Citation:
Harnefors , L , Schweizer , M , Kukkola , J , Routimo , M , Hinkkanen , M & Wang , X 2022 , ' Generic PLL-Based Grid-Forming Control ' , IEEE Transactions on Power Electronics , vol. 37 , no. 2 , pp. 1201-1204 . https://doi.org/10.1109/TPEL.2021.3106045
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Abstract:
In grid-forming control, the swing equation of a synchronous machine is emulated by a power controller. Thereby, frequency droop, power-oscillation damping, and/or virtual inertia can be obtained. In this letter, it is shown that a phase-locked loop - which is normally grid following - can be designed so as to, in turn, emulate a generic power controller, thus, becoming grid-forming.
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