Invention Grant
- Patent Title: Power generating unit with virtual synchronous generator with current limitation
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Application No.: US18506631Application Date: 2023-11-10
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Publication No.: US12176842B2Publication Date: 2024-12-24
- Inventor: Esmaeil Ebrahimzadehveshareh , Torsten Lund , John Godsk Nielsen
- Applicant: VESTAS WIND SYSTEMS A/S
- Applicant Address: DK Aarhus
- Assignee: VESTAS WIND SYSTEMS A/S
- Current Assignee: VESTAS WIND SYSTEMS A/S
- Current Assignee Address: DK Aarhus
- Agency: Patterson + Sheridan, LLP
- Priority: DKPA201970465 20190715
- Main IPC: H02P9/00
- IPC: H02P9/00 ; H02P9/02

Abstract:
The invention relates to a method for controlling a power generating unit. The method includes determining a virtual impedance value, determining a virtual grid power based on the virtual resistance value and the grid current, determining a virtual synchronous machine rotational speed and/or a synchronous machine angle of a virtual synchronous generator, and determining a voltage reference for controlling a line side converter to generate the desired reactive power based on the virtual synchronous machine rotational speed or angle, a virtual voltage and the voltage magnitude reference.
Public/Granted literature
- US20240079978A1 POWER GENERATING UNIT WITH VIRTUAL SYNCHRONOUS GENERATOR WITH CURRENT LIMITATION Public/Granted day:2024-03-07
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