Influence of the Phase-Locked Loop on the Design of Microgrids Formed by Diesel Generators and Grid-Forming Converters

Río, Diana  Patricia Morán; Pérez, Javier Roldán; Prodanović, Milan; Cerrada, Aurelio García

doi:10.1109/tpel.2021.3127310

Cited by 12 publications

(2 citation statements)

References 23 publications

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“…Equation ( 1) is deduced from the classic swing equation [26]. Note that in some VSG implementations [27,28], damping and droop are not the same. In this case, the PLL needs to be added, which is more cumbersome.…”

Section: Grid−forming Ibr With Ffsmentioning

confidence: 99%

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

Liu,

Mo,

Lai

et al. 2024

Sustainability

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Modern power systems include synchronous generators (SGs) and inverter-based resources (IBRs) that provide fast frequency support (FFS) to the system. To evaluate the FFS ability of both SGs and IBRs under a unified framework, this paper proposes a method that evaluates the FFS ability of each generation unit via its dynamic trajectories of the active power output and the frequency following a contingency. The proposed method quantified FFS ability via two indexes, namely, the equivalent inertia constant and the equivalent droop, of each generation unit. The Tikhonov regularization algorithm is employed to estimate the FFS ability indexes. The New England 10-machine system serves to validate the feasibility and accuracy of the proposed method and illustrate the different FFS ability of the grid−forming and grid−following IBRs.

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Section: Grid−forming Ibr With Ffsmentioning

confidence: 99%

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

Liu,

Mo,

Lai

et al. 2024

Sustainability

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show abstract

“…In [2], diesel technologies have been investigated as an accurate solution for renewable energy penetration focusing on engine time delay and generator inertia constant which is considered in the design of an isolated hybrid power system. In [3], an MG system is modeled to analyze interactions in which a gridfed voltage converter and a grid-forming system are investigated in their constituent structure.…”

Section: Introductionmentioning

confidence: 99%

Improvement of power grid stability and load distribution using diesel excitation controller

Ganji

Mahdavian²

2022

J. Mechatron. Electr. Power Veh. Technol.

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One of the requirements for controlling hybrid power systems is designing an appropriate excitation system, flexibility, protection, and coordination of all components to improve system stability. In this paper, various types of equipment simulated in the linear form and non-linear models are connected to the power supply. In the same direction, while presenting a new controller for the diesel generator excitation system and a filter used to purify and attenuate current harmonics is reported on the stability of a grid-independent system. Finally, the variation of the mode for the voltage and power of the system has been confirmed at the time of error and complete system stability. Also, the important indicators in the analysis are obtained in the lowest values, which can be seen from the controlled harmonics of the system of this data. In addition, the variation of the mode for the voltage and power of the system has been confirmed and the important indicators in the analysis are obtained in the lowest values.

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Coordination of distributed resources for frequency support provision in microgrids

Morán-Río,

Anta,

Roldán-Pérez

et al. 2024

International Journal of Electrical Power & Energy Systems

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Influence of the Phase-Locked Loop on the Design of Microgrids Formed by Diesel Generators and Grid-Forming Converters

Cited by 12 publications

References 23 publications

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

Evaluating the Fast Frequency Support Ability of the Generation Units in Modern Power Systems

Improvement of power grid stability and load distribution using diesel excitation controller

Coordination of distributed resources for frequency support provision in microgrids

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