Impact of Virtual Synchronous Machines on Low-Frequency Oscillations in Power Systems

被引：36

作者：

Baruwa, Muftau ^{[1
]}

Fazeli, Meghdad ^{[1
]}

机构：

[1] Swansea Univ, Coll Engn, Energy Safety Res Inst, Swansea SA1 8EN, W Glam, Wales

来源：

IEEE TRANSACTIONS ON POWER SYSTEMS | 2021年 / 36卷 / 03期

关键词：

Power system stability; Damping; Oscillators; Stability analysis; Power system dynamics; Phase locked loops; Heuristic algorithms; Low-frequency oscillation; power system stabilizer; renewable energy sources; synchronous generator; virtual synchronous machine; SIGNAL ANGULAR STABILITY; DFIG WIND TURBINE; INERTIA CONTROL; INCREASED PENETRATION; GENERATOR; AREA; STABILIZATION; INVERTERS; DESIGN; MODES;

D O I：

10.1109/TPWRS.2020.3029111

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The low-frequency oscillations (LFOs) inherent in power systems will be impacted by the increasing penetration of renewable energy sources (RESs). This paper investigates the impact of virtual synchronous machine (VSM) based RESs on the LFOs in power systems. A detailed two-machine test-bed has been developed to analyze the LFOs which exists when VSMs replace synchronous generators. The characteristics of the LFO modes, and the dominant states have been comprehensively analyzed. Furthermore, this study analyzes the LFO modes which exists in an all-VSM grid. The role of the power system stabilizers in the all-VSM grid has been comprehensively evaluated. The IEEE benchmark two-area four-machine system has been employed to corroborate the results of the small-signal analysis, and observe the transient performance. The analysis in this paper have been performed in MATLAB/SIMULINK environment.

引用

页码：1934 / 1946

页数：13

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