Frequency converter abrupt change processing device and method for high-capacity compressed air energy storage

By sampling parameters in each predefined period of the compressor, calculating the reference control quantity and analysis value, and identifying and correcting the mutation outlier parameters, the problem of misrecognition of parameter mutation caused by timing changes of the compressor in the prior art is solved, and the accurate determination of failure conditions is improved.

CN119720047APending Publication Date: 2025-03-28NANJING RUITUO ELECTRIC CO LTD
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Patent Information

Application Number
CN202510215892.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-02-26
Publication Date
2025-03-28

AI Technical Summary

Technical Problem

The prior art is difficult to accurately identify parameter changes caused by timing changes in compressors, resulting in misunderstanding of compressor failure conditions and reducing the accuracy of failure conditions.

Method used

By sampling the compressor parameters in each predefined period, calculating the reference control quantity and analytical values, combining the numerical arrangement attributes, identifying and correcting the mutation outlier parameters of the compressor, thereby improving the accurate determination of the failure condition.

Benefits of technology

It improves the accuracy of the identification of compressor failure status, prevents outliers and misidentification of parameter outliers caused by timing changes, and ensures the reasonable operation of the compressor and the accurate identification of the failure status.

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Abstract

The invention discloses a frequency converter abrupt change processing device and method for high-capacity compressed air energy storage, and belongs to the technical field of electric digital data processing. In each predefined time period, parameters of any type of compressor at any sampling position of a sampling time point are randomly selected as parameters of a target compressor; according to the numerical value arrangement attribute of the parameters of the compressors of the same type as the parameters of the target compressor, the reference contrast quantity of the parameters of the target compressor is obtained; obtaining an analytic value of the parameter of the target compressor according to the numerical value arrangement attribute of the parameter of the compressor of the same type at the same sampling position as the parameter of the target compressor in the current time period and the numerical value arrangement attribute of the parameter of the compressor of the same type at the same sampling time point of the parameter of the target compressor; and other methods are added, so that the accuracy of affirming the failure condition of the compressor is improved.
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