NDLI: Modulation Technique to Reverse Power Flow for the Isolated Series Resonant DC–DC Converter With Clamped Capacitor Voltage

Content Provider	IEEE Xplore Digital Library
Author	Yu Du Lukic, S.M. Jacobson, B.S. Huang, A.Q.
Copyright Year	1982
Abstract	The series resonant dc-dc converter with clamped capacitor voltage exhibits excellent characteristics in forward operating mode, including simple control, high reliability, soft switching, high power density, and inherently limited load fault current. However, the conventional single angle phase-shift modulation that works well in the forward mode cannot reverse the power flow. In this paper, we propose a modulation strategy for reverse-mode operation by utilizing three phase-shift angles afforded by the two active full bridges of the circuit. We identify the optimal modulation trajectories in 3-D modulation space and implement a lookup-table-based modulator for power flow control. A high-fidelity simulation model of a 35-kW 750-V input, 300-600-V output, and 50-kHz insulated-gate bipolar-transistor-based converter was used for verification. The proposed modulation scheme and efficiency calculations were validated on a scaled-down (15-kW) prototype. The power loss distribution was analyzed for further converter efficiency optimization.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	4617
Ending Page	4628
Page Count	12
File Size	1689831
File Format	PDF
ISSN	02780046
Volume Number	59
Issue Number	12
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-12-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Trajectory Zero voltage switching Phase modulation Bridge circuits Switches Voltage control Energy storage Table lookup resonant converters Bidirectional dc–dc power converters energy storage lookup table (LUT) phase modulation
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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