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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...
This paper suggests the new modulation method of the multi-level double converter system used for static synchronous compensator for distribution power system (D-STATCOM). The proposed modulation method can change the modulation factor for each level of the converter to control the balance of each dc capacitor voltage and also can reduce the higher harmonics and the switching loss.
The buck-boost power factor corrected (PFC) converter has the wide range of the dc output voltage. A new non-isolated three-phase hard-switching buck-boost PFC converter and a new non-isolated three-phase soft-switching buck-boost PFC converter are proposed. Their structures are very compact and the low cost is achieved by removing the three-phase transformer. They are operated in the discontinuous...
This paper describes about the multi-level BTB converter system installed in the power distribution system with the dispersed generation, such as solar power, wind power, or others. This type of generation is often installed at the end of the power distribution system. This makes the current flow in the power distribution system unexpected profile and sometimes cause too much high voltage. To avoid...
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