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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 shows new induction generation system for wind power generation. This system has inverter excited induction generator and the PFC converter to transfer the real power. Simulation and experimental results certifies that the DC/DC chopper control of the PFC converter can minimize the inverter current, which only supplies exciting current for the induction generator. It is also shown that...
This paper shows the newly developed modification of the double sinusoidal wave modulation used for multilevel converter. The proposed modulation makes it possible to change the modulation factor for each level of the converter to control the balance of each dc voltage and also can reduce the higher harmonics as same as sinusoidal modulation. This multilevel converter system has prospective configuration...
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