Virtual synchronous machines (VSG'S) for frequency stabilisation in future grids with a significant share of decentralized generation

Visscher, K.; Haan, S.W.H. de

doi:10.1049/ic:20080487

Cited by 135 publications

(100 citation statements)

References 6 publications

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“…Indeed, the first proposals of VSM-based control included modelling of the dynamic electrical equations of the SM [1], [3]- [5], [7]- [14]. However, implementations based on a quasi-stationary representation of the SM stator windings have recently been proposed in [22], [23].…”

mentioning

confidence: 99%

Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models

D’Arco

Suul

2017

IEEE Trans. Ind. Electron.

207

177

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Abstract-This paper presents a comparison of the small-signal stability properties for Virtual Synchronous Machines (VSMs) with dynamic and quasi-stationary representation of the internal Synchronous Machine (SM) model. It is shown that the dynamic electrical equations may introduce poorly damped oscillations when realistic stator impedance values for high power SMs are used. The quasi-stationary implementation is less sensitive to the impedance of the virtual machine model, but depends on filtering of the measured d-and q-axis components of the ac-side voltage to avoid instability or poorly damped oscillations. It is demonstrated how both implementations can be made stable and robust for a wide range of grid impedances. However, the dynamic electrical model depends on a high virtual resistance for effectively damping internal oscillations associated with dccomponents in the ac currents during transients. Thus, when using SM parameters with low virtual stator resistance for decoupling the active and reactive power control, the quasi-stationary VSM implementation is preferable.

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mentioning

confidence: 99%

Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models

D’Arco

Suul

2017

IEEE Trans. Ind. Electron.

207

177

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“…VSG technology is put forward by the university of Leuven firstly [11]. Professor Qingchang Zhong perfected the VSG model, in addition to have frequency and voltage regulating function, but also reflect the electromagnetic transient process of synchronous generator [4].…”

Section: Basic Principle Of the Vsgmentioning

confidence: 99%

A Novel Control Strategy for Large-Capacity Energy Storage Systems Based on Virtual Synchronous Generator

Wu¹,

Yang²,

Rui³

et al. 2017

Proceedings of the 2017 5th International Conference on Mechatronics, Materials, Chemistry and Computer Engineering (ICMMCCE 20

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Abstract. Large-capacity energy storage systems can meet the demands of micro-grid and the smart grid. But the traditional control method is difficult to realize plug and play and seamless switching between different operation modes, it has limited the roles of large-capacity energy storage system. Virtual synchronous generator (VSG) has became a hot topic in recent years because of its synchronous generator external characteristics, such as inertia, frequency voltage regulation and automatic phase lock. A novel control strategy based on VSG is proposed for large-capacity energy storage systems. Firstly, the topological structure characteristics of large-capacity energy storage systems and the basic principle of the novel control strategy based on VSG are introduced, then setting method of the control strategy parameters is given. Finally, the proposed control strategy is verified by simulation and experiment. The results of simulation and experiment show that large-capacity energy storage systems based on this novel control strategy can automatically adjust the active power output according to the grid frequency changes and realize seamless switching between connected-grid and off-grid mode.

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“…From Fig3, the deviation of angular can be calculated as (4). Adjusting the angular by 2  , the correct angular can be achieved. …”

Section: Frequency Controlmentioning

confidence: 99%

“…The grid frequency with low inertia will change rapidly for abrupt variations in generation or load. In this case, additional frequency response ancillary services should be provided to ensure system stability [2].…”

Section: Introductionmentioning

confidence: 99%

Grid-Connected Inverter Based on Virtual Synchronous Generator Emulation in Wind Application

Ji¹,

Li²,

Luo³

et al. 2017

dteees

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Virtual synchronous machines (VSG'S) for frequency stabilisation in future grids with a significant share of decentralized generation

Abstract: This paper describes the project and some preliminary results.

Cited by 135 publications

References 6 publications

Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models

Evaluation of Virtual Synchronous Machines With Dynamic or Quasi-Stationary Machine Models

A Novel Control Strategy for Large-Capacity Energy Storage Systems Based on Virtual Synchronous Generator

Grid-Connected Inverter Based on Virtual Synchronous Generator Emulation in Wind Application

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