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Non-invasion power monitoring with 120% harvesting energy improvement by maximum power extracting control for high sustainability power meter system

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7 Author(s)
Tzu-Chi Huang ; Inst. of Electr. Control Eng., Nat. Chiao Tung Univ., Hsinchu, Taiwan ; Ming-Jhe Du ; Yao-Yi Yang ; Yu-Huei Lee
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Magnetic energy harvesting (MEH) circuit for system sustainability and power monitoring system with a novel dual-wire current transformer (DWCT) are proposed in this paper. MEH circuit simultaneously senses and harvests the magnetic energy. DWCT has the benefits of non-invasion measurement (NIM) and is easy to use. The designed direct AC-DC rectifier with maximum power extracting (MPE) control fits the characteristic of magnetic energy source. Thus, 120% harvesting power improvement can be achieved under the same sensing current.

Published in:

Custom Integrated Circuits Conference (CICC), 2012 IEEE

Date of Conference:

9-12 Sept. 2012