A current transformer calibrator traceability system and method
By designing a traceability system for current transformer calibrators, and utilizing signal superposition and error calculation, the problems of low efficiency and low accuracy in existing technologies are solved, achieving efficient and accurate traceability of current transformer calibrators.
CN116224209BActive Publication Date: 2025-10-24SHENZHEN POWER SUPPLY BUREAU
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Patent Information
- Application Number
- CN202310350142.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-03-28
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2043-03-28
AI Technical Summary
Technical Problem
Existing technologies for tracing current transformer calibrators are inefficient, inaccurate, and unstable.
Method used
A current transformer calibrator traceability system was designed, including a signal source generation module, a signal processing module, a signal superposition module, and an error determination module. Through signal superposition and error calculation, the measurement error of the current transformer calibrator is accurately determined.
Benefits of technology
This improves the efficiency and accuracy of current transformer calibrators in tracing their origins, ensuring the stability and precision of measurement results.
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Figure CN116224209B_ABST
Abstract
The application discloses a current transformer calibrator tracing system and method, and the system at least comprises a signal source generation module, a signal processing module, a signal superposition module and an error determination module; the signal source generation module is used for outputting an analog signal to the current transformer calibrator and outputting a comparison signal same as the analog signal to the signal processing module; the signal processing module is used for performing signal processing on the comparison signal, obtaining a digital sampling signal and outputting the digital sampling signal to the signal superposition module; the signal superposition module is used for superimposing the digital sampling signal and a standard error signal generated in advance to obtain a superposition signal and output the superposition signal to the current transformer calibrator; and the error determination module is used for generating an actual error signal according to the analog signal and the superposition signal, comparing the actual error signal with the standard error signal and determining the measurement error of the current transformer calibrator. By implementing the application, the efficiency and accuracy of tracing the current transformer calibrator can be improved.
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