Method for dynamically checking electric energy value of large power grid
A technology for large power grids and electric energy, which is applied in the field of dynamic verification of electric energy values of large power grids, can solve the problems of unverified data, difficulty in guaranteeing data accuracy and reliability, and difficulty in monitoring the operation status of metering devices and acquisition equipment. , to achieve the effect of ensuring accuracy and reliability, and ensuring reliability
Active Publication Date: 2014-12-17
STATE GRID CORP OF CHINA +2
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Problems solved by technology
[0002] The domestic wide-area electric energy measurement system covers all aspects of power generation, transmission, transformation, distribution, and use, and collects a large amount of data. However, due to factors such as abnormal metering devices and acquisition equipment, abnormal communication, etc., the accuracy and reliability of the data are difficult to guarantee.
At present, there is a lack of effective automatic verification functions and means for massive electric energy data, the data cannot be verified, it is difficult to monitor the operation status of metering devices and acquisition equipment, and it cannot meet the high accuracy and high reliability requirements of electric energy metering for electric energy data
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Embodiment 1
[0030] Embodiment 1: as figure 1 As shown, the physical structure of the method for dynamic calibration of the electric energy value of the large power grid of the present invention includes a dynamic calibration server, a webpage display server, and a dynamic calibration model deployed in the dynamic calibration server. The system database includes the electric energy data collected by the wide-area electric energy measurement system, the power time integral data and the real-time record data of the metering device. The triple dynamic check model obtains the collected electric energy data, power time integral data, metering real-time record data and other information from the system database, and analyzes the accuracy and consistency of the data through the triple check algorithm of internal correlation, time series correlation and network balance, and The results of the analysis are transmitted to the webpage display server in a variety of visualized forms, and the webpage i...
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The invention discloses a method for dynamically checking electric energy value of a large power grid. The method includes the following steps: 1, building a dynamic checking model including internal correlation checking, time sequence correlation checking and network balance checking; 2, inputting electric energy data, power time integration data and data recorded by a metering device in real time collected by a wide area electric energy measuring system into a system database; 3, inputting the electric energy data input in the step 2 into the dynamic checking model by the system database, and respectively performing internal correlation checking, time sequence correlation checking and network balance checking; transmitting checking results to a webpage display server for releasing by the dynamic checking model. An effective and accurate large power grid electric energy data checking method is provided, so that the metering device and collecting equipment abnormally running in the large power grid are found timely, and dynamic monitoring of electric energy balance of the whole grid is realized, and accuracy and reliability of wide area electric energy measuring are guaranteed.
Description
technical field [0001] The invention belongs to the technical field of electricity consumption information collection, and in particular relates to a method for dynamically checking the electric energy value of a large power grid. Background technique [0002] The domestic wide-area electric energy measurement system covers all aspects of power generation, transmission, transformation, distribution, and use, and collects a large amount of data. However, due to factors such as abnormal metering devices and acquisition equipment, abnormal communication, etc., the accuracy and reliability of the data are difficult to guarantee. . At present, there is a lack of effective automatic verification functions and means for massive electric energy data, the data cannot be verified, it is difficult to monitor the operation status of metering devices and collection equipment, and it cannot meet the high accuracy and high reliability requirements of electric energy metering for electric e...
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IPC IPC(8): G01R35/04G01R31/00
Inventor 范洁黄奇峰陈霄周玉易永仙李新家尹飞张筠
Owner STATE GRID CORP OF CHINA