Evaluation of the Safety Aspects of Using Electric Vehicle Home Charging Devices in Indonesia

Based on the outlook of the International Energy Agency (IEA) in 2020, it is known that the number of electric cars in the world in 2019 reached 7.2 million units, an increase of 40% compared to 2018. Nearly 90% of these electric vehicles perform private charging including using home charging devices. In this study, the safety aspects and existing installations of home charging devices in Indonesia are evaluated to determine the safety factors that need to be prepared when installing these devices at home. The methodology in this research namely risk assessment, evaluation of the design, and evaluation of installation including risk mitigation of installing home charging devices, especially in Indonesia. In this paper, home charging designs related to safety aspects are observed including enclosure design, protection coordination, insulation coordination, and communication systems. To mitigate and reduce the level of risk of home charging in existing installations for household PLN customers, this study has presented a proposed assessment flow and obtained recommendations that map the power class of PLN customers based on 3 installation categories. Moreover, product certification of home charging devices was critical to meet the safety design.