Patents

36. 6레벨 T-형 능동 중성점 클램핑 인버터
6-LEVEL T-TYPE ACTIVE NEUTRAL POINT CLAMPED INVERTER

Application No. : 10-2022-0026129  
Application Date : 2022.02.28
Registration No. : 1025752770000  
Registration Date : 2023.09.01  
Inventors: Dong-Choon Lee | Jonathan Pribadi | Minseok Kim

36. 농형 유도발전기 풍력 터빈 시스템
SQUIRREL CAGE INDUCTION GENERATOR WIND TURBINE SYSTEM

Application No. : 10-2021-0087418  
Application Date : 2021.07.02
Registration No. : 1025086260000  
Registration Date : 2023.03.07  
Inventors: Dong-Choon Lee | Anh Tan Nguyen

35. 복수의 PMSM을 병렬 구동하는 인버터 시스템
INVERTER SYSTEM DRIVING MULTIPLE PMSMS IN PARALLEL

Application No. : 10-2021-0036609  
Application Date : 2021.03.22 
Registration No. : 1024428660000  
Registration Date : 2022.09.07  
Inventors: Dong-Choon Lee | Tae-Il Yeam

34. 직류 버스의 전력 진동을 감쇠하는 전압 전원 컨버터 시스템
VOLTAGE POWER CONVERTER SYSTEM SUPPRESSING POWER OSCILLATIONS IN DC BUS

Application No. : 10-2020-0189284  
Application Date : 2020.12.31  
Registration No. : 1025002960000  
Registration Date : 2023.02.10  
Inventors: Dong-Choon Lee | Yoon-Cheul Jeung

33. DFIG 센서리스 제어 시스템
SENSORLESS CONTROL SYSTEM OF DFIG

Application No. : 10-2020-0005324  
Application Date : 2020.01.15  
Registration No. : 1022384940000  
Registration Date : 2021.04.05  
Inventors: Dong-Choon Lee | Anh Tan Nguyen | Tae-Il Yeam

32. LLC 공진 컨버터
LLC RESONANT CONVERTER

Application No. : 10-2019-0152153  
Application Date : 2019.11.25  
Registration No. : 1022737630000  
Registration Date : 2021.06.30  
Inventors: Dong-Choon Lee | Dao Ta Leanh | Ngoc Dat Dao | Choul-Woo Jung

31. 모듈러 멀티레벨 컨버터
MODULAR MULTI-LEVEL CONVERTER

Application No. : 10-2019-0141828  
Application Date : 2019.11.07  
Registration No. : 1022925530000
Registration Date : 2021.08.17  
Inventors: Dong-Choon Lee | Duc Dung Le | Tae-Il Yeam

30. 전류벡터에 기반한 속도 센서리스 모터 제어 시스템 및 풍력 발전 시스템
SPEED SENSORLESS MOTOR CONTROL SYSTEM AND WIND POWER GENERATION SYSTEM BASED ON THE CURRENT VECTOR

Application No. : 10-2019-0021632  
Application Date : 2019.02.25  
Registration No. : 1022620100000  
Registration Date : 2021.06.02  
Inventors: Dong-Choon Lee | Ngoc Dat Dao | Tae-Il Yeam

29. 3-포트 절연형 DC-DC 컨버터 및 충전 시스템
3-PORT ISOLATED DC-DC CONVERTER AND CHARGING SYSTEM

Application No. : 10-2019-0015989
Application Date : 2019.02.12
Registration No. : 1021971180000  
Registration Date : 2020.12.23
Inventors: Dong-Choon Lee | Ngoc Dat Dao| Choul-Woo Jung

28. 전기차용 능동형 전력 디커플링 기능을 갖는 일체형 멀티 충전시스템
AN INTEGRATED MULTI BATTERY CHARGING SYSTEM HAVING AN ACTIVE POWER DECOUPLING CAPABILTY FOR AN ELECTRIC VEHICLE

Application No. : 10-2018-0117883
Application Date : 2018.10.02
Registration No. : 1021551170000
Registration Date : 2020.09.07
Inventors: Dong-Choon Lee | Nguyen Hoang Vu | Tae-Il Yeam

26. 듀얼 엑티브 브릿지 컨버터를 위한 슬라이딩 모드 제어기
SLIDING MODE CONTROLLER FOR DUAL ACTIVE BRIDGE CONVERTER

Application No. : 10-2016-0157684
Application Date : 2016.11.24
Registration No. : 1018489030000
Registration Date : 2018.04.09
Inventors: Dong-Choon Lee | Yoon-Cheul Jeung

25. 인버터 고장 진단 방법 및 그 장치
Inverter  Fault Diagnosis Method and Its System

Application No. : 1020160010653
Application Date : 2016.01.28
Registration No. : 1018231400000
Registration Date : 2018.01.23
Inventors: Dong-Choon Lee | Cheol-Ju Bae | Do-Hyeon Park

24. 리플 제거 기능을 구비한 교류-직류 컨버터 회로
AC-DC Converter Circuits with Ripple Elimination Function

Application No. : 1020160073823
Application Date : 2016.06.14
Registration No. :  1018047730000
Registration Date : 2017.11.29
Inventors: Dong-Choon Lee  | Nguyen Hoang Vu | Ick-Chan Choi

