CN109217474B - New energy grid-connected data time-sharing acquisition method based on wireless channel transmission - Google Patents
New energy grid-connected data time-sharing acquisition method based on wireless channel transmission Download PDFInfo
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- CN109217474B CN109217474B CN201811208206.8A CN201811208206A CN109217474B CN 109217474 B CN109217474 B CN 109217474B CN 201811208206 A CN201811208206 A CN 201811208206A CN 109217474 B CN109217474 B CN 109217474B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/126—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission
Abstract
The invention provides a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission, which comprises the following steps of: s1, setting a corresponding acquisition strategy for each distributed new energy power station, wherein the acquisition strategy comprises one or more pieces of acquisition configuration information, the acquisition configuration information comprises one or more acquisition commands, and the acquisition commands comprise acquisition time periods and acquisition periods in the acquisition time periods; and S2, acquiring an acquisition strategy corresponding to the accessed distributed new energy power station. In the invention, the acquisition time period and the acquisition period in the time period are set by self-definition in the acquisition strategy, the minimum acquisition under the data quality required by the power system is achieved, the minimum flow is used to reduce the flow cost of the wireless private network to the minimum, the requirement of the power system on the acquired data can be maintained, and the flow cost of the wireless private network can be minimized.
Description
Technical Field
The invention relates to the technical field of power grid data acquisition, in particular to a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission.
Background
At present, the electric power data acquisition system communicates with an acquisition terminal through an electric power standard protocol, and the system issues acquisition commands to uniformly acquire data according to an acquisition cycle set in the protocol. The accessed distributed new energy power station data are mostly transmitted by adopting a wireless private network channel, the building cost of the wireless private network is lower than that of a dispatching wired private network channel, the wireless private network is easy to maintain and the like, but an obvious short point is that the wireless private network needs to use a wireless private network card. The wireless special network card is generally charged according to flow, if the number of data acquisition measuring points is large, the cost is high for the flow used in a period secret manner, the acquired data measuring points cannot be changed, the requirement of a power system on data is hardly met by simply expanding an acquisition period, meanwhile, the distributed new energy power stations of different types have uniqueness, such as no power generation at night of a photovoltaic power station, no power generation in a low water period of small hydropower stations and the like, in the specific periods, the data requirements of a dispatching system are different, and the uniform acquisition period is obviously not suitable for acquisition.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission.
The invention provides a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission, which comprises the following steps of:
s1, setting a corresponding acquisition strategy for each distributed new energy power station, wherein the acquisition strategy comprises one or more pieces of acquisition configuration information, each piece of acquisition configuration information is associated with an acquisition start date and an acquisition end date, the acquisition configuration information comprises one or more acquisition commands, the acquisition commands comprise acquisition time periods and acquisition periods in the acquisition time periods, and the acquisition time periods are both located in the time periods defined by the acquisition start date and the acquisition end date;
s2, acquiring an acquisition strategy corresponding to the accessed distributed new energy power station;
s3, calling a corresponding acquisition command in an acquisition strategy according to the current time and acquiring a piece of data;
s4, determining the next acquisition time point according to the period in the acquisition order, and returning to step S3 when cycling to the next acquisition time point.
Preferably, the collection strategy is in one-to-one or one-to-many relationship with the distributed new energy power station.
Preferably, in step S1, corresponding numbers are set for the distributed new energy power station and the corresponding collection policy, and in step S2, the corresponding collection policy is called according to the collection policy number associated with the distributed new energy power station.
Preferably, in step S1, when the acquisition configuration information includes a plurality of acquisition commands, the plurality of acquisition commands are arranged in order according to the acquisition start time.
Preferably, in step S1, the start time of the latter acquisition command is delayed from the end time of the former acquisition command in adjacent acquisition commands, or the acquisition cycles in adjacent acquisition commands are different.
Preferably, in the collection strategy, the collection configuration information is arranged according to the collection start date sequence.
According to the new energy grid-connected data time-sharing acquisition method based on wireless channel transmission, a new energy grid-connected data time-sharing acquisition strategy based on wireless channel transmission can set different time periods and acquisition cycles in each time period according to different new energy characteristics (such as no power generation at night of a photovoltaic power station, a low water period of small hydroelectric power generation and the like) for acquisition, the configuration is simple, the data acquisition of a distributed system energy power station is more targeted, the normal acquisition of new energy data is kept, the flow in wireless transmission can be controlled for use, and therefore the cost is saved.
In the invention, the acquisition time period and the acquisition period in the time period are set by self-definition in the acquisition strategy, the minimum acquisition under the data quality required by the power system is achieved, the minimum flow is used to reduce the flow cost of the wireless private network to the minimum, the requirement of the power system on the acquired data can be maintained, and the flow cost of the wireless private network can be minimized.
Drawings
Fig. 1 is a flowchart of a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission according to the present invention.
