Harvesting Electrical energy From Excessive-Voltage Transmission Strains Utilizing Fences

When you could have a bunch of 230 kV transmission strains working over your property, why not use them for some scientific experiments? That is the place the [Double M Innovations] YouTube channel comes into play, together with a latest video the place the concept of harvesting electrical energy from HV transmission strains using regular fences is put to an preliminary take a look at.

A relatively hefty 88 µF, 1200 V capacitor, a full bridge rectifier, and 73 meters (240 ft) of coax cable to a spot beneath the aforementioned HV transmission strains. The cable was then put up at a top in line with that of fencing at about 1.2 m (4 ft), ensuring that no contact with the bottom occurred wherever. One finish of the copper defend of the coax was linked to the complete bridge rectifier, with the other AC facet linked to a steel stake pushed into the bottom. From this the capacitor was being charged.

As for the outcomes, they had been relatively regarding and flashy, with the 1000 VAC-rated multimeter going out of vary on the AC facet of the bridge rectifier, and the capacitor slowly charging as much as 1000 V earlier than the experiment was stopped.

Primarily based on the capability of the capacitor and the ultimate measured voltage of 907 VDC, roughly 36.2 Joule would have been collected, giving some concept of the facility one may accumulate from a couple of kilometers of fencing wire beneath such HV strains, and why you most likely wish to floor them if power accumulating is just not your focus.

As for whether or not storing the facility inductively coupled on fence wire might be legally used might be one thing greatest mentioned along with your native power firm.

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Because of [Keith Olson] for the tip.