• Title/Summary/Keyword: boost converter

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Analysis of Parallel-Input Series-Output(PISO) Boost Converter With Output Voltage Balancing Characteristic (병렬입력/직렬출력(PISO) 부스트 컨버터의 출력 전압 밸런싱 특성 해석)

  • Nam, Hyun-Taek;Cha, Honnyong;Kim, Heung-Geun
    • The Transactions of the Korean Institute of Power Electronics
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    • v.23 no.1
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    • pp.40-46
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    • 2018
  • In this study, the output voltage balancing characteristics of parallel-input series-output (PISO) boost converter is analyzed. The PISO boost converter is derived by combining two basic boost converters. In comparison with the conventional three-level boost converter, the PISO boost converter can balance the output voltages under an unbalanced load condition without requiring additional circuit components and control strategy. A 2 kW prototype converter is built and tested to verify the output voltage balancing characteristics of the PISO boost converter.

Synchronous Soft Switching Boost Converter (동기형 소프트 스위칭 부스트 컨버터)

  • Kim, Jun-Gu;Kim, Jae-Hyung;Won, Chung-Yuen;Jung, Yong-Chae
    • Proceedings of the KIPE Conference
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    • pp.187-189
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    • 2008
  • This paper presents the synchronous soft switching boost converter. It is shown that the proposed converter effectively reduces conduction loss by using MOSFET device in place of diode in the conventional boost converter. Also, this soft switching boost converter can reduce switching loss using ZVS method through resonant inductor and capacitor. The proposed synchronous soft switching boost converter is suitable for PV generation system.

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Advanced Three-Phase PFC Power Converters with Three-Phase Diode Rectifier and Four-Switch Boost Chopper

  • Nishimura Kazunori;Hirachi Katsuya;Hiraki Eiji;Ahmed Nabil A.;Lee Hyun-Woo;Nakaoka Mutsuo
    • Journal of Power Electronics
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    • v.6 no.4
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    • pp.356-365
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    • 2006
  • This paper presents an improved three-phase PFC power rectifier with a three-phase diode rectifier cascaded four-switch boost converter. Its operating principle contains the operating principle of two conventional three-phase PFC power rectifiers: one switch boost converter type and a two switch boost converter type. The operating characteristics of the four switch boost converter type three-phase PFC power rectifier are evaluated from a practical point of view, being compared with one switch boost converter type and two switch boost converter topologies.

High Efficiency Soft-Switching Boost Converter Using a Single Switch

  • Kim, Jun-Ho;Jung, Doo-Yong;Park, Sang-Hoon;Won, Chung-Yuen;Jung, Yong-Chae;Lee, Su-Won
    • Journal of Power Electronics
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    • v.9 no.6
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    • pp.929-939
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    • 2009
  • This paper presents a new soft-switching boost converter based on the LC resonance and passive clamping technique without additional active switches. The circuit achieves high efficiency and low voltage stress by adopting a soft switching method using LC resonance. This paper gives a mathematical analysis of each mode and a detailed design procedure of the proposed boost converter. First of all, the operational principles are verified through simulation results. Then, according to the design procedure, we designed and built a 1.5[kW] prototype soft switching boost converter. Through the experimental results, we demonstrated the validity and usefulness of the proposed boost converter.

A High Power Factor and High Efficiency Three Phase Boost Converter using auxiliary Partial Resonant circuit (보조 부분 공진 회로를 이용한 고역률 고효율 삼상 부스트 컨버터)

  • Suh, Ki-Young;Kwon, Soon-Kurl;Lee, Hyun-Woo;Kim, Young-Mun
    • The Transactions of the Korean Institute of Electrical Engineers B
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    • v.48 no.4
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    • pp.212-218
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    • 1999
  • A new partial resonant three phase boost converter with high power factor and high efficiency is proposed. The proposed boost converter is constructed by using a resonant network in parallel with the swithch of the conventional boost converter. The devices are switched at zero voltage or zero current eliminating the switching loss. A new auxiliary partial resonant boost converter achieves zero-voltage switching(ZVS) or zero-current switching(ZCS) for all switch devices without increasing their voltage and current stresses.

