ENERGY HARVESTING SYSTEM USING VARIABLE ADJUSTMENT OF CAPACITOR TO PREVENT SATURATION OF MAGNETIC FLUX DENSITY OF CORE AND OPERATION METHOD THEREOF
According to one embodiment of the present invention, an energy harvesting system includes: a secondary circuit generating a second voltage in accordance with an induced electromotive force by a primary circuit delivering a first voltage including an alternating current (AC) component of a predeterm...
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Format | Patent |
Language | English Korean |
Published |
10.08.2021
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Abstract | According to one embodiment of the present invention, an energy harvesting system includes: a secondary circuit generating a second voltage in accordance with an induced electromotive force by a primary circuit delivering a first voltage including an alternating current (AC) component of a predetermined size; a core magnetically associated with the primary and secondary circuits in accordance with a predetermined turns ratio; a capacitor variable-adjustment circuit having one end connected with one end of the secondary circuit, and delivering a first output voltage associated with a second voltage through the other end; a plurality of diode circuits connected with the other end of the capacitor variable-adjustment circuit and the other end of the secondary circuit; and a controller measuring a second output voltage delivered from the plurality of diode circuits, and controlling capacitance for the capacitor variable-adjustment circuit based on the measured second output voltage. Therefore, the present invention is capable of inducing an improvement in energy efficiency.
본 일 실시 예에 따른 에너지 하베스팅 시스템은, 미리 정해진 크기의 교류(AC) 성분을 포함하는 제1 전압을 전달하는 제 1차 회로에 의한 유도기전력에 따른 제2 전압이 생성되는 제2 차 회로; 미리 정해진 권선비(turns ratio)에 따라 제1 차 회로 및 상기 제2 차 회로와 자기적으로(magnetically) 연관되는 코어; 일단은 제2차 회로의 일단과 연결되고, 제2 전압과 연관된 제1 출력전압을 타단을 통해 전달하는 커패시터 가변조정회로; 커패시터 가변조정회로의 타단 및 제2 차 회로의 타단과 연결되는 복수의 다이오드 회로; 및 복수의 다이오드 회로로부터 전달되는 제2 출력전압을 측정하고, 측정된 제2 출력전압을 기반으로 커패시터 가변조정회로를 위한 정전용량(capacitance)를 조절하는 제어 장치를 포함한다. |
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AbstractList | According to one embodiment of the present invention, an energy harvesting system includes: a secondary circuit generating a second voltage in accordance with an induced electromotive force by a primary circuit delivering a first voltage including an alternating current (AC) component of a predetermined size; a core magnetically associated with the primary and secondary circuits in accordance with a predetermined turns ratio; a capacitor variable-adjustment circuit having one end connected with one end of the secondary circuit, and delivering a first output voltage associated with a second voltage through the other end; a plurality of diode circuits connected with the other end of the capacitor variable-adjustment circuit and the other end of the secondary circuit; and a controller measuring a second output voltage delivered from the plurality of diode circuits, and controlling capacitance for the capacitor variable-adjustment circuit based on the measured second output voltage. Therefore, the present invention is capable of inducing an improvement in energy efficiency.
본 일 실시 예에 따른 에너지 하베스팅 시스템은, 미리 정해진 크기의 교류(AC) 성분을 포함하는 제1 전압을 전달하는 제 1차 회로에 의한 유도기전력에 따른 제2 전압이 생성되는 제2 차 회로; 미리 정해진 권선비(turns ratio)에 따라 제1 차 회로 및 상기 제2 차 회로와 자기적으로(magnetically) 연관되는 코어; 일단은 제2차 회로의 일단과 연결되고, 제2 전압과 연관된 제1 출력전압을 타단을 통해 전달하는 커패시터 가변조정회로; 커패시터 가변조정회로의 타단 및 제2 차 회로의 타단과 연결되는 복수의 다이오드 회로; 및 복수의 다이오드 회로로부터 전달되는 제2 출력전압을 측정하고, 측정된 제2 출력전압을 기반으로 커패시터 가변조정회로를 위한 정전용량(capacitance)를 조절하는 제어 장치를 포함한다. |
Author | CHO, YONG SUN PARK, SONG PUM PARK, DONG IN |
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DocumentTitleAlternate | 코어의 자속밀도 포화를 방지하기 위해 커패시터의 가변조정을 이용하는 에너지 하베스팅 시스템 및 이를 위한 동작 방법 |
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Snippet | According to one embodiment of the present invention, an energy harvesting system includes: a secondary circuit generating a second voltage in accordance with... |
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SubjectTerms | APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TRANSFORMERS |
Title | ENERGY HARVESTING SYSTEM USING VARIABLE ADJUSTMENT OF CAPACITOR TO PREVENT SATURATION OF MAGNETIC FLUX DENSITY OF CORE AND OPERATION METHOD THEREOF |
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