Study on fitting and prediction of metallized film capacitor's voltage drop
Y.-X. Zhang, Shao‐Long Zhong, Q. Feng, D.-F. Liu +2
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90% confidenceMFC research in performance, energy. Metallized film capacitors (MFC) are important devices in many industries, while its voltage drop ob...
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Abstract
Metallized film capacitors (MFC) are important devices in many industries, while its voltage drop obstacles the exertion of its energy storage characteristics. Therefore, it has become an important research topic to clarify the voltage drop law of MFC and predict the voltage drop of MFC. At first, this paper gives the voltage drop test circuit of MFC. Then, the classical voltage drop model, power function, 9-order polynomial and smoothing spline are used to fit the voltage drop data, and the voltage drop values are predicted based on the fitting results. At final, fitting and prediction performance of these methods are compared, and the research direction of how to improve the prediction accuracy is pointed out.
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Identifiers
- Journal
- IET Conference Proceedings
- Year
- 2021