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PVG의 MIC 시스템을 위한 새로운 최대전력점 추적 제어
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),김순영(Sun-Young Kim),정동화(Dong-Hwa Chung) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.9월
This paper proses the novel control algorithm of maximum power point tracking for photovoltaic generation. The grid-connected photovoltaic (PV) power conditioning system (PCS) is the key technology in the future distributed production of electricity using solar energy. There are basically three types of grid-connected PV PCSs: the centralized PCS, the string PCS, and the module integrated converter (MC) PCS. To improve the PV MC, it needs the novel control algorithm of maximum power point tracking(MPPT) so that high-efficiency power conversion. The PV panel has a nonlinear characteristics and the power has maximum power point(l\.1PP) at a certain operation point with coordinates voltage and current of MPP, Since the l\.1PP depends on solar irradiation and cell temperature, it is never constant over time. thereby maximum power point tracking (MPPT) should be used to track its changes. The proportionality coefficient of the prediction line is automatically corrected using the hill climbing method(HCM) when the panel temperature of the solar arrays is changed. This paper is proposed the analysis results to verify the effectiveness of this controller.
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 전력전자학회 2010 전력전자학술대회 논문집 Vol.2010 No.7
This paper proposes photovotaic thermal hybrid module to get the electrical and Thermal performance of building integrated photovoltaic(BIPV) system. BIPV system is decreased the system efficiency because output of PV is decreased by the thermal rising on generating. In order to improve the efficiency of BIPV module, water cooling system is applied and generated thermal is used the warm water system. Water cooling system uses the flux control algorithm considering water temperature and power loss. Electrical and thermal performance of proposed photovotaic thermal hybrid module is confirmed through the actual experiment and herby proved the valid of this paper.
태양광 발전의 효율 향상을 위한 새로운 태양추적 알고리즘 개발
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),장미금(Mi-Geum Jang),김순영(Sun-Young Kim),정동화(Dong-Hwa Chung) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.10
This paper proposes a novel solar tracking algorithm for improving of photovoltaic(PV) efficiency with tracking method. A novel solar tracking algorithm calculates the global latitude and longitude of earth with sun. Also, it considers the refraction of atmosphere, annual oscillation and perturbation of moon. Proposed algorithm is applied the PV generation unit with tracking method and observes the azimuth and altitude. Observed data compare to korea astronomy observatory and conventional position solar algorithm(PSA) data and analyzes the accuracy. Therefore, the validity of this paper proves by analyzed data.
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Joon Kang),백정우(Jung-Woo Baek),장미금(M-Geum Jang),문주희(Ju-Hui Mun),김순영(Soon-Young Kim),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.10
This paper proses the novel control algorithm of maximum power point tracking for photovoltaic generation. The grid-connected photovoltaic (PV) power conditioning system (PCS) is the key technology in the future distributed production of electricity using solar energy. There are basically three types of grid-connected PV PCSs: the centralized PCS, the string PCS, and the module integrated converter (MIC) PCS. To improve the PV MIC, it needs the novel control algorithm of maximum power point tracking(MPPT) so that high-efficiency power conversion. The PV panel has a nonlinear characteristics and the power has maximum power point(MPP) at a certain operation point with coordinates voltage and current of MPP. Since the MPP depends on solar irradiation and cell temperature, it is never constant over time. thereby maximum power point tracking (MPPT) should be used to track its changes. The proportionality coefficient of the prediction line is automatically corrected using the hill climbing method (HCM) when the panel temperature of the solar arrays is changed. This paper is proposed the analysis results to verify the effectiveness of this controller.
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),장미금(Mi-Geum Jang),백정우(Jeong-Woo Baek),문주희(Ju-Hui Mun),김순영(Sun-Young Kim),정동화(Dong-Hwa Chung) 한국조명·전기설비학회 2010 한국조명·전기설비학회 학술대회논문집 Vol.2010 No.5월
The application of photovoltaic(PV) has been increasing popular, especially in remote areas, where power from a utility is not available or is too costly to install. The power delivered by the PV module depends on the irradiation, temperature and shadowing conditions. The PV panel has a nonlinear characteristics and the power has maximum power point(MPP) at a certain working point with coordinates voltage and current of MPP. Since the MPP depends on solar irradiation and cell temperature, it is never constant over time. thereby maximum power point tracking (MPPT) should be used to track its changes. This paper is proposed optimal current control of PV system searching parameter corresponding to weather conditions. The proportionality coefficient of the prediction line is automatically corrected using the hill climbing method(HCM) when the panel temperature of the solar arrays is changed. This paper is proposed the analysis results to verify the effectiveness of this controller.
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
The application of photovoltaic(PV) has been increasing popular, especially in remote areas, where power from a utility is not available or is too costly to install. The power delivered by the PV module depends on the irradiation, temperature and shadowing conditions. The PV panel has a nonlinear characteristics and the power has maximum power point(MPP) at a certain working point with coordinates voltage and current of MPP. Since the MPP depends on solar irradiation and cell temperature, it is never constant over time. thereby maximum power point tracking (MPPT) should be used to track its changes. This paper is proposed optimal current detdect(OCD) control of PV system searching parameter corresponding to weather conditions. The proportionality coefficient of the prediction line is automatically corrected using the hill clinbing method(HCM) when the panel temperature of the solar arrays is changed. This paper is proposed the analysis results to verify the effectiveness of this controller.
최정식(Jung-Sik Choi),고재섭(Jae-Sub Ko),강성준(Sung-Jun Kang),백정우(Jeong-Woo Baek),장미금(Mi-Geum Jang),문주희(Ju-Hui Mun),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.4
This paper proposes photovoltaic/thermal (PV/T) hybrid module to get the Electrical and Thermal performance of building integrated photovoltaic(BIPV) system. BIPV system is decreased the system efficiency because output of PV is decreased by the thermal rising on generating. In order to improve the efficiency of BIPV module, water cooling system is applied and generated thermal is used the warm water system. Water cooling system uses the hybrid PI thermal control and flux control algorithm. Electrical and thermal performance of proposed PV/T module is confirmed through the actual experiment and herby proved the valid of this paper.