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DC 전력시스템을 위한 Voltage Bus Conditioner의 PI 보상기 설계
석봉준(Bong-Jun Seok),나재두(Jae-Du La),김영석(Young-Seok Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.10
The VBC (Voltage Bus Conditioner) need for the mitigation of the bus voltage transients in a Distributed Power System. In this paper, a PI(Proportional Integral) compensator for the VBC is proposed. the proposed PI compensator carry out not only the function of damping the voltage bus transients, but also keep the stored energy level. Simulation results by Matlab Simulink are presented for the validity of the proposed control technique.
석봉준(Bong-Jun Seok),정해선(Hae-Seon Jung),김영조(Young-Jo Kim),나재두(Jae-Du La),김영석(Young-Seok Kim) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.4
The purpose of this paper is to develop a VBC (Voltage Bus Conditioner) system for a DC DPS (Distributed Power System). The advantages of the proposed VBC system are as follows: 1) the storage capacitor use smaller value than the conventional capacitive storage 2) the controller requires only one sensor to both damp the voltage transients and maintain the storage voltage. The performance of the proposed VBC system has been simulated and evaluated by Saber package.
저가형 마이크로콘트롤러를 이용한 PMSM 센서리스 제어
강봉우(Bong-Woo Kang),석봉준(Bong-Jun Seok),나재두(Jae-Du La),김영석(Young-Seok Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.10
This paper describes a PMSM control algorithm for a low-cost motor drive system using micro controller Unit. The optimization of the control algorithm was achieved for the detailed high speed control of the PMSM. the proposed algorithm consists of the current observer and the sensor less scheme based on instantaneous rective power. The usefulness of the proposed algorithm in the low-cost micro controller unit is verified through the experiment.
DC 배전시스템에서 Voltage Bus Conditioner롤 위한 PI 보상기 설계
김영석(Young-Seok Kim),석봉준(Bong-Jun Seok),나재두(Jae-Du La) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.10
The VBC(Voltage Bus Conditioner) is a bidirectional DC-DC converter with the energy storage for damping the instability and any transients of bus voltage in the DC DPS(Distributed Power System). This paper presents the PI(Proportional Integration) controller for the VBC. The PI controller is not only damping the bus transient, but also keeping the storage voltage level. Matlab Simulink simulation and experimental results are presented by validity of the proposed control technique.
DC 배전시스템에서 Voltage Bus Conditioner를 위한 PI 보상기 설계
김영석(Young-Seok Kim),석봉준(Bong-Jun Seok),나재두(Jae-Du La) 대한전기학회 2010 전기학회논문지 Vol.59 No.12
The VBC(Voltage Bus Conditioner) is a bidirectional DC-DC converter with the energy storage for damping the instability and any transients of bus voltage in the DC DPS(Distributed Power System). This paper presents the PI(Proportional Integration) controller for the VBC. The PI controller is not only damping the bus transient, but also keeping the storage voltage level. Matlab Simulink simulation and experimental results are presented by validity of the proposed control technique.
DC 버스 전압 안정화를 위한 Voltage Bus Conditioner에서의 제어 기법의 연구
오덕수(Duck-Su Oh),석봉준(Bong-Jun Seok),김영조(Young-Jo Kim),나재두(Jae-Du La),김영석(Young-Seok Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
A Voltage Bus Conditioner(VBC) may be used to damp the transient bus voltage in a DC Distributed Power System (DC DPS). In this paper, the two kinds of the controls for the VBC are compared with each other. The one of the controls is the sliding mode control and the other is the constant frequency hysteresis control. The performances of sliding mode control and constant frequency hysteresis control are compared. Simulation results by Matlab Simulink represent that the constant frequency hysteresis control alleviates the transient bus voltage more than the sliding mode control.
태양광 발전 시스템에서 DC-DC 컨버터를 이용한 태양광 모듈의 출력 제어
장한솔(Han-Sol Chang),이병헌(Byung-Hun Lee),석봉준(Bong-Jun Seok),나재두(Jae-Du La),김영석(Young-Seok Kim) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
태양광 발전 시스템에서 부하가 증가 또는 순간적인 변동 등의 경우 전압과 전류의 변동이 발생하므로 태양광 어레이의 출력 제어가 필수적이다. 따라서 일정한 전압을 공급하기 위해 DC-DC 컨버터를 사용하여 전압변동을 보상할 수 있다. 이 논문에서는 부하의 변동이 발생했을 때 boost 컨버터를 사용하여 전압변동에 신속하게 대응 할 수 있도록 피드백 보상회로를 설계하였으며 이것을 PSIM을 사용한 모의실험으로 컨버터의 동작을 확인하고 시스템의 타당성을 입증하였다.