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This paper presents a multi-step predictive control framework for modular multilevel converters with series/parallel connectivity — a more generalized topology of the H-bridge-based modular multilevel converters. The controller coordinates a wide range of objectives including converter output voltage, power losses, and balancing of the battery state of charge. Though capable of considering multiple...
This paper describes research of influence of gate current and transistor commutation voltage on the switch operation efficiency in IGBT-transistor switch. At research and development of the high-effective energy-saving solutions, we often meet the task of modeling processes related to the electric pulse switch converters. In particular, the task of wind turbine power control cannot be solved today...
This article describes possible proposals of the active battery cell balancer for Li-ion battery-pack which should be used as a replacement of the common passive cell balancer in the existing battery management system. The main goal of this paper is to compare the most efficient solutions especially in terms of number of used components, size and price.
Bi-directional buck-boost DC/DC converter for hybrid battery controlled by UC3637 is described in this paper. The first part of the paper is aimed at concept of hybrid battery. Design of power circuit and control circuit with UC3637 of converter is described in the second part of the paper.
a new optimum topology dc-todc switching converter is extended to provide bidirectional current flow. The resulting two-quadrant converter can be employed to eliminate the discontinuous curent mode in normal unidirectional applications, but is especially suited for spacecraft battery conditioning as a charge-discharge regulator in place of the conventional separate converters. Implementation of the...
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