A method for storing high-frequency real-time data for microgrid
A real-time data and micro-grid technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve problems such as insufficient data support, loss of original data, lack of data sources for diagnostic analysis, etc., to ensure real-time, Increase the analysis method and the effect of simple design
Inactive Publication Date: 2018-12-18
天津瑞源电气有限公司
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This can reduce the pressure of frequent access to the database, and the storage process is simple, but the original data will be lost, and there is a lack of corresponding data sources for some diagnostic analysis, or insufficient data support
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[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the following embodiments do not limit the present invention in any way.
[0019] A storage method for high-frequency real-time data for microgrids, such as Figure 1~2 shown, including the following steps in order:
[0020] 1) The central controller of the microgrid publishes the data collected from each micro power source to the data server in real time, and the data server immediately notifies the storage service that new data is coming, and the storage service receives the real-time data inside the data server through the callback function. The real-time data includes The subject content and the data block information corresponding to this subject; there are two inbound services, which are respectively set on the main server and the standby server;
[0021] 2) Put the time stamp on the real-time data received by the warehousing service i...
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The invention discloses a method for storing high-frequency real-time data for a microgrid, which comprises the following steps in sequence: 1) receiving real-time data in a data server by a warehousing service through a callback function; 2) timestamping the real-time data received by the warehousing service and storing the timestamp in the message queue; 3) the subject resolver in the warehousing service judges whether the data subject in the message queue in the step 2) is consistent with the subject of the subject resolver, and if the judgment result is No, the subject resolver abandons the analysis of the current data information and waits for the analysis of the next data information; if the judgment result is Yes, the current data is quickly parsed, and the parsed content is writteninto the sequence database in batch during the parsing process; compared with the prior art, the method for storing the high-frequency real-time data of the microgrid adopts the callback method, andthe data is quickly stored in a temporary queue, thereby realizing the real-time storage of the high-frequency data for a long time.
Description
technical field [0001] The invention relates to the technical field of micro-grid control, in particular to a storage method for high-frequency real-time data of a micro-grid. Background technique [0002] Microgrid refers to a small power generation and distribution system composed of distributed power sources, energy storage devices, energy conversion devices, loads, monitoring and protection devices, etc. Microgrid is an autonomous system capable of self-control, protection and management, which can be connected to the external grid or run in isolation. The development and extension of microgrids can fully promote the large-scale access of distributed power sources and renewable energy, and realize the highly reliable supply of various energy forms for loads. Smart grid transition has been widely used at home and abroad in recent years. [0003] The micro-grid database carries the historical data of the micro-grid monitoring system, the data support of the micro-grid fo...
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IPC IPC(8): G06F17/30
Inventor 郭小叶田冯房凯龙
Owner 天津瑞源电气有限公司