Modelling and Simulation for the Performance Analysis of Integrated Power Flow Controllers
Keywords:
Integrated Power Flow Controller (IPFC), Flexible AC Transmission Systems (FACTS), Modelling and Simulation, Voltage Source Converter (VSC), Power Flow Control, Voltage StabilityAbstract
The increasing complexity of modern power systems, driven by growing load demand and high penetration of renewable energy sources, necessitates advanced control devices for efficient power flow management and voltage stability enhancement. The Integrated Power Flow Controller (IPFC), a versatile member of the Flexible AC Transmission Systems (FACTS) family, offers simultaneous control of multiple transmission lines, making it a promising solution for improving system performance. This study focuses on the modelling and simulation of the IPFC for performance analysis in interconnected power systems. A detailed mathematical model of the IPFC is developed based on voltage source converter (VSC) principles and implemented in a simulation environment such as MATLAB/Simulink. The model incorporates key control strategies to regulate active and reactive power flow, maintain voltage profile, and enhance system stability under varying load and fault conditions. Simulation results demonstrate the effectiveness of the IPFC in improving voltage regulation, reducing power losses, and mitigating transmission congestion. The dynamic response analysis highlights the capability of the IPFC to provide fast and stable control during transient disturbances. Comparative evaluation with conventional FACTS devices further establishes the superior performance of the IPFC in multi-line power flow control. Overall, the study confirms that accurate modelling and simulation of IPFC are essential for understanding its operational characteristics and optimizing its application in modern power systems, thereby contributing to enhanced reliability, efficiency, and large-scale grid integration.
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