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We evaluate an ultra-low-power radiation-sensing circuit based on a radiation sensitive MOSFET (RADFET) for use in Wireless Sensor Networks (WSN) powered by energy harvesting with a special focus on airborne applications. We estimate a worst-case energy budget below 10 μJ per readout cycle superimposed on a constant worst-case power budget below 10 μW. The sensor circuit operates successfully with...
Enhanced condition monitoring of the electric grid infrastructure could be achieved by adding more sensors to track the plant health more accurately. However, the installation or operating costs of any additional sensors could outweigh the benefits they bring due to the requirements for new cabling or battery maintenance. High voltage plant, such as substation, contains several potential energy sources...
Condition monitoring plays an increasingly important role in the asset management of the electricity transmission infrastructure. More accurate tracking of the plant health could be achieved through the addition of more sensors. The installation or operating costs of more sensors could outweigh the benefits they bring due to the requirement for new cabling or battery maintenance respectively. The...
A capacitive scavenging device is proposed to extract energy from the electric field that surrounds the equipment in a substation. Related research has shown that switching techniques can be used to increase the useful power obtained. An experiment has been set up by putting two parallel plates of 10 cm radius in a uniform AC electric field up to 20 kV/m. A mechanical reed relay was used at this stage...
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