Wireless Charger
for Electric Vehicle in Thailand
Asst. Prof. Dr. Amornrat Kaewpradap
Department of Mechanical Engineering, Faculty of Engineering,
King Mongkut’s University of Technology Thonburi
Secretariat of Electric Vehicle Association of Thailand
Power for a wireless world seminar
University of Thai Chamber of Commerce, Thailand
December 1st , 2017
Thailand towards the Automotive Hub of Production and
R&D of ASEAN
Promote Thailand as an ASEAN Electric Vehicle Hub
Promote Electric Vehicle Usage on Thai Roads
Promote Electric Vehicle Production in Thailand and Supporting Local EV Company
Support R&D of EV, EV Parts and Components and Charging Station
Support Investment of EV in Thailand
EV Policy and Promotion in Thailand
EV Policy and Promotion in Thailand
Current EV Charging Station Projects in Thailand
150 EV Charging Station Project Supported by EPPO
1. Hotel & Resort
2. Department Store
3. Offices
4. House estate/ Condo
5. Public service
6. Tourism service
Supporting Public & Private sectors to buy EV Objective
Targets
Subsidy for Public sectors
Round 1-4 100%
Subsidy for Private sectors
Round 1 70%
Round 250%
Round 330%
Round 4 30%
EV Charging Station Promotion in Thailand
EV Charging Station Promotion in Thailand
Charging Station Promotion Project
Principle of Wireless Charging System
Figure 1. Wireless power transfer system block diagram (D. Vincent el al.,” Feasibility Study of
Hybrid Inductive and Capacitive Wireless Power Transfer for Future Transportation”)
Figure 2. Vehicle adapters installed below the EV Figure 3. Parking Pad for EV charging
Review of Wireless Charger for EV in Thailand
Wireless Charging TechnologiesTechnology Performance Cost Size Complexity Suggest Power
LevelEfficiency EMI frequency
Inductive Power
Transfer (IPT)medium medium 10-50kHz Medium Medium Medium Medium/High
Capacitive Power
Transfer (CPT)low medium 100-500kHz Low Low Medium Low
Permanent Magnet
Coupling Power
Transfer (PMPT)
low high 100-500Hz High High High Medium/Low
Resonant Inductive
Power Transfer (RIPT)medium low 1-20MHz Medium Medium Medium Medium/Low
On-Line Inductive
Power Transfer(OLPT)medium medium 10-50kHZ High High Medium High
Resonant Antenna
Power Transfer (RAPT)medium medium 100-500kHz Medium Medium Medium Medium/Low
References: Fariborz Musavi, Wilson Eberle , Overview of wireless power transfer technologies for electric vehicle battery charging
Review of Wireless Charger for EV in Thailand
References: Assoc.Prof. Dr.Werachet Khan-Ngern,
King Mongkut’s Institute of Technology Ladkrabang, Bangkok, Thailand
An example research of wireless charger for EV in Thailand
Wireless Charger Platform for small EV
Inductive-power transfer
Thank you
