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This paper presents a comprehensive analysis about bus bar design procedure. Some applications in terms of rated power and shape are investigated regarding their particular requirements and challenges. The dc-link capacitor selection is one of the first and most important steps. It not only dictates the bus bar complexity but also is the key to accomplish a high-power density prototype. Current density...
This paper proposes a modeling and control approach for the three-level DC-DC converter. The converter is described in a sum and difference (ΣΔ) framework. It is shown that the formulation is useful to model the inverter and derive design-specific equations. The Σ component is responsible for the inductor current, i.e. the power flow, and the Δ component is used to balance (or unbalance) the DC-link...
The DC capacitor bank is an expensive and bulky component, particularly in automotive applications. Its selection is subject to a number of competing constraints and is often sub-optimal. This paper proposes a generalized design methodology for the capacitor bank and introduces several optimization approaches under the umbrellas of convex, heuristic and pseudo optimization. Simulated annealing, a...
This paper discusses a design methodology for high power density converter design. The ideas are applicable to any topology and any switching technology. Particular attention is paid to the DC-link capacitors, as they are a regular point of failure and take up a sizeable portion of the volume in converters. In moving to wide-bandgap devices, smaller and more reliable film capacitors can be used by...
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