Bibliographic Details
| Title: |
Open-loop power conditioning for vibration energy harvesters. |
| Authors: |
Burrow, S. G.1 stephen.burrow@bristol.ac.uk, Clare, L. R.1 |
| Source: |
Electronics Letters (Institution of Engineering & Technology). 9/10/2009, Vol. 45 Issue 19, p999-1000. 2p. 2 Diagrams, 3 Graphs. |
| Subjects: |
Electric impedance, Voltage regulators, Electric circuits, Electric controllers, Electricity |
| Abstract: |
Energy harvesters feature a high impedance output that complicates subsequent power conditioning because operation in the peak power region violates the stability criterion for converters with voltage regulation. By using a flyback converter in open-loop discontinuous mode and a shunt voltage regulator, it is demonstrated that a harvester can be operated in an optimal manner whilst ensuring stability. A circuit is described that draws the unity power factor from the harvester, provides output voltage regulation and consumes 180 µW of quiescent power. [ABSTRACT FROM AUTHOR] |
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| Database: |
Engineering Source |