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A Non-Isolated 3-Level High Step-Up Boost Converter With Output Voltage Balancing (출력 전압 밸런싱 기능을 가진 비절연형 3-레벨 고승압 부스트 컨버터)

  • Yun, Song-Hyun;Kang, Hyemin;Cha, Honnyong;Kim, Heung-Geun
    • The Transactions of the Korean Institute of Power Electronics
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    • v.20 no.5
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    • pp.464-470
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    • 2015
  • In this paper, a non-isolated three-level high step-up boost converter with output voltage balancing is proposed. By adding one extra inductor to the conventional three-level boost converter, the proposed converter is derived. Compared with the traditional boost converter and the three-level boost converter, the proposed converter can obtain very high voltage conversion ratio, and the voltage and current stress of switching devices and diodes are reduced. A 2.7 kW prototype converter is built and tested to verify performances of the proposed converter.

Series-Parallel Connected Capacitor Type Boost Converter for a Single-Phase SRM

  • Lee, Dong-Hee;Liang, Jiang;Ahn, Jin-Woo
    • Journal of Power Electronics
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    • v.10 no.4
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    • pp.388-395
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    • 2010
  • An active boost converter for a single phase SRM using series-parallel connected capacitors is proposed in this paper. The proposed active boost converter has two diodes and one power switch with an anti-parallel diode and one additional boost capacitor. The additional boost capacitor could be series or parallel connected to the dc-link capacitor to produce proper excitation and demagnetization voltage. The proposed active boost converter can easily achieve a fast excitation and demagnetization from the capacitor connection. In this paper, series and parallel connected converters are reviewed, and the detailed operating modes as well as the voltage characteristics of the proposed converter are analyzed. The simulation and experimental results shows the effectiveness of the proposed active boost converter.

Boost Converter for High Performance Operating of Fuel Cell System (연료전지 시스템의 고효율운전을 위한 6상 BOOST CONVERTER)

  • Park, S.S.;Yoon, H.J.;Goo, T.H.
    • Proceedings of the KIEE Conference
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    • pp.867-869
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    • 1993
  • In generally Boost Converter is used for Fuel Cell System. Because the output voltage of fuel cell is too small and greatly depends on the load condition, Boost Converter are required to boost and regulate the Fuel Cell voltage for per conversion efficiency. In this Paper, 6-phase Boost Converter is used to boost the Fuel Cell Voltage and regulate the output voltage. Multi phase converter hag some advantages such as low ripple and filter sine. About the Peak Current Control and compare of the Ripple Current of Boost Converter, we have studied.

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Elimination of harmonics in three-Phase PWM inverter using auxiliary partial resonant circuit (보조부분 공진 회로를 이용한 삼상 PWM 인버터의 고조파 제거)

  • Suh, Ki-Young;Lee, Hyun-Woo;Kim, Young-Mun;Mun, Sang-Pil
    • Proceedings of the KIEE Conference
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    • pp.137-140
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    • 1998
  • A new SPWM inverter using three-phase boost converter by auxiliary partial resonant with high power factor and high efficiency is proposed. The proposed boost converter is constructed by using a resonant network in parallel with the switch of the conventional boost converter. The devices are switched at zero voltage or zero current eliminating the switching loss. A new Partial resonant boost converter achieves zero-voltage switching (ZVS) or zero-current switching (ZCS) for all switch devices without increasing their voltage and current stresses. This paper introduces elimination of low-order harmonics compared with conventional SPWM inverter and SPWM inverter using three-phase boost converter by auxiliary Partial resonant.

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Digital Power IC design using VHDL and FPGA (VHDL과 FPGA를 이용한 Digital Power IC 설계)

  • Kim, Min Ho;Koo, Bon Ha;Yang, Oh
    • Journal of the Semiconductor & Display Technology
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    • v.12 no.4
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    • pp.27-32
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    • 2013
  • In this paper, the boost converter was implemented by digital control in many applications of the step-up. The PWM(pulse width modulation) control module of boost converter was digitized at power converter using the FPGA device and VHDL. The boost converter was designed to output a fixed voltage through the PI control algorithm of the PWM control module even if input voltage and output load are variable. The boost converter was digitized can be simplified by reducing the size of the module and the external control components. Thus, the digital power IC has advantageous for weight reduction and miniaturization of electronic products because it can be controlled remotely by setting the desired output voltage and PWM control module. The boost converter using the digital power IC was confirmed through experiments and the good performances were showed from experiment results.