Wind Inertial Response Based on the Center of Inertia Frequency of a Control Area

Alija Mujcinagic, Mirza Kusljugic and Emir Nukic
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Alija Mujcinagic: State Electricity Regulatory Commission, 75000 Tuzla, Bosnia and Herzegovina
Mirza Kusljugic: Faculty of Electrical Engineering, University of Tuzla, 75000 Tuzla, Bosnia and Herzegovina
Emir Nukic: Faculty of Electrical Engineering, University of Tuzla, 75000 Tuzla, Bosnia and Herzegovina

Energies, 2020, vol. 13, issue 23, 1-17

Abstract: As a result of the increased integration of power converter-connected variable speed wind generators (VSWG), which do not provide rotational inertia, concerns about the frequency stability of interconnected power systems permanently arise. If the inertia of a power system is insufficient, wind power plants’ participation in the inertial response should be required. A trendy solution for the frequency stability improvement in low inertia systems is based on utilizing so-called “synthetic” or “virtual” inertia from modern VSWG. This paper presents a control scheme for the virtual inertia response of wind power plants based on the center of inertia (COI) frequency of a control area. The PSS/E user written wind inertial controller based on COI frequency is developed using FORTRAN. The efficiency of the controller is tested and applied to the real interconnected power system of Southeast Europe. The performed simulations show certain conceptual advantages of the proposed controller in comparison to traditional schemes that use the local frequency to trigger the wind inertial response. The frequency response metrics, COI frequency calculation and graphical plots are obtained using Python.

Keywords: inertial response; low inertia; the center of inertia; frequency response metrics; wind integration; PSS/E; FORTRAN (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2020
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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