Flexibility and resiliency are among the main features of next-generation zonal DC microgrids on ships. These paramount characteristics are enabled by the huge penetration of power electronics interfaces, whose presence is beneficial for the grid controllability. Conversely, the interactions among controlled converters and filtering stages can possibly trigger unstable behaviors, thus the ship blackout. Although DC systems are designed to ensure the stability in the operating conditions, the risk of instability is anyway not negligible, especially after faults or undesired disconnections. In this paper, an advanced Power Management System (PMS) is conceived to reconfigure the control parameters in order to avoid the instability. This control tuning is performed by integrating into the PMS an optimization procedure. The latter is able to maintain the system stability without any load shedding action, while limiting the dynamics performance worsening. The stable reconfiguration capability extends the flexible and resilient operation of zonal DC grids.

Optimized Tuning for Flexible and Resilient Control of Zonal DC Microgrids on Ships

Tavagnutti, AA;Bosich, D
;
Sulligoi, G
2023-01-01

Abstract

Flexibility and resiliency are among the main features of next-generation zonal DC microgrids on ships. These paramount characteristics are enabled by the huge penetration of power electronics interfaces, whose presence is beneficial for the grid controllability. Conversely, the interactions among controlled converters and filtering stages can possibly trigger unstable behaviors, thus the ship blackout. Although DC systems are designed to ensure the stability in the operating conditions, the risk of instability is anyway not negligible, especially after faults or undesired disconnections. In this paper, an advanced Power Management System (PMS) is conceived to reconfigure the control parameters in order to avoid the instability. This control tuning is performed by integrating into the PMS an optimization procedure. The latter is able to maintain the system stability without any load shedding action, while limiting the dynamics performance worsening. The stable reconfiguration capability extends the flexible and resilient operation of zonal DC grids.
2023
978-1-6654-6441-3
https://ieeexplore.ieee.org/document/10252256
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/3067342
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