Journal ArticleDOI
Energy harvesting for a wireless-monitoring system of overhead high-voltage power lines
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TLDR
In this paper, an approach to harvesting energy from the electric field around the conductor to supply the wireless sensor nodes was investigated, and a prototype of the power module was realized and tested under high voltage laboratory conditions.Abstract:
For electric power transmission the overhead power line monitoring system plays an important role in operating security for grid operators as well as high supply availability at optimised cost. In this study, an approach to harvesting energy from the electric field around the conductor to supply the wireless sensor nodes was investigated. Special requirements in functionality, reliability and limited accessibility at the power line result in the development of a specific energy management strategy. A prototype of the power module was realised and tested under high voltage laboratory conditions. Then, a field test was carried out under real operating conditions. The test results confirm that the power module can collect enough energy to power the sensor nodes. The contribution in this study presents theoretical considerations of energy availability from the electric field, design of energy management and results from measurements with the prototype in a high voltage laboratory and in field test. The field test results demonstrate that the energy harvester can collect enough energy to power the sensor nodes by 16 mW.read more
Citations
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References
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Proceedings ArticleDOI
Energy harvesting devices for high voltage transmission line monitoring
Feng Guo,Hassan Hayat,Jin Wang +2 more
TL;DR: In this paper, a feasibility study of a low cost linear generator that utilizes the magnetic field produced by high voltage dc lines is presented, where the power density of the linear generator is low, a case study shows that it could be utilized to continuously charge a battery for pulsed communications.
Proceedings ArticleDOI
Energy Harvesting for Online Condition Monitoring of High Voltage Overhead Power Lines
TL;DR: In this paper, the authors investigate possibilities for monitoring devices that are directly mounted onto a conductor and demonstrate that such a device can be powered from the electric field around the conductor and that electronic equipment can be protected from the strong electric and magnetic fields as well as transient signals due to partial discharge events.
Temperature Measurement on Overhead Transmission Lines (OHTL) utilizing Surface Acoustic Wave (SAW) sensors
Christian Bernauer,H. Bohme,Steffen Grossmann,Volker Hinrichsen,Stefan Kornhuber,Sacha Markalous,TU Darmstadt,Michael Muhr,Thomas Strehl,Renata Teminova +9 more
TL;DR: In this paper, the conductors of an overhead transmission line are measured and the data transmitted wirelessly by means of a radio frequency backscatter (radar principle) to a data collection point.
Journal ArticleDOI
Coaxial Capacitive Dividers for High-Voltage Pulse Measurements in Intense Electron Beam Accelerator With Water Pulse-Forming Line
TL;DR: Compared with conventional resistance dividers, the capacitive divider has more advantages, such as compactness, stability, a relatively high divider ratio, a fast response time, and not much of an effect on the accelerator.
Proceedings ArticleDOI
Energy Harvesting in Substations for Powering Autonomous Sensors
M. Zhu,M. D. Judd,P. J. Moore +2 more
TL;DR: Energy harvesting devices are being proposed to power a new generation of wireless sensors that could enable the sensors to be maintenance free over their lifetime and substantially reduce the cost of installing and operating a condition monitoring system.