Energy harvesting applications using 3D-printed coreless generator

Abstract

3D-printed coreless generator has been presented for energy harvesting applications using permanent magnet as source of external magnetic field in the rotor. The phototype of proposed coreless generator is built using 3D-printer with Black Polylactic Acid (PLA) as a filament for stator housing, rotor and other parts. The major parts of the proposed coreless generator are the stator, which has four coils of winding copper wire and the rotor with eight permanent magnets which are arranging N and S magnet poles alternately. This research is conducted to determine how much power can be generated from the proposed 3D-printed permanent magnet generator. The prototype permanent magnet generator is tested with rotational speed and load condition. The experimental results have been shown that the coreless generator can generate the electrical energy up to 5 W at 6000 rpm.

A prototype of 3D-printed permanent magnet generator for low power applications

“…In the case of permanent magnet generator, PLA material is the material that is used the most. As it can be seen from the data in Table 4, our proposed generator can generate lower power than previous work in [30], [31]. However, in this work the generator is tested with lower rotation speed.…”

“…However, in this work the generator is tested with lower rotation speed. Triboelectric generator -3.9 V [28] Electrostatic generators ABS plastic 15 uW [29] permanent magnet generator PLA 1,136 mV [30] permanent magnet generator PLA 5,000 mW @6,000 rpm [31] permanent magnet generator PLA 10,300 mV @5,000 rpm This work permanent magnet generator PLA 4,245.28 mW @2,500 rpm…”

“…Due to the promising aspect of what 3D-printing technology has to offer, it has also attracted interest from the permanent magnet generator construction. Several designs of permanent magnet generators using 3Dprinting technology have been proposed such as triboelectric generator [26], [27], electrostatic generator [28] as well as permanent magnet generator [29]- [31]. However, almost research works about 3D-printed generator are currently on initial stages of development.…”

A Review on Kinetic Energy Harvesting with Focus on 3D Printed Electromagnetic Vibration Harvesters

“…Therefore, various harvester designs and techniques for these forms exist. Three-dimensional printed EM harvesters utilising rotation are presented in [25][26][27][28][29][30]. Three-dimensional printed EM vibration harvesters are reviewed in this paper.…”