Partially Isolated Single-Magnetic Multiport Converter Based on Integration of Series-Resonant Converter and Bidirectional PWM Converter

Recent power systems, such as renewable energy systems consisting of solar panels and rechargeable batteries, contain multiple power sources and need multiple converters in proportion to the number of power sources, resulting in increased system complexity and cost. This paper proposes a multiport c...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2018-11, Vol.33 (11), p.9575-9587
Main Authors: Uno, Masatoshi, Oyama, Rina, Sugiyama, Kazuki
Format: Article
Language:English
Subjects:
Batteries
Complexity
Converters
Electrical measurement
Frequency modulation
Inductors
Integration
Magnetic materials
multiport converter (MPC)
Photonic crystals
Power sources
Pulse duration
Pulse duration modulation
Pulse frequency modulation
Pulse width modulation
pulse width modulation (PWM) converter
Pulse width modulation converters
Rechargeable batteries
series-resonant converter (SRC)
Switches
Transient response
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Summary:Recent power systems, such as renewable energy systems consisting of solar panels and rechargeable batteries, contain multiple power sources and need multiple converters in proportion to the number of power sources, resulting in increased system complexity and cost. This paper proposes a multiport converter (MPC) integrating a bidirectional PWM converter and series-resonant converter. Not only is the switch count halved with the proposed MPC, but also magnetic components can be integrated, reducing the circuit complexity and volume. A 150-W prototype of the proposed MPC was built for the experimental verification. The measured voltage conversion characteristics and transient responses demonstrated that the proposed MPC could control load and battery voltages independently by pulse width modulation and pulse frequency modulation controls, respectively.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2018.2794332