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Open Access THEMED ARTICLE: ELECTROMAGNETIC INTERFERENCE AND RELIABILITY OF WIDE BANDGAP POWER ELECTRONICS
ORIGINAL RESEARCH
Far field radiated emissions prediction of a flyback adapter with curved cables utilizing electromagnetic simulation method
Version of Record online: 13 January 2024
Based on the CM excitation voltage spectrum measurement and the electromagnetic-simulated radiation transfer functions, an accurate prediction of the radiated emissions of a low-power flyback adapter with complex cables is achieved.
Open Access ORIGINAL RESEARCH
A novel vector control strategy for sensorless 3φ induction machines under single‐phase fault
Version of Record online: 13 January 2024
A novel rotor flux-based vector control strategy for Y-connected 3φ induction machines without speed sensor under the single-phase fault is proposed. Furthermore, a simple model-based single-phase fault detection mechanism based on the extended Kalman filter is suggested. The performance of the proposed control scheme for a 1 HP sensorless Y-connected 3φ induction machine prototype is validated by several experiments.
Open Access ORIGINAL RESEARCH
Sensorless model predictive control of permanent magnet synchronous motor based on hybrid parallel observer under parameter uncertainty
Version of Record online: 13 January 2024
Model predictive control-based permanent magnet synchronous motor drive system has high dependence on parameter accuracy, while the traditional single observer architecture makes it difficult to solve the multi-parameter observation problem. By constructing an adaptive parameter observer and a sliding mode observer working in parallel, the variable exchange mechanism between the observers is designed and the current prediction model is reconstructed. The proposed algorithm improves the position identification precision under the uncertainty of the motor resistance and inductance, reducing the dependence of model parameters and improving the performance of sensorless model predictive control under parameter uncertainty.
Open Access THEMED ARTICLE: ELECTROMAGNETIC INTERFERENCE AND RELIABILITY OF WIDE BANDGAP POWER ELECTRONICS
ORIGINAL RESEARCH
Common mode far field radiation mechanisms and prediction of a buck converter with cables based on common mode voltage mutation method
Version of Record online: 13 January 2024
This study investigates the common mode (CM) driving sources of a regular Buck converter in depth, derives the approximate analytical formulas for far field radiation of horizontal power cables, and realizes the accurate prediction of far field CM radiation based on the CM voltage mutation method.
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