전자기유도 자가발전 모듈의 코일 분리에 따른 발전량 분석

초록

The vibrations generated by the contact between the wheel and the rail when the train travels must be attenuated for the ride comfort of the passengers inside the cabin. To this end, railway vehicles are equipped with suspensions, such as springs and dampers, where energy losses occur. The vibration energy harvester is a device that recovers the lost vibration energy and converts it into useful electric energy. In this study, we introduce an electromagnetic induction harvester for the recovery of vibration energy of a railway vehicle and obtain resonance frequency, voltage output, optimum resistance, and power generation performance through some experiments. Then, the test results are analyzed according to the coil segmentation of the harvester. Based on this, we compare and the advantages and disadvantages of the coil segmentation considering its application as an actual power source for railroad vehicle monitoring sensors.