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This paper presents control methodology of UPFC (unified power flow controller) for stable operation of distributed generators on distribution system. The UPFC consists of two parts, shunt and series compensation parts. The shunt part controls the power flow from the power system to be constant. The series part compensates unbalanced voltage and voltage sag. In addition, the proposed UPFC keeps operation...
Recently, renewable energy such as wind turbine generator and photovoltaic system are introduced as distributed generators (DGs). Connection of a large amount of distributed generator causes voltage deviation beyond the statutory range in distribution system. Reactive power control of inverter interfaced with DG is one of the solutions against this problem. Additionally, reactive power control has...
This paper deals with dynamic modelling of self-excited induction generator connected to a supply system through a DC link (converterline commutated inverter) and digital control design for regulating the power transfer through the link. Using different sampling rates for the converter and inverter control loops, the proposed design ensures reduced reactive power burden on the induction generator...
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