MATEC Web Conf.
Volume 211, 2018The 14th International Conference on Vibration Engineering and Technology of Machinery (VETOMAC XIV)
|Number of page(s)||6|
|Section||EH: Energy Harvesting from Ambient Mechanical Oscillations|
|Published online||10 October 2018|
Vibrational energy harvesting device with magnetic tip mass
Moscow Technological University (MIREA), Research-Education Center “Magnetoelectric materials and devices”,
78 Vernadsky Avenue,
* Corresponding author: firstname.lastname@example.org
In this paper, the energy-harvesting device based on vibrational piezoelectric transducer for AC magnetic field conversion is presented. The harvester consists of the transducer and an AC/DC-converter. The load dependencies of the transducer showed that the maximal rms power reached a peak of Prms = 37 μW at f = 50 Hz and Prms = 200 μW at f = 48 Hz. If the harvester is placed into an external AC magnetic field h(t) of the frequency f = 48 Hz and constant amplitude of h = 5 Oe, DC voltage of fixed level (1.8 V, 2.5 V, 3.3 V or 3.6 V) is available on the output. Charging time depends on the voltage level and has a maximum value of t ≈ 11 s for 3.6 V and minimum value t ≈ 6 s for 1.8 V.
© The Authors, published by EDP Sciences, 2018
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