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This paper presents and analyzes a non-dissipative balancing system for supercapacitors. The circuit design is carried out by means of a controlled buck-boost converter in order to have the same voltage in each supercapacitor. The paper presents an energy loss analysis in two cases: a dissipative and a non-dissipative balancing circuit. It also develops a probabilistic analysis in order to estimate...
This paper presents the design of a 100kW DC/DC converter that transfer energy from/to two 125V-supercapacitor stacks to/from a 560V DC line that is attached to a three-phase inverter. The converter provides galvanic isolation between the 560V DC line and the supercapacitors. In one power flow direction, it works as a step-up DC/DC converter that maintains the DC voltage at 560V by delivering energy...
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