Loss Measurement in Power Conditioning Module for Power-line Magnetic Noise Energy Harvesting Device (特集 The 20th MAGDA Conference in Pacific Asia (MAGDA2011))

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概要

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• The purpose of our research is to develop an energy harvesting device for a power-line magnetic field of 60 Hz. This device consists of an energy harvesting module and a power conditioning module. The harvesting module can provide 25 mW to an optimum load of 1 kΩ from a field of 45.3 μT. To use the harvested energy as a battery, a power conditioning module consisting of a rectifier circuit and a DC-DC converter is required. We prepared two fullwave rectifier circuits with different Schottky diodes, and an ultralow voltage step-up converter for an output of 5 V. The efficiency of the rectifier circuit was greater than 80 %. It was found that the efficiency of the DC-DC converter depended on the input voltage and the dummy load. From experiments, we successfully demonstrated that our developed harvesting device can provide an output voltage of 5 V. To use this device as a battery, loss in the power conditioning module was also discussed.

著者

• Wakikawa Hiroyuki

  Spin Device Technology Center Shinshu University

関連論文

• Loss Measurement in Power Conditioning Module for Power-line Magnetic Noise Energy Harvesting Device (特集 The 20th MAGDA Conference in Pacific Asia (MAGDA2011))
• Loss Measurement in Power Conditioning Module for Power-line Magnetic Noise Energy Harvesting Device(The 20th MAGDA Conference in Pacific Asia (MAGDA2011))
• Loss Measurement in Power Conditioning Module for Power-line Magnetic Noise Energy Harvesting Device

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