Abstract
Reliability Improvement in Serial Multicellular Converters Based on STATCOM Control
Highlights
Over the last couple of years’ electricity demand has considerably increased through industrialization and expansion
Simulations have been carried out using the serial multi-cellular converters based on phase shifted pulse width modulation (PS-PWM) control
This study demonstrated the modeling and performance analysis of multicellular converters used in STATCOM applications to voltage regulation, reactive energy compensation, and power factor improvement in a power system
Summary
Over the last couple of years’ electricity demand has considerably increased through industrialization and expansion. New transmission lines often fail to relieve overloaded transmission lines and provide a sufficient stability margin to diminish cascading outages and blackouts risks [1, 2] Addressing those problems entails further enhancement of the existing electrical system control. Flexible AC transmission devices (FACTS) are suggested to allow that improved system control These facilities operate based upon power electronics, and they provide new solutions to address these constraints or allow for better power flow control and management. STATCOM is the first FACTS employing voltage source converter (VSC) [4] This device uses high-power transistors type GTO (gate-turn-offoff) as well as IGBT (isolated-gate bipolar). This scheme has that characteristic to support voltage robustly under high disturbances, balancing asymmetric and fluctuating loads, and ; damping power oscillations [4, 5]
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