CN105227677A - Based on the electric network fault information processing method of load balancing - Google Patents
Based on the electric network fault information processing method of load balancing Download PDFInfo
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- CN105227677A CN105227677A CN201510684201.2A CN201510684201A CN105227677A CN 105227677 A CN105227677 A CN 105227677A CN 201510684201 A CN201510684201 A CN 201510684201A CN 105227677 A CN105227677 A CN 105227677A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/1001—Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
- H04L67/1004—Server selection for load balancing
- H04L67/1008—Server selection for load balancing based on parameters of servers, e.g. available memory or workload
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Abstract
The present invention relates to a kind of electric network fault information processing method based on load balancing, comprising communication server multi-machine collaborative work preposition in electric network fault information main station system; Electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system; There is multiple preposition communication server in electric network fault information main station system simultaneously, and the quantity of the preposition communication server infinitely can increase the electric network fault information subsystem making electric network fault information main website system access magnitude up to ten thousand, high speed processing standard 103 communication message, uniform distribution load between the preposition communication server of multiple stage of electric network fault information main station system.Adopt the electric network fault information processing method based on load balancing of this kind of structure, the access amount infinite expanding of electric network fault information main website system access electric network fault information subsystem can be realized, and do not reduce communication message treatment effeciency, be applicable to large-scale promotion application.
Description
Technical field
The present invention relates to electric power network technique field, particularly relate to the communication technology, specifically refer to a kind of electric network fault information processing method based on load balancing.
Background technology
For transformer station; bear the circuit of conveying and distribution electric energy; be primary circuit; all devices in primary circuit is all primary equipment; (in other words directly contact with high-tension electricity equipment) such as: transformer, circuit breaker, disconnecting link, instrument transformer, bus etc.; and primary equipment controlled, detect, the equipment protected secondary device, such as: relaying protection, fault oscillograph, stability control device etc.Electric network fault information system major function is collected and the operation information of secondary device in management electrical network in each plant stand and the information collected when electric network fault, comprises fault recorder data and the information such as action report, protection definite value.And to these data, signal comprehensive, statistics, computation and analysis process.Electric network fault information system adopts distributed structure/architecture, be divided into main station system and substation system two parts, comprise the main station system being deployed in net, province, city, regional dispatching center, with the substation system being deployed in transformer station, power plant, main station system uses 103 stipulations to communicate mutually with substation system by electric power communication network.
Electric network fault information system have collected various information during electric network fault, carries out fast processing and ex-post analysis is all of crucial importance to real-time analysis fault.But at present only in the transformer station of 220kV and above, popularize electric network fault information subsystem, all electric network fault information subsystem is not disposed in the transformer station of the One's name is legion of below 220kV, this is wherein except the reason in economic direction, a very important reason is after all transformer stations all dispose electric network fault information subsystem, very large test to the access of electric network fault information main station system and disposal ability, and at present electric network fault information main station system is on the market difficult to all transformer stations of accomplishing that process one is provincial, more need not propose the access of all transformer stations of whole net level.Cause this predicament mainly because the constraint of software architecture and hardware server performance two aspect.Current electric network fault information main station system does not consider the function extending transversely of the preposition communication server when designing, the access of main station system and disposal ability have been limited in a preposition communication server.On the other hand, when accessing substation system, according to the software program method of current main flow, can be access connection at least one thread of use or the process of each substation system, each thread or process need to use certain operations system resource and hardware resource (internal memory, CPU time etc.), cause a hardware server accessing 103 limited communication messages of a certain amount of substation system process, can not unlimited access.
Summary of the invention
The object of the invention is the shortcoming overcoming above-mentioned prior art, provide a kind of can realize the preposition communication server extending transversely, have endless substation system access capability, possess magnanimity standard 103 communication message disposal ability, according to the network bandwidth, the electric network fault information processing method based on load balancing being applicable to large-scale promotion application.
