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Phase-Controlled Thyristor Sub-Synchronous Damper Converter for a Liquefied Natural Gas Plant
2021
Energies
In electrified liquefied natural gas (LNG) plants variable frequency drives (VFDs) interact with turbine-generator (TG) units creating torsional vibrations known as sub-synchronous torsional interactions (SSTIs). Torsional vibrations can be dangerous for an LNG plant when they involve torsional instability. The stability of an LNG plant depends on the plant configuration and on the number of TG units and of VFDs. In such peculiar configurations stability cannot be achieved acting of the VFDs
doi:10.3390/en14175238
fatcat:7lk6nfsbrrffni4bvyqflwp44i