Large Signal Stability Assessment of MPC-based Control for HVDC Electrical Grid

Kamat Tarcar, R.; Shetgaonkar, A.D.; Popov, M.; Lekic, Aleksandra

Large Signal Stability Assessment of MPC-based Control for HVDC Electrical Grid

Conference paper (2024)

Authors

R. Kamat Tarcar Intelligent Electrical Power Grids

A.D. Shetgaonkar Intelligent Electrical Power Grids

M. Popov Intelligent Electrical Power Grids

Aleksandra Lekic Intelligent Electrical Power Grids

Research Group

Intelligent Electrical Power Grids

HVDC Lyapunov Stability MMC MTDC Large Signal Stability Virtual Synchronous Machine Grid Forming Control (GFM) Region of Attraction RSCAD/RTDS®

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Published Date

2024

Language

English

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Research Group

Intelligent Electrical Power Grids

Abstract

The stability of an HVDC transmission network is very important for the reliable transfer of power from renewable energy resources. Therefore, this paper proposes a region of attraction stability analysis method for grid-forming-based modular multilevel converters. The grid forming control uses a model predictive control-based controller for the inner current loop. The stability analysis is carried out using the direct Lyapunov method. For the model predictive control, the modified version of the cost function is used; the same function is also used as the cost function for the direct Lyapunov method. Furthermore, the boundaries formed by the limiters and Lyapunov function entirely explain transient event behavior.

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