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Powering Low Cost Utility Sensors Using Energy Harvesting
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| Author(s) |
Rohit MOGHE, Frank LAMBERT, Deepak DIVAN |
| Abstract |
This paper presents the use of magnetic-field and solar energy harvesting to power low-cost utilitysensors. As we move towards a more dynamic and intelligent electricity grid, inexpensive smartsensors that help in extracting information on current, temperature and voltage from different utilityassets are becoming vital for maintaining high reliability of the power grid. Maintenance free sensorsthat do not require batteries for operation can be developed with the use of efficient energy harvestingtechniques. This paper presents a novel 0.2 V to 3.3 V AC-DC boost converter which convertsmagnetic field (H-field) and solar energy to electrical energy used by the sensor electronics. Asupercapacitor has been used to operate the sensor even in an outage. Numerous design constraintshave been identified. Further, a low-cost power circuit has been fabricated and experimentally testedto show functionality under varying operating conditions. Finally, analysis under faulted conditionshas also been presented to show the robustness of the power circuit. |
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| Filename: | 0750-epe2011-full-07075085.pdf |
| Filesize: | 508.3 KB |
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| Type |
Members Only |
| Date |
Last modified 2012-01-26 by System |
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