Electric bus ‘Olev’ using wireless charging technology started operating in Daedeok Special District.
The Ministry of Science and ICT and Daejeon Metropolitan City announced on the 23rd that they had an opening ceremony for the pilot operation of ‘On-Line Electronic Vehicle.
The opening ceremony, which was held for 30 people in consideration of the COVID-19 situation, included National Assembly members Lee Sang-min and Cho Seung-rae in Daejeon, as well as Chairman Kang Byung-sam of the Research and Development Special Zone Promotion Foundation (Kang Byeong-sam), Korea Advanced Institute of Science and Technology (KAIST) President Lee Kwang-hyeong, Daejeon City Council, Yuseong-gu Mayor, Yuseong-gu Assembly, and Shin Sung-dong. ‧Oncheon 2-dong residents and KAIST students attended to celebrate the opening of the Daedeok Innopolis circular bus and held a test ride ceremony.
The wireless charging electric bus, one of the leading projects for re-creation of the Daedeok Innopolis, was promoted as part of the ‘Daedeok Science and Culture Street Creation Project’ jointly supported by the Ministry of Science and ICT and Daejeon City. After verification of convenience, etc., it will be put into general city bus routes after the pilot operation is completed.
The wireless charging technology applied to OLEV is a self-resonant method developed by KAIST, which attaches a wireless charging device (receiver) to an electric bus, embeds a wireless charger (transmitter) in the lower part of the bus stop, and utilizes the 85kHz band frequency for bus It is a wireless charging service before and after entering a bus stop and when stopping.
By using the original technology (magnetic resonance imaging technology) that can safely transmit large-capacity electric energy wirelessly, the electric bus can be charged while driving or stopping.
In September last year, during the ICT regulation sandbox deliberation, a special demonstration was granted to demonstrate the electric bus wireless charging service at two bus stops in KAIST among the circular electric bus routes in the Daedeok R&D Special District.
Unlike the wired charging method, it is possible to charge multiple units one by one without installing a separate charging facility or additional connecting parts (connectors). .
The wireless charging electric bus operated this time can be charged with 150 kw in one hour and can run 150 km, but on the Daedeok Special District circulation route, it will charge 50 kw for 20 minutes, which is the bus driver’s break time, and run 23.5 km.
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From the 24th, Daejeon City will pilot the Daedeok Innopolis circulation route linking KAIST – Daedeok Innopolis Yeongyeon – DCC – Urban Railway Stations (Wolpyeong, Yuseong Oncheon, Guam) for two years. The first bus is at 6 am, and the last bus is at 10 pm. Fares are the same as regular city bus fares, and only transportation cards can be used.
Minister Lim Hye-sook said, “The demonstration of wireless charging bus technology is a bold challenge for the 2050 carbon-neutral future, and it is a start for people to experience science and technology in real life and to improve the quality of life.” “Transition to a carbon-neutral society through science and technology We will spare no effort in providing policy support, such as investment for technology development, so that the