Detailed Description
Referring to fig. 1, the invention provides a new energy grid-connected data time-sharing acquisition method based on wireless channel transmission, which comprises the following steps.
S1, setting a corresponding acquisition strategy for each distributed new energy power station, wherein the acquisition strategy comprises one or more pieces of acquisition configuration information, each piece of acquisition configuration information is associated with an acquisition start date and an acquisition end date, the acquisition configuration information comprises one or more acquisition commands, the acquisition commands comprise acquisition time periods and acquisition periods on the acquisition time periods, and the acquisition time periods are all located on the time periods defined by the acquisition start date and the acquisition end date. In step S1, in the implementation of the present invention, the start time of the latter acquisition command is delayed from the end time of the former acquisition command in the adjacent acquisition commands, or the acquisition cycles in the adjacent acquisition commands are different. Therefore, the simplicity of the acquisition strategy can be ensured, and the search and the call are convenient.
And S2, acquiring an acquisition strategy corresponding to the accessed distributed new energy power station.
Specifically, in step S1, corresponding numbers are set for the distributed new energy power station and the corresponding acquisition policy, and in step S2, the corresponding acquisition policy is called according to the acquisition policy number associated with the distributed new energy power station. Therefore, the corresponding relation between the distributed new energy power station and the acquisition strategy is realized through the strategy number, the corresponding acquisition strategy is quickly called when the data of the distributed new energy power station is acquired, and the working efficiency is improved.
When the method is specifically implemented, each distributed new energy power station has a corresponding acquisition strategy, and each acquisition strategy can correspond to a plurality of distributed new energy power stations. The method is characterized in that a plurality of acquisition strategies of distributed new energy power stations adopting the same acquisition strategy are combined, and one-to-one or one-to-many relation between the acquisition strategies and the distributed new energy power stations is realized, so that the storage space is saved, and the existence of redundant data is avoided.
And S3, calling a corresponding acquisition command in the acquisition strategy according to the current time and acquiring a piece of data.
S4, determining the next acquisition time point according to the period in the acquisition order, and returning to step S3 when cycling to the next acquisition time point.
In a further embodiment of the present invention, in step S1, when the acquisition configuration information includes a plurality of acquisition commands, the plurality of acquisition commands are sequentially arranged according to the acquisition start time, so as to facilitate the step S3 to sequentially and quickly find the acquisition command corresponding to the current time in the acquisition policy. Similarly, in the present embodiment, in the acquisition policy, the acquisition configuration information is arranged in order according to the acquisition start date.
Therefore, in the embodiment, specific acquisition strategies are formulated for different types of distributed new energy power stations, the configuration is simple, the distributed new energy power stations can be used repeatedly, and data acquisition of the distributed new energy power stations is more targeted. The acquisition strategy can set acquisition time period and acquisition period in the time period in a user-defined mode, minimum acquisition under the data quality required by a power system is achieved, the minimum flow is used, the flow cost of the wireless private network is reduced to the minimum, and therefore cost is effectively saved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention are equivalent to or changed within the technical scope of the present invention.
Claims (3)
1. A new energy grid-connected data time-sharing acquisition method based on wireless channel transmission is characterized by comprising the following steps:
s1, setting a corresponding acquisition strategy for each distributed new energy power station, wherein the acquisition strategy comprises one or more pieces of acquisition configuration information, each piece of acquisition configuration information is associated with an acquisition start date and an acquisition end date, the acquisition configuration information comprises one or more acquisition commands, the acquisition commands comprise acquisition time periods and acquisition periods in the acquisition time periods, and the acquisition time periods are both located in the time periods defined by the acquisition start date and the acquisition end date;
s2, acquiring an acquisition strategy corresponding to the accessed distributed new energy power station;
s3, calling a corresponding acquisition command in an acquisition strategy according to the current time and acquiring a piece of data;
s4, determining the next acquisition time point according to the period in the acquisition command, and returning to the step S3 when the next acquisition time point is circulated;
in step S1, when the acquisition configuration information includes a plurality of acquisition commands, the plurality of acquisition commands are arranged in sequence according to the acquisition start time;
in step S1, the start time of the latter acquisition command is delayed from the end time of the former acquisition command in the adjacent acquisition commands, or the acquisition cycles in the adjacent acquisition commands are different;
the collection strategy and the distributed new energy power station are in one-to-one or one-to-many relationship.
2. The method for time-sharing collection of new energy grid-connected data based on wireless channel transmission according to claim 1, wherein in step S1, corresponding numbers are set for the distributed new energy power station and the corresponding collection strategy, and in step S2, the corresponding collection strategy is called according to the collection strategy number associated with the distributed new energy power station.
3. The new energy grid-connected data time-sharing collection method based on wireless channel transmission according to claim 1, wherein in the collection strategy, the collection configuration information is arranged according to a collection start date sequence.
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