A dynamic check method of electric energy value in large power grid
A technology of large power grid and electric energy, applied in the field of dynamic verification of electric energy value of large power grid, can solve the problems of unverified data, difficulty in guaranteeing data accuracy and reliability, lack of automatic verification function of massive power data, etc. Achieve the effect of ensuring accuracy and reliability and ensuring reliability
Active Publication Date: 2016-08-24
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 the electric energy value of a large power grid, comprising the following steps: step 1: establishing a dynamic checking model including internal correlation checking, time series correlation checking and network balance checking; step 2: wide-area The electric energy data collected by the electric energy measurement system, the power time integral data and the real-time recorded data of the metering device are input into the system database; Step 3: The system database inputs the electric energy data entered in step 2 into the dynamic calibration model, and performs internal correlation respectively Calibration, timing correlation verification and network balance verification; the dynamic verification model transmits the verification results to the webpage display server for release. The present invention provides an effective and accurate method for verifying electric energy data of a large power grid, timely discovers abnormal metering devices and acquisition equipment in the large power grid, realizes dynamic monitoring of the power balance of the entire network, and ensures the accuracy and accuracy of wide-area electric energy measurement. reliability.
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): G01R31/00G01R35/04
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