Controlled Resonant Circuit with Commutated Capacitors using Self-Switching Power Devices
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Power-electronic inverters are becoming popular for various industrial drives applications. In recent years also high-power and medium-voltage drive applications have been installed. However, the existing solutions suffer from some important drawbacks. Hyb ...
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The finite element method has been employed in order to simulate the behaviour of a HTS cable for transport current applications. The E-J model includes an anisotropic dependence of the critical current density Jc and power index n on the local magnetic fi ...
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PFC rectifiers are more and more used as front end circuits for low and mid sized apparatus. Especially for the high current applications, the size and weight of passive components are an important factor, also for the economic aspect. The number and size ...
A new method for computing the component values of LC ladder equalizers for broadband matching purposes is presented. The method is inspired by the theory of recursive identification and results in a very compact algorithm. As in the usual real frequency t ...
PFC rectifiers are more and more used as front end circuits for low and mid sized apparatus. Especially for the eigh current applications, the size and weight of passive components are an imprtant factor, also for the economic aspect. The number and size o ...
Role of Pt and SRO electrodes in polarization fatigue of PLZT film ferroelectric capacitors is studied. We show that asymmetrical Pt/SRO/PLZT/Pt structure exhibits unusual dependence of the endurance of switching polarization on the driving ac electric fie ...
We give topological criteria for the convexity and the concavity of a current or a voltage in a resistive circuit, as a function of a source voltage or current, when the nonlinear resistor characteristics are all either convex or concave. When the criteria ...