Young-Jong Ko, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, “Simple Fault Detection Method for a Three-parallel Power Converter Using a Fuzzy System,” 대한전기학회 전기기기 및 에너지변환시스템부분 춘계학술대회 논문집, pp. 185–187, 2010. > Paper

Paper

Domestic Conference Young-Jong Ko, Kyo-Beum Lee, Dong-Choon Lee, and Jang-Mok Kim, “Simple Fault Detection Method for a Three-parallel Power Converter Using a Fuzzy System,” 대한전기학회 전기기기 및 에너지변환시스템부분 춘계학술대회 논문집, pp. 185–187, 2010.

2010

본문

본 논문은 대용량 영구자석형 풍력발전 시스템을 위한 3병렬 전력변환장치의 고장진단 방법을 제안한다. 스위칭 소자의 개방고장뿐만 아니라 단락고장도 감지 할 수 있으며, 고장난 스위치를 판별한다. 제안한 기법은 추가적인 센서가 필요하지 않고 전류신호를 기반으로 두기 때문에 시스템의 모델링이 필요하지 않은 장점이 있다. 본 논문은 10kW급 영구자석형 붕력발전 시스템을 모의한 시뮬레이션을 바탕으로 제안하는 기법의 타당성을 검증하였다.

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Paper 목록
번호	년도	논문명
122	2010	Domestic Conference Xingsi Pu, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, “Estimation Scheme of Capacitance and ESR in DC-link Capacitors,” 대한전기학회 전기기기 및 에너지변환시스템부분 춘계학술대회 논문집, pp. 161–163, 2010.
121	2009	Domestic Conference Sol-Bin Lee, Seo-Hyoung Kim, and Kyo-Beum Lee, “An Improved Control Strategy for a DFIG in Wind Turbine under Unbalanced Condition,” 전력전자학회 추계학술대회 논문집, pp. 200–202, 2009.
120	2009	Domestic Conference Yi-Kyu Kang, Hea-Gwang Jung, Sang-Hyeok Lee, and Kyo-Beum Lee, “Compensation of Circulating Currents in a Wind Power System driven by Parallel Back-to-Back Converters using Neutral Voltages,” 전력전자학술대회 논문집, pp. 615–617, 2009.
119	2009	Domestic Conference Dae-Keun Choi, Woo-jin Choi, Se-Wan Choi, and Kyo-Beum Lee, “Gain-Scheduling Method for Grid-Connected Inverters Using Grid-Impedance Estimation,” 전력전자학술대회 논문집, pp. 612–614, 2009.
118	2009	Domestic Conference Dong-Keun Yoon, Yi-Kyu Kang, Hea-Gwang Jung, and Kyo-Beum Lee, “Design of an LCL-filter for 3-Parallel Connected Power Conversion Systems in Wind Turbines,” 전력전자학술대회 논문집, pp. 606–608, 2009.
117	2009	Domestic Conference Duk-Hong Kang, Woojin Choi, Se-Wan Choi, and Kyo-Beum Lee, “Performance Improvement of an Anti-islanding Method using Reactive Power Variation with Goertzel algorithm,” 전력전자학술대회 논문집, pp. 603–605, 2009.
116	2009	Domestic Conference Kiwoo Park, Dong-Sun Park, and Kyo-Beum Lee, “Z-source Sparse Matrix Converter,” 전력전자학술대회 논문집, pp. 124–126, 2009.
115	2009	Domestic Conference Seo-Hyoung Kim, Kil-Hun Kim, and Kyo-Beum Lee, “A CDSDM Scheme for Reduction of Switching Noise Caused by SPWM Scheme,” 전력전자학술대회 논문집, pp. 121–123, 2009.
114	2009	Domestic Conference Hea-Gwang Jung and Kyo-Beum Lee, “Design of a delta-connected LCL-filter for 3-parallel power converters in wind turbines,” 전력전자학술대회 논문집, pp. 72–74, 2009.
113	2009	Domestic Conference Eun-Sil Lee, Kiwoo Park, and Kyo-Beum Lee, “Improving the Output Current Quality using a Fuzzy based Current Controller for a Z-source Matrix Converter,” 전력전자학술대회 논문집, pp. 45–47, 2009.
112	2008	Domestic Conference Kiwoo Park, Sung-Tak Jou, Mun-Soo Park, and Kyo-Beum Lee, “Adaptive Fuzzy based Sliding Mode Control for an Induction Motor Drive fed by a Matrix Converter,” 전력전자학회 추계학술대회 논문집, pp. 224–226, 2008.
111	2008	Domestic Conference Seo-Hyeong Kim, Seong-Tak Ju, Hea-Gwang Jung, Kyo-Beum Lee, and Gyu-Beum Jung, “Performance Improvement of a Buck Converter using a 2nd-order Space Dithered Sigma-Delta Modulation based Random PWM Switching Scheme,” 전력전자학회 추계학술대회 논문집, pp. 196–198, 2008.
110	2008	Domestic Conference Won-Sang Kim, Gyung-Hun Sim, Sung-Tak Jou, Seo-Hyoung Kim, and Kyo-Beum Lee, “A Linear Feedback Method with Switched Gains to Control the Active and Reactive Powers of a Doubly Fed Induction Generator for Wind Turbines,” 전력전자학술대회 논문집, pp. 88–90, 2008.
109	2008	Domestic Conference Hae-Gwang Jung, Kyo-Beum Lee, Sin-Il Kang, Hyen-Young Lee, Oh-Joeng Kwon, and Seung-Ho Song, “An Active Damping Method of a Grid-connected PWM Inverter using an Instantaneous Power Theory,” 전력전자학술대회 논문집, pp. 85–87, 2008.
108	2006	Domestic Conference Kyo-Beum Lee and Won-Sang Kim, “Sensorless Scheme for Induction Motor Drives Fed by a Matrix Converter Using Power Theory,” 대한전기학회 하계학술대회 논문집, pp. 1043–1044, 2006.

Paper 목록

번호

년도

논문명

122

2010

Domestic Conference

Xingsi Pu, Dong-Choon Lee, Kyo-Beum Lee, and Jang-Mok Kim, “Estimation Scheme of Capacitance and ESR in DC-link Capacitors,” 대한전기학회 전기기기 및 에너지변환시스템부분 춘계학술대회 논문집, pp. 161–163, 2010.

121

2009

Domestic Conference

Sol-Bin Lee, Seo-Hyoung Kim, and Kyo-Beum Lee, “An Improved Control Strategy for a DFIG in Wind Turbine under Unbalanced Condition,” 전력전자학회 추계학술대회 논문집, pp. 200–202, 2009.