A New Two-Switch Flyback Battery Equalizer with Low Voltage Stress on the Switches

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In this paper, a new battery equalizer applying two-switch flyback topologies is proposed. Since the proposed circuit is based on two-switch flyback structure, voltage stress on the switches can be clamped at the battery stack voltage level. Furthermore, the number of active devices is minimized by using a common switch and a common clamping diode. The operational principle, theoretical analysis, design consideration, and implementation method are presented. In addition, to confirm the performance of the proposed battery equalizer, experimental results from four 3.9 V and 2600 mAh lithium-ion batteries are presented.
Publisher
IEEE
Issue Date
2009-09
Language
ENG
Citation

Energy Conversion Congress and Exposition, 2009. ECCE 2009. IEEE, pp.511 - 516

URI
http://hdl.handle.net/10203/162488
Appears in Collection
EE-Conference Papers(학술회의논문)
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