Transferring the driveshaft inertia to the grid via the DC-link in MV drive systems

Fuente: arXiv
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Hauptverfasser: Arghir, Catalin, Jörg, Pieder, Mastellone, Silvia
Format: Preprint
Veröffentlicht: 2025
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author Arghir, Catalin
Jörg, Pieder
Mastellone, Silvia
author_facet Arghir, Catalin
Jörg, Pieder
Mastellone, Silvia
contents This paper investigates a control approach that renders the driveshaft inertia completely available on the grid side and enhances the fault ride-through behavior of medium-voltage (MV) drive systems. Two main contributions are presented. First, we show how the rotational inertia of the driveline shaft can be synchronously coupled to the grid through a modification of the speed control reference signal and through an adapted DC-link control strategy. For the latter, we pursue two alternatives: one based on conventional cascaded control and another based on synchronous machine (SM) model matching. Second, we demonstrate that both the standard phase-locked loop (PLL) and the matching control approach can be interpreted, via the ray-circle complementarity, as feedback optimization schemes with distinct steady-state maps. This perspective allows us to revisit matching control, reveal its embedded PLL, highlight its current-limiting and tracking capabilities, and provide an extensive simulation study.
format Preprint
id arxiv_https___arxiv_org_abs_2508_21760
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Transferring the driveshaft inertia to the grid via the DC-link in MV drive systems
Arghir, Catalin
Jörg, Pieder
Mastellone, Silvia
Systems and Control
This paper investigates a control approach that renders the driveshaft inertia completely available on the grid side and enhances the fault ride-through behavior of medium-voltage (MV) drive systems. Two main contributions are presented. First, we show how the rotational inertia of the driveline shaft can be synchronously coupled to the grid through a modification of the speed control reference signal and through an adapted DC-link control strategy. For the latter, we pursue two alternatives: one based on conventional cascaded control and another based on synchronous machine (SM) model matching. Second, we demonstrate that both the standard phase-locked loop (PLL) and the matching control approach can be interpreted, via the ray-circle complementarity, as feedback optimization schemes with distinct steady-state maps. This perspective allows us to revisit matching control, reveal its embedded PLL, highlight its current-limiting and tracking capabilities, and provide an extensive simulation study.
title Transferring the driveshaft inertia to the grid via the DC-link in MV drive systems
topic Systems and Control
url https://arxiv.org/abs/2508.21760