2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551) - Conference Table of Contents | IEEE Xplore
Annual IEEE Conference on Power Electronics Specialists (PESC)

2004 IEEE 35th Annual Power Electronics Specialists Conference (IEEE Cat. No.04CH37551)

DOI: 10.1109/PESC.2004

20-25 June 2004

2004 IEEE 35th Annual Power Electronics Specialists Conference

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2004 IEEE 35th Annual Power Electronics Specialists Conference

[Breaker page]

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2004 IEEE 35th Annual Power Electronics Specialists Conference

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Cited by: Papers (1)

2004 IEEE 35th Annual Power Electronics Specialists Conference

Copyright page

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Sponsors

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Technical program reviewers

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Tutorial sessions

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Rap sessions

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Table of contents

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New topologies for resonant converter

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New topologies for resonant converter

Zero-voltage-switching multi-resonant three-level converters

Ke Jin;Xinbo Ruan

Publication Year: 2004,Page(s):4086 - 4092 Vol.6
Cited by: Papers (3)
This paper proposes a new family of zero-voltage-switching multi-resonant three-level converters (ZVS-MR-TLCs), which is derived by introducing a LCC multi-resonant network to the basic three-level converters. The unique arrangement of a multi-resonant network results in absorption of all major parasitic components in the resonant circuit, including switch output capacitor, diode junction capacito...Show More
A novel ZVZCS three-level PWM phase-shift controlled converter with regenerative passive snubber in the secondary is considered. The voltage stress on the rectifier diodes is reduced to n(V/sub in//2) (n is the transformer turns ratio) by using a few additional elements in the primary: two diodes, a small inductor and a small transformer winding. The conditions assuring ZVS of the leading leg and ...Show More
For high-voltage charging applications, this paper introduces a variable-frequency zero-voltage-switching three-level LCC resonant converter, which is able to utilize the parasitic components of the high-turns-ratio transformer. By applying the three-level structure in the primary side, low-voltage MOSFETs can be used to minimize the conduction loss. Therefore, the switching frequency can be incre...Show More
Multiple-frequency modeling (MFM) offers a general small signal modeling methodology for resonant type converters. A DC/AC resonant inverter is decomposed into two pure DC sub-circuits for each harmonics, the excitations of which are orthogonal. However, such decomposition makes the definitions of active power P, reactive power Q, apparent power S and instantaneous power p difficult, while these c...Show More

Uninterruptible power supplies

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In this paper, a new digital deadbeat controller is designed, implemented, and applied to a three-phase series-parallel line-interactive uninterruptible power supply (UPS). This topology consists of a parallel and a series converter. In this topology, most of the power is supplied directly from the AC line to the load. Therefore, the overall efficiency is higher than that of the on-line UPS. The c...Show More
This paper proposes the concept of integrated ZVT auxiliary commutation circuits applied to systems with power conversion multi-stages. With this concept, it is possible to reduce the number of additional elements as well as to minimize the circulating reactive energy. A new integrated ZVT auxiliary commutation circuit is applied to a double-conversion UPS to demonstrate the functionality of this ...Show More
A proposed single-phase uninterruptible power supply (UPS) system derived from a triple rectifier inverter neutral inter-Ty (TRINlT/sup y/) converter topology utilizing voltage-regulated current-controlled feedback approach is presented here. The proposed UPS model presents the advantages of high power conversion efficiency, unity input power factor (reactive power compensation), as well as low in...Show More
A three-phase PWM rectifier and a three-phase PWM inverter are coupled via two four-quadrant full-bridge converter cells and a high-frequency isolation transformer. By employing a third transformer winding and further full-bridge cell battery energy storage is incorporated into the power transfer between rectifier and inverter resulting in a three-port UPS concept. The phase shift control of the p...Show More