To achieve these goals, the electric network fault information processing method based on load balancing of the present invention has following formation:
Should based on the electric network fault information processing method of load balancing, its main feature is, electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system; Described method comprises:
(1) the several preposition communication server of electric network fault information main station system adopts uniform rules assessment own load, and own load situation is sent to other the preposition communication server by each preposition communication server;
(2) if a certain preposition communication server of electric network fault information main station system breaks down, then the load of the preposition communication server of fault is accepted compared with the preposition communication server of algorithms selection one least-loaded by duty ratio;
(3) if a certain preposition communication server of electric network fault information main station system judges that the load of self exceedes load threshold, then in other preposition communication server, the preposition communication server of a least-loaded is selected to accept the fractional load of this preposition communication server by load comparison algorithm.
Further, described electric network fault information subsystem is deployed in transformer station or power plant, and described Account Dept of electric network fault information main website is deployed on region, provincial or Wang Ji Utilities Electric Co., and geographical space is in diverse location; Described electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system, is specially:
Described electric network fault information subsystem is connected by special optic fibre data network with the preposition communication server of electric network fault information main station system, ICP/IP protocol is adopted to communicate, business stipulations use IEC60870-103, or based on expansion 103 stipulations of IEC60870-103.
Further, described electric network fault information main station system supports the access of the electric network fault information subsystem of magnitude up to ten thousand.
Further, own load situation is sent to other the preposition communication server by each described preposition communication server, is specially:
The heartbeat message of subsidiary running state information is sent to other the preposition communication server by each preposition communication server.
Further, the heartbeat message of subsidiary running state information is sent to other the preposition communication server by each described preposition communication server, is specially:
Described running state information be comprise preposition communication server CPU usage, running status index that memory usage, network occupancy index carry out COMPREHENSIVE CALCULATING gained;
The heartbeat message of incidentally described running status index is sent to other the preposition communication server by each preposition communication server.
Further, a certain preposition communication server of described electric network fault information main station system breaks down, and is specially:
Other preposition communication server of described electric network fault information main station system does not receive the loading condition of this preposition communication server.
Further, described load comparison algorithm specifically comprises:
The relatively running status index of each preposition communication server, selects the preposition communication server that running status index is minimum;
If there is the preposition communication server that multiple running status index is minimum and identical, then compare the number of the electric network fault information subsystem of the minimum and identical preposition communication server access of this running status index, select the preposition communication server that the number of the electric network fault information subsystem of access is maximum;
If it is minimum and identical to there is multiple running status index, and the preposition communication server that the electric network fault information substation number of access is maximum and identical, then according to the priority of each preposition communication server, select the preposition communication server that priority is the highest.
Have employed the electric network fault information processing method based on load balancing in this invention, compared with prior art, there is following useful technique effect:
1, the preposition communication server of electric network fault information main station system has possessed ability extending transversely, may increase access capability and the traffic handling capability of substation system simply by increasing the preposition communication server.
2, the ability that when load is taken over and run when the preposition communication server of electric network fault information main station system possesses fault, load balancing is distributed.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electric network fault information processing system based on load balancing of the present invention.
Embodiment
In order to more clearly describe technology contents of the present invention, conduct further description below in conjunction with specific embodiment.
Technical scheme of the present invention is the ability extending transversely increasing the preposition communication server in electric network fault information main station system, and the access capability and the disposal ability that make to increase by increasing the preposition communication server hardware electric network fault information main station system become possibility.The ability that when load is taken over and run when the electric network fault information main station system possessing the ability extending transversely of the preposition communication server also can increase preposition communication server fault further, load balancing is distributed.
Described method comprises the following steps:
(1) scheme described in is for the treatment of the communication issue between electric network fault information subsystem and electric network fault information main station system, and electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system;
(2) multiple preposition communication server can be there is in the electric network fault information main station system described in, and the quantity of the preposition communication server infinitely can increase simultaneously;
(3) the electric network fault information main station system described in accesses the described electric network fault information subsystem of magnitude up to ten thousand simultaneously, high speed processing magnanimity standard 103 communication message;
(4) the preposition communication server of the electric network fault information main station system described in adopts uniform rules assessment own load, and own load situation is notified other preposition communication server.