23. 커패시턴스 추정을 위한 인버터 벡터 드라이브 시스템
Inverter vector driving system and method for estimating capacitance using the same

Application No. : [U.S] 15-080,587
Application Date : 2016.03.25.
Registration No. : US 9722523 B2
Registration Date : 2017.08.01
Inventors:LEE, DONG-CHOON | NGUYEN, THANH HAI | JEUNG, YOON-CHEUL

Apication No. : 1020160073829
Application Date : 2016.06.14
Registration No. : 1017590600000
Registration Date : 2017.07.12
Inventors: Dong-Choon Lee| Le Quoc Anh | Sang-Min Lee 

21. 5-레벨 ANPC의 공통모드 전압 저감을 위한 SVPWM방법
SVPWM method for CMV Reduction in 5-level ANPC Inverter

Application No. : 1020150078211
Application Date : 2015.06.02
Registration No. : 1016950910000
Registration Date : 2017.01.04
Inventors: Dong-Choon Lee| Le Quoc Anh | Yoon-Cheul Jeung

20. 피드백 선형화 제어장치
Feedback Linearization Controller

Application No. : 1020150049139
Application Date : 2015.04.07
Registration No. : 1016521960000
Registration Date : 2016.08.23.
Inventors: Dong-Choon Lee | Yoon-Cheul Jeung

Application No. : 1020150041422
Application Date : 2015.03.25
Registration No. : 1016059900000
Registration Date : 2016.03.17
Inventors: Dong-Choon Lee | Thanh Hai Nguyen | Yoon-Cheul Jeung

Application No. : 10-2015-0040862
Application Date : 2015.03.24
Registration No. : 1016353150000
Registration Date : 2016.06.24
Inventors: Dong-Choon Lee | Payam Alemi | Cheol-Ju Bae

Application No. : 1020150037463
Application Date : 2015.03.18
Registration No. : 1017300180000
Registration Date : 2017.04.19
Inventors: Dong-Choon Lee| Le Quoc Anh 

Application No. : 1020150021573
Application Date : 2015.02.12
Registration No. : 1017329300000
Registration Date : 2017.04.27
Inventors: Dong-Choon Lee | Cheol-Ju Bae | Payam Alemi | Yoon-Cheul Jeung

Application No. : 1020140100617
Application Date : 2014.08.05
Registration No. : 1015534800000
Registration Date : 2015.09.09
Inventors: Dong-Choon Lee | Yun-Jae Jo

Application No. : 1020130103492
Application Date : 2013.08.29
Registration No. : 1014254000000
Registration Date : 2014.07.25
Inventors: 김찬기 김진영 | Dong-Choon Lee | Thanh Hai Nguyen

Application No. : 10-2012-0058544
Application Date : 2012.05.31
Registration No. : 1013759450000
Registration Date : 2014.03.12
Inventors: Dong-Choon Lee |  Tan Loung Van

Application No. : 1020120041019
Application Date : 2012.04.19
Registration No. : 1012712340000
Registration Date : 2013.05.29
Inventors: 김장목 임원상 김형섭 이동춘 이교범

Application No. : 1020110031591
Application Date : 2011.04.06
Registration No. : 1012351820000
Registration Date : 2013.02.14
Inventors: 김장목 임원상 김형섭 이동춘 이교범

Application No. : 1020110031593
Application Date : 2011.04.06
Registration No. : 1012351830000
Registration Date : 2013.02.14
Inventors:  김장목 임원상 김형섭 이동춘 이교범

Application No. : 1020100118109
Application Date : 2010.11.25
Registration No. : 1012661210000
Registration Date : 2013.05.14
Inventors: 이동춘 김경현 송승호

Application No. : 1020100103943
Application Date : 2010.10.25
Registration No. : 1011752330000
Registration Date : 2012.08.13
Inventors: 김흥근 이동춘 김기홍

Application No. : 1020100116149
Application Date : 2010.11.22
Registration No. : 1011034250000
Registration Date : 2011.12.30
Inventors: 이동춘 보성사 김경현 김장목 이교범

Application No. : 1020100103658
Application Date : 2010.10.22
Registration No. : 1010899370000
Registration Date : 2011.11.29
Inventors: 이동춘 보성사 김경현 김장목 이교범

Application No. : 1020090110470
Application Date : 2009.11.16
Registration No. : 1011754150000
Registration Date : 2012.08.13
Inventors: 이동춘 보성사 뉴엔 탄하이

Application No. : 1020080051611
Application Date : 2008.06.02
Registration No. : 1009640350000
Registration Date : 2010.06.08
Inventors: 이동춘 김동억 박홍극 장석호

Application No. : 1020070119544
Application Date : 2007.11.22
Registration No. : 1009736580000
Registration Date : 2010.07.27
Inventors:  Dong-Choon Lee | Dong-Eok Kim

Application No. : 1020060127469
Application Date : 2006.12.13
Registration No. : 1008810840000
Registration Date : 2009.01.22
Inventors: Dong-Choon Lee | Ahmed G. Abo-Khalil | Dong-Eok Kim

Application No. : 1020060129834
Application Date : 2006.12.19
Registration No. : 1008305180000
Registration Date : 2008.05.13
Inventors: Dong-Choon Lee | Ahmed G. Abo-Khalil | Dong-Eok Kim