycle, and the service that check has been registered in bus is connective, when service is unreachable, this node responsible official is sent to notice (as transmission error reporting mail); Otherwise Host node is collected the service registry information of each Peer node, general headquarters carry out provincial service call according to the information in Host node.In addition, can also be according to the realtime running statistical conditions of each Peer node, in time service call person is carried out to information indicating (as when a certain peer node is during in high capacity, this service response time may be longer, now should point out user to carry out after a while service call again).
As shown in Figure 6, the process that general headquarters carry out provincial service call according to the information in Host node is:
Sub-step A1: user, according to the standard interface of setting, sends request to general headquarters' quality of power supply service bus by Web service.
Sub-step A2: the services request that general headquarters' quality of power supply service bus sends according to user, in the service register center of general headquarters' quality of power supply service bus, search corresponding service.
Sub-step A3: if do not find corresponding service in the service register center of general headquarters' quality of power supply service bus, carry out sub-step A10; If the service register center at general headquarters' quality of power supply service bus finds corresponding service, carry out sub-step A4.
Sub-step A4: take out information on services from service register center, and obtain the operation statistic behavior of service according to information on services, if the operation statistic behavior of service is in busy condition, to user's return service busy message, and carry out sub-step A10.If the operation statistic behavior of service, in idle condition, is carried out sub-step A5.
Sub-step A5: general headquarters' quality of power supply service bus finds the address of the affiliated provincial electric power power-quality information system of service according to information on services, periodically check the network connectivty of this service simultaneously, if service is not communicated with, to the unavailable message of user's return service, and carry out sub-step A10; If service is communicated with, carry out sub-step A6.
Sub-step A6: general headquarters' quality of power supply service bus to services request conduct interviews control, message conversion, total line by etc. process after, according to the provincial electric power power-quality information system under the services request service of calling.
Sub-step A7: the provincial electric power power-quality information system under service, according to the parameter in services request (unit encoding), judges whether directly to provide service result, if service result is not directly provided, carries out sub-step A8; Otherwise, carry out sub-step A9.
Sub-step A8: the parameter that the provincial electric power power-quality information system under service imports services request into is according to the standard interface of setting, by Web service, to this provincial quality of power supply service bus, send services request, power quality data or the senior application of by provincial quality of power supply service bus, obtaining provincial following electric power enterprise.
Sub-step A9: according to the parameter of importing in services request, obtain desired data or call senior application, and result is returned to service user with XML form
Sub-step A10: user obtains desired data to returning results to resolve, and data are carried out to analysis and application.
In the services request of above-mentioned general headquarters quality of power supply service bus, when the electric system of Guo Wang company needs subordinate's electric power enterprise data or senior application, tackle own required service information and carry out clearly.In sub-step A7, in order to allow provincial electric power power-quality information system judge, whether can directly provide service, comprise unit encoding in solicited message, this coding can Differentiated Services be that provincial electric power enterprise provides, or is provided by provincial following electric power enterprise.In addition, the information interaction between above-mentioned example Yi Guowang company and provincial company is that example is illustrated, and similarly, the present invention repeats no more the information interaction between provincial company and prefecture-level company and prefecture-level company and company at county level.
The present invention utilizes that the integrated state of distributed electrical energy quality service bus net is of company level, each is provincial, electric power power-quality information system prefecture-level and at county level and other system, realize the integrated horizontal and information sharing longitudinally and integrated of multi-service, solve the problem of management and the performance bottleneck that because of Integration Services number, too much bring, once avoid single-point pattern bus to break down, will cause the disabled problem of whole system.Meanwhile, service bus, as the core of intelligent information integrated platform, is realized the registration of service, message route and format conversion and service operation period management, and the data integration between finishing service application is with mutual.
The above; be only the present invention's embodiment preferably, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (5)
1. the electric power power-quality information system integrated approach based on Distributed Services bus, is characterized in that described method comprises:
Step 1: according to the standard interface of setting, the professional application business packed that the quality of power supply business respectively each layer of electric power power-quality information system being provided provides with each layer of dedicated application system becomes service;
Step 2: dispose the service of encapsulation;
Step 3: for each quality of power supply service bus creates quality of power supply service bus example;
Step 4: quality of power supply service bus example is deployed to corresponding bus server and moves bus server;
Step 5: the service register center by the service registry of each layer of electric power power-quality information system encapsulation to upper strata quality of power supply service bus, the service register center by the service registry of each layer of dedicated application system encapsulation to this layer of quality of power supply service bus;
Step 6: carry out service call according to the information on services of quality of power supply service bus registration.
2. method according to claim 1, is characterized in that described method also comprises, each layer of quality of power supply service bus tested being registered in the connectedness of service of the service register center of self with setting-up time interval; If be registered in the service of the service register center of self, be not communicated with, the service that sends is not communicated with notice.
3. method according to claim 2, is characterized in that described information on services comprises service name, serves the address of affiliated electric power power-quality information system and run statistic behavior.
4. according to the method described in any one claim in claim 1-3, it is characterized in that described dedicated application system comprises one or more in SCADA system, generalized information system or metering automation system.
5. method according to claim 4, is characterized in that the described information on services according to the registration of quality of power supply service bus carries out service call and comprises:
Sub-step A1: user is according to the standard interface of setting, and the quality of power supply service bus corresponding to described user sends services request;
Sub-step A2: the services request that described quality of power supply service bus sends according to user, in the service register center of quality of power supply service bus, search corresponding service;
Sub-step A3: if do not find corresponding service in the service register center of quality of power supply service bus, carry out sub-step A10; If the service register center at quality of power supply service bus finds corresponding service, carry out sub-step A4;
Sub-step A4: take out information on services from service register center, and obtain the operation statistic behavior of service according to information on services, if the operation statistic behavior of service is in busy condition, to user's return service busy message, and carry out sub-step A10; If the operation statistic behavior of service, in idle condition, is carried out sub-step A5;
Sub-step A5: described quality of power supply service bus finds the address of the affiliated electric power power-quality information system of service according to information on services, periodically check the network connectivty of this service simultaneously, if service is not communicated with, to the unavailable message of user's return service, and carry out sub-step A10; If service is communicated with, carry out sub-step A6;
Sub-step A6: described quality of power supply service bus is according to the electric power power-quality information system under the services request service of calling;
Sub-step A7: the electric power power-quality information system under service, according to services request, judges whether directly to provide service result, if service result is not directly provided, carries out sub-step A8; Otherwise, carry out sub-step A9;
Sub-step A8: the electric power power-quality information system under service forwards services request to its corresponding quality of power supply service bus;
Sub-step A9: obtain service result according to services request, and service result is returned to user;
Sub-step A10: finish.
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| CN104036363B (en) | 2017-06-09 |
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