(5) when certain the preposition communication server of the electric network fault information main station system described in breaks down, other preposition communication server can monitor it and break down, and is selected the load of the preposition communication server of preposition communication server undertaking fault of a least-loaded by load comparison algorithm.
(6) the preposition communication server monitoring self-operating situation of the electric network fault information main station system described in, if think that own load is too high, a part of load can be accepted at the preposition communication server being selected a least-loaded by load comparison algorithm in other preposition communication server.
In a preferred embodiment, described scheme is for the treatment of the communication issue between electric network fault information subsystem and electric network fault information main station system, electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system, is specially:
Described electric network fault information system comprises substation system and main station system, and wherein substation system is deployed in transformer station or power plant, and main station system is deployed in region, provincial or Wang Ji Utilities Electric Co., and geographical space is in diverse location.Substation system is connected by special optic fibre data network with main station system, and adopt ICP/IP protocol to communicate, business stipulations use IEC60870-103, or based on expansion 103 stipulations of IEC60870-103.
In a preferred embodiment, multiple preposition communication server can be there is in described electric network fault information main station system, and the quantity of the preposition communication server infinitely can increase, and is specially simultaneously:
The preposition communication server and substation system is used to communicate to connect in described electric network fault information main station system, multiple preposition communication server can be there is in electric network fault information main station system simultaneously, and by increasing the preposition communication server to expand the access capability of substation system.
Described electric network fault information main station system strengthens the access amount of substation system by the mode increasing the preposition communication server, described scheme at least supports the access of the substation system of magnitude up to ten thousand, and main station system can ensure the high speed processing of magnanimity standard 103 communication message.
Being the electric network fault information main website system configuration multiple stage preposition communication server during deployment, between the preposition communication server of multiple stage, knowing running status and the loading condition of all preposition communication servers in system by sending the heartbeat message of subsidiary state information between mutually.Described electric network fault information main station system distribute a preposition communication server for each substation system, the preposition communication service given tacit consent to by specifying communicates to connect with it.In this scheme, the substation system that the preposition communication server accesses is considered as load, access substation system is more, and load is larger.Running status and the loading condition of all preposition communication servers in system is known by sending the heartbeat message of subsidiary state information between mutually between the preposition communication server of multiple stage of described electric network fault information main station system.Wherein load is the number of access substation system, running status is by a running status index of the index COMPREHENSIVE CALCULATING such as server CPU usage, memory usage, network occupancy, index passes through the integer representation of 0 ~ 100, and numerical value larger expression operating load is larger.
When certain the preposition communication server of described electric network fault information main station system breaks down, other preposition communication server will not receive the heartbeat message of the preposition communication server of fault, thus judge that this preposition communication server breaks down, now the preposition communication server of other operational excellence will call load comparison algorithm and select optimum preposition communication server undertaking load.The step of load comparison algorithm is:
More each preposition communication server running status index, chooses the server that running status index is minimum.
If there is the running status index of multiple preposition communication server identical, then continues to compare these servers access substation system number, select the server that access substation system is maximum.
If also have multiple preposition communication server to be candidate, the system different priority level that has been each Servers installed in advance, now optionally selects the highest preposition communication server of priority.
Certain preposition communication server Real-Time Monitoring self-operating situation of electric network fault information main station system, when running status index is higher than when arranging threshold value, the preposition communication server being selected a least-loaded by load comparison algorithm in other preposition communication server is accepted a part of load, returns to normal level to make the running status of self.
Have employed the electric network fault information processing method based on load balancing in this invention, compared with prior art, there is following useful technique effect:
1, the preposition communication server of electric network fault information main station system has possessed ability extending transversely, may increase access capability and the traffic handling capability of substation system simply by increasing the preposition communication server.
