Voltage Sag Mitigation in Utility Distribution System Using STATCOM with Hysteresis Current Controller

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Provided by: International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering (IJAREEIE)
Topic: Hardware
Format: PDF
In this paper, the authors present three phase voltage source inverter based STATCOM using hysteresis current controller for mitigating voltage sag due to sudden increase in load. A STATCOM injects a current to the system such that it negates the effect of non-linear current waveform generated by load. Three phases voltage source inverter based on MOSFET is designed and firing pulses to the device is given by hysteresis current controller, which produces proper switching frequency to the inverter to manipulate the voltage sag during change in load.
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