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All Journal International Journal of Applied Power Engineering (IJAPE)
Babu, Nenavath Ramesh
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Electrical & Electronics Engineering

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Simulation of three phase grid interconnections with HVDC link with three level MMC converter Thiruveedula, Madhubabu; Babu, Nenavath Ramesh; Akash, Penagonda; Bhavana, Guthula Sravya; Arjun, Devasoth; Chethan, Gavvala
International Journal of Applied Power Engineering (IJAPE) Vol 15, No 1: March 2026
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijape.v15.i1.pp289-297

Abstract

This paper presents the simulation and analysis of a three-phase grid interconnection system using a high voltage direct current (HVDC) link with a three-level modular multilevel converter (MMC). The HVDC link enhances modern power transmission by reducing losses, increasing transfer capacity, and improving grid stability. The three-level MMC, known for its modular design, scalability, and low harmonic distortion, is employed for efficient grid integration. The system, modeled in MATLAB/Simulink, includes a three-phase alternating current (AC) grid, HVDC link, and MMC operating in both rectification and inversion modes to enable bidirectional power transfer. Proportional-integral (PI) controllers synchronize the MMC with the grid, ensuring stable operation under varying conditions such as load changes and disturbances. Simulation results indicate high efficiency, low harmonic distortion, reduced switching losses, and decreased voltage stress on components. The HVDC link also improves reliability by damping power oscillations and providing reactive power support. Overall, the integration of HVDC and MMC offers a robust, efficient, and sustainable solution for future high-performance grid interconnections, serving as a strong basis for further advancements in HVDC transmission systems.
Co-Authors Akash, Penagonda Arjun, Devasoth Bhavana, Guthula Sravya Chethan, Gavvala Thiruveedula, Madhubabu