2, the ability that when load is taken over and run when the preposition communication server of electric network fault information main station system possesses fault, load balancing is distributed.
In this description, the present invention is described with reference to its specific embodiment.But, still can make various amendment and conversion obviously and not deviate from the spirit and scope of the present invention.Therefore, specification and accompanying drawing are regarded in an illustrative, rather than a restrictive.
Claims (7)
1. based on an electric network fault information processing method for load balancing, it is characterized in that, electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system; Described method comprises:
(1) the several preposition communication server of electric network fault information main station system adopts uniform rules assessment own load, and own load situation is sent to other the preposition communication server by each preposition communication server;
(2) if a certain preposition communication server of electric network fault information main station system breaks down, then the load of the preposition communication server of fault is accepted compared with the preposition communication server of algorithms selection one least-loaded by duty ratio;
(3) if a certain preposition communication server of electric network fault information main station system judges that the load of self exceedes load threshold, then in other preposition communication server, the preposition communication server of a least-loaded is selected to accept the fractional load of this preposition communication server by load comparison algorithm.
2. the electric network fault information processing method based on load balancing according to claim 1, it is characterized in that, described electric network fault information subsystem is deployed in transformer station or power plant, described Account Dept of electric network fault information main website is deployed on region, provincial or Wang Ji Utilities Electric Co., and geographical space is in diverse location; Described electric network fault information subsystem is communicated by standard 103 communication message with the preposition communication server of electric network fault information main station system, is specially:
Described electric network fault information subsystem is connected by special optic fibre data network with the preposition communication server of electric network fault information main station system, ICP/IP protocol is adopted to communicate, business stipulations use IEC60870-103, or based on expansion 103 stipulations of IEC60870-103.
3. the electric network fault information processing method based on load balancing according to claim 2, is characterized in that, described electric network fault information main station system supports the access of the electric network fault information subsystem of magnitude up to ten thousand.
4. the electric network fault information processing method based on load balancing according to claim 1, is characterized in that, own load situation is sent to other the preposition communication server by each described preposition communication server, is specially:
The heartbeat message of subsidiary running state information is sent to other the preposition communication server by each preposition communication server.
5. the electric network fault information processing method based on load balancing according to claim 4, is characterized in that, the heartbeat message of subsidiary running state information is sent to other the preposition communication server by each described preposition communication server, is specially:
Described running state information be comprise preposition communication server CPU usage, running status index that memory usage, network occupancy index carry out COMPREHENSIVE CALCULATING gained;
The heartbeat message of incidentally described running status index is sent to other the preposition communication server by each preposition communication server.
6. the electric network fault information processing method based on load balancing according to claim 1, is characterized in that, a certain preposition communication server of described electric network fault information main station system breaks down, and is specially:
Other preposition communication server of described electric network fault information main station system does not receive the loading condition of this preposition communication server.
7. the electric network fault information processing method based on load balancing according to claim 6, is characterized in that, described load comparison algorithm specifically comprises:
The relatively running status index of each preposition communication server, selects the preposition communication server that running status index is minimum;
If there is the preposition communication server that multiple running status index is minimum and identical, then compare the number of the electric network fault information subsystem of the minimum and identical preposition communication server access of this running status index, select the preposition communication server that the number of the electric network fault information subsystem of access is maximum;
If it is minimum and identical to there is multiple running status index, and the preposition communication server that the electric network fault information substation number of access is maximum and identical, then according to the priority of each preposition communication server, select the preposition communication server that priority is the highest.
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| CN106099870A (en) * | 2016-07-08 | 2016-11-09 | 山东鲁能智能技术有限公司 | The protection of a kind of intelligent substation controls the method for function list set configuration operation Autonomic Migration Framework |
| CN115022156A (en) * | 2022-07-22 | 2022-09-06 | 武汉烽火技术服务有限公司 | Network management method and system |
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