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DC grid technology is regarded as a promising solution for future electric networks integrating a great amount of renewable energies. It calls for high-efficiency bidirectional dc-dc converters with a high step-up ratio to interconnect mediumvoltage dc (MVDC) distribution grids and high-voltage dc (HVDC) transmission grids. This paper focuses on dynamic performance and fault-tolerant capability of...
To estimate the short-circuit capacity of future low-voltage DC (LVDC) grids, it is important to determine the transient and steady state short-circuit (SC) current characteristics of DC-DC converter which is an integral part of LVDC grids. The study focuses on the short-circuit behavior of Dual Active Bridge (DAB) topology of DC-DC used for integrating LVDC grid applications like photovoltaic, battery...
DC grid technology is regarded as a promising solution for future electric networks integrating a great amount of renewable energies. It calls for high efficiency dc-dc converters with high step-up ratio to interconnect medium voltage (MV) dc distribution grids and high voltage (HV) dc transmission grids. This paper presents an isolated soft-switching dc-dc converter combining two-level converters...
The integration of photovoltaic (PV) generators in the gird is still an ongoing topic. The peak efficiency of today's power electronics is already above 98%, therefore innovative aspects can grow from new ways of grid integration. This paper focuses on the combination of a 5 kW PV-generator with a li-ion battery. The temporal decoupling of the generation and injection of energy into the European low...
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