Results 181 to 190 of about 14,536,123 (240)
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Pittinos Financial Advisers, Llc
Darden Business Publishing Cases, 2010The owner of a small financial services firm is evaluating the performance of four funds to determine whether to offer them to his clients. The funds span a variety of objectives and include a recently initiated fund. The case explores issues related to the evaluation of mutual fund performance, including the selection of benchmarks and the effect of ...
Marc Lars Lipson, Richard B. Evans
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Investure, Llc, and Smith College
Darden Business Publishing Cases, 2008Alice Handy, an investment professional with 30 years' experience as head of the University of Virginia Investment Management Company, has opened a new asset management firm targeted at midsize endowments and nonprofit institutions in January 2004. Her business, Investure, LLC, offered outsourced investment services to institutions with $150 million to
Susan Chaplinsky +2 more
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IEEE transactions on power electronics, 2020
This paper proposes an improved LLC resonant converter with reconfigurable hybrid voltage multiplier for wide output voltage range applications. By adopting three legs and two active switches, the rectifier can be reconfigured to three configurations, i ...
Xinxi Tang +3 more
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This paper proposes an improved LLC resonant converter with reconfigurable hybrid voltage multiplier for wide output voltage range applications. By adopting three legs and two active switches, the rectifier can be reconfigured to three configurations, i ...
Xinxi Tang +3 more
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IEEE transactions on industrial electronics (1982. Print), 2020
For an LLC converter, it is difficult to realize the wide output range with conventional pulse frequency modulation control because of the limited operating frequency. This paper proposes a new hybrid control method.
Lin Shi, Bangyin Liu, Shanxu Duan
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For an LLC converter, it is difficult to realize the wide output range with conventional pulse frequency modulation control because of the limited operating frequency. This paper proposes a new hybrid control method.
Lin Shi, Bangyin Liu, Shanxu Duan
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020
In this article, an LLC converter using gallium nitride (GaN) transistors is proposed for a 48-V regulated and isolated bus converter. Compared with pulsewidth modulation (PWM)-based topologies, the soft switching capability of an LLC allows operation at
M. Ahmed, Ahmed Nabih, F. Lee, Qiang Li
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In this article, an LLC converter using gallium nitride (GaN) transistors is proposed for a 48-V regulated and isolated bus converter. Compared with pulsewidth modulation (PWM)-based topologies, the soft switching capability of an LLC allows operation at
M. Ahmed, Ahmed Nabih, F. Lee, Qiang Li
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ZeroCost-LLC: Shared LLCs at No Cost to WCL
2023 IEEE 29th Real-Time and Embedded Technology and Applications Symposium (RTAS), 2023Zhuanhao Wu +2 more
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IEEE Journal of Emerging and Selected Topics in Industrial Electronics, 2023
Jing-Yuan Lin +3 more
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Jing-Yuan Lin +3 more
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An Interleaved Secondary-Side Modulated LLC Resonant Converter for Wide Output Range Applications
IEEE transactions on industrial electronics (1982. Print), 2020In this paper, an LLC type converter with two interleaved pulsewidth modulation (PWM) rectifiers is proposed. Compared with the conventional LLC converter, it achieves a wide voltage regulation range independent of load.
Zhiqing Li, Bo Xue, Haoyu Wang
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A Novel LLC Converter With Topology Morphing Control for Wide Input Voltage Range Application
IEEE Journal of Emerging and Selected Topics in Power Electronics, 2020Wide voltage gain range applications are challenging for dc/dc converters, and the system efficiency would be degraded in order to satisfy the voltage gain requirement.
Yuqi Wei, Quanming Luo, H. Mantooth
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IEEE Journal of Emerging and Selected Topics in Power Electronics, 2019
A novel pulse frequency and phase shift hybrid modulated dual-output dc–dc converter is proposed in this paper. The proposed converter is composed of hybrid modulation of an input-parallel-output-series LLC resonant converter and a phase shift full ...
Guang-Di Li +5 more
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A novel pulse frequency and phase shift hybrid modulated dual-output dc–dc converter is proposed in this paper. The proposed converter is composed of hybrid modulation of an input-parallel-output-series LLC resonant converter and a phase shift full ...
Guang-Di Li +5 more
semanticscholar +1 more source