Power System Stabilization Using Virtual Synchronous Generator With Alternating Moment of Inertia

Alipoor, Jaber; Miura, Yushi; Ise, Toshifumi

doi:10.1109/jestpe.2014.2362530

Cited by 741 publications

(479 citation statements)

References 14 publications

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“…Using the stage division criterion developed by Alipoor et al [16], we reevaluate the mechanism providing transient stability improvement in an SMIB system. As illustrated in Figure 1b, Alipoor et al divided each swing cycle of the SMIB system shown in Figure 1a into four stages.…”

Section: Analysis Of the Mechanism For Transient Stability Improvemenmentioning

confidence: 99%

“…X X 1 + X 2 (16) and the system topology in terms of wind farm location and synchronous-generator (inertia-) distribution are respectively quantified as…”

Section: Quantification Of the Dependenciesmentioning

confidence: 99%

“…The impact of this large-scale integration of wind turbines on power system stability in such systems has been widely studied in terms of transient stability [2][3][4][5], small signal stability [6,7], and frequency stability [8]. Based on these studies, many optimizations or re-designs of wind turbine controllers have been proposed to improve different aspects of power system stability [9][10][11][12][13][14][15][16].…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Optimization of Active Current for Large-Scale Wind Turbines Integrated into Weak Grids for Power System Transient Stability Improvement

Zhang

Yuan

2017

Energies

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Abstract:Power system transient stability is a challenge when integrating large-scale wind turbines into weak grids. This paper addresses the issue of transient stability in such situations by optimizing a wind turbine's active current behavior. A wind turbine's active current reference controller and its setting optimization method are proposed based on analyses of two associated problems: the mechanism for improving transient stability of a single (synchronous) machine infinite bus (SMIB) system, as well as the various physical factor dependencies dictating how active and reactive wind turbine currents affect the swing dynamics of synchronous machines. Analysis of the first problem guided the design of the controller's main structure. Analysis of the second problem guided selection of the control object within a wind turbine's active and reactive currents, as well as helped recognition of the influential physical factors that must be considered in the parameter setting process. The efficiency of the controller and the validity of the analyses were verified by case studies using Kundur's two-area system.

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Section: Analysis Of the Mechanism For Transient Stability Improvemenmentioning

confidence: 99%

“…X X 1 + X 2 (16) and the system topology in terms of wind farm location and synchronous-generator (inertia-) distribution are respectively quantified as…”

Section: Quantification Of the Dependenciesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Optimization of Active Current for Large-Scale Wind Turbines Integrated into Weak Grids for Power System Transient Stability Improvement

Zhang

Yuan

2017

Energies

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“…Virtual synchronous control is developed to emulate SGs to embed inertial response in grid-connected voltage source converters (VSCs) [30]- [45] as virtual synchronous generators/machines recently, which has been discussed and studied in energy storage [31], Statcom [32], VSC-HVDC [33]- [36], distributed generation [37]- [39], micro grid [40] used to produce the required voltage, which can feature inertial response in VSCs [43]. In addition, a linear power-damping and synchronizing controller is used to emulate SG's dynamic performance in VSCs by Mohamed et al [44]- [45].…”

Section: Virtual Synchronous Controlmentioning

confidence: 99%

Enabling Inertial Response of Variable-Speed Wind Turbines: A Survey and New Perspectives

Shang

2016

Preprint

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Abstract:With the rapid development of wind power generations, the inertial response of wind turbines (WTs) are widely concerned recently, which is important for grid frequency dynamic and stability. This paper recognizes and understands the inertial response of type-3 and type-4 WTs from the view of equivalent internal voltage, in analogy with typical synchronous generators (SGs). Due to the dynamic of the equivalent inertial voltage different from SGs, the electromechanical inertia of WTs is completely hidden. The rapid power control loop and synchronization control loop is the main reasons that the WT's inertial response is disenabled. On the basis of the equivalent internal voltage's dynamic, the existing inertia control method for WTs are reviewed and summarized as three approaches from the view of WT's control, i.e. optimizing the power control or synchronization control or both. At last, the main challenges and issues of these inertia controls are attempted to explain and address.

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“…In [3][4][5][6], power sharing of paralleled inverters in the steady state is realized by utilize the P-f and Q-U droop controllers. To improve the dynamic synchronism of frequency, virtual inertia and damping factor are emulated based on derivative of the detected grid frequency in [7][8][9]. Furthermore, considering the intrinsic regulation capacity of the frequency and voltage, and the self-synchronization features of a conventional synchronous generator, elaborated model of three-phase virtual synchronous generator (VSG) is established in [10,11], and such grid interface is widely recognized in three-phase system.…”

Section: Introductionmentioning

confidence: 99%

Instantaneous power calculation based on intrinsic frequency of single-phase virtual synchronous generator

Zhao

Chai

Wang

et al. 2017

J. Mod. Power Syst. Clean Energy

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In order to enhance the stability of single-phase microgrid, virtual synchronous generator (VSG) control method is investigated in this paper. Its electromagnetic model and electromechanical model are established to illustrate the performance of VSG. Considering the 2nd fluctuation of fundamental-frequency in the output power, an instantaneous power calculation strategy is proposed based on the intrinsic frequency of single-phase VSG. Besides, a virtual power calculation method is presented to achieve islanded/grid-connected seamless transition. Stability analysis and comparison simulation results demonstrate the correctness of the presented power calculation method. At last, the effectiveness of the proposed approach is verified by comparison experiments of islanded/gridconnected operations in a 500 VA single-phase inverter.

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Power System Stabilization Using Virtual Synchronous Generator With Alternating Moment of Inertia

Cited by 741 publications

References 14 publications

Optimization of Active Current for Large-Scale Wind Turbines Integrated into Weak Grids for Power System Transient Stability Improvement

Optimization of Active Current for Large-Scale Wind Turbines Integrated into Weak Grids for Power System Transient Stability Improvement

Enabling Inertial Response of Variable-Speed Wind Turbines: A Survey and New Perspectives

Instantaneous power calculation based on intrinsic frequency of single-phase virtual synchronous generator

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