Method for operating doubly-fed wind turbine generator as a virtual synchronous machine to provide grid-forming control thereof
US11486355B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2020 |
| Grant date | Nov 1, 2022 |
| Priority date | — |
| Expiry date | Mar 6, 2041 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02J2300/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method for operating an asynchronous doubly-fed wind turbine generator connected to a power grid in a grid-forming mode to emulate a virtual synchronous machine. The doubly-fed wind turbine generator includes a line-side converter coupled to a rotor-side converter via a direct current (DC) link. The method includes receiving, via a controller, at least one reference command from an external controller. The method also includes controlling rotor flux of the doubly-fed wind turbine generator using the at least one reference command. Further, the method includes providing power droop control for the doubly-fed wind turbine generator through at least one of rotor-side reference frame rotation and d-axis flux control.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.