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This paper deals with a cost effective wireless EV battery charger which incorporates the simplest quasi-resonant soft switching pulse modulated inverter. In the first place, the operating principle of a wireless EV charger using a class-E single-ended inverter is described. This type of wireless resonant EV charger can efficiently operate under a condition of class-E switching controlled by synchronized...
The government of Japan assumes that a large portion of renewable energy in the near future will be provided by photovoltaic generation systems installed at end consumers. Thus, smart grids in Japan will be established mainly at the distribution and the end-consumer level of power systems. Considering this situation, the Smart Grid Working Group, created inside the Cooperative Study Group on Applications...
This paper presents the performance of connecting two wind generation systems with the energy storage at the DC side. Energy storage is desirable to be installed to keep constant output from the wind power generation system. The DC connection of two wind power generation system helps to exchange power between the two systems and can suppress the disturbance of the output power to the utility systems...
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