scholarly journals Phasor model of full scale converter wind turbine for small-signal stability analysis

2017 ◽  
Vol 2017 (13) ◽  
pp. 978-983 ◽  
Author(s):  
Radu Gihga ◽  
Qiuwei Wu ◽  
Arne Hejde Nielsen
Keyword(s):  
Stability Analysis ◽  
Wind Turbine ◽  
Full Scale ◽  
Small Signal ◽  
Small Signal Stability ◽  
Signal Stability ◽  
Small Signal Stability Analysis

scholarly journals Power Angle Small-Signal Stability Analysis of Grid-Forming Wind Turbine Inverter Based on VSM Control

2019 ◽  
Author(s):  
Liang Lu ◽  
Ömer Göksu ◽  
Nicolaos Antonio Cutululis
Keyword(s):  
Stability Analysis ◽  
Wind Turbine ◽  
Block Diagram ◽  
Space Representation ◽  
Small Signal ◽  
Small Signal Stability ◽  
Signal Stability ◽  
Control Scheme ◽  
Virtual Synchronous Machine ◽  
Small Signal Stability Analysis

This paper introduces a virtual synchronous machine (VSM) control scheme which is based on a minimized emulation of the model of a synchronous generator (SG) for a grid-forming wind turbine (WT) inverter. Based on this VSM control scheme, state-space representation and block diagram of the small-signal model for the VSM-controlled grid-forming inverter connected to an infinite bus are derived, which are used for small-signal stability analysis of the power angle in the VSM control scheme. This power angle small-signal stability (PAS) analysis is proposed as a simpler way for analyzing the influence on the rotor angle stability of power system from large share of VSM-controlled grid-forming inverters. Influence of parameters in the power loop of the control scheme on the PAS is investigated by analyzing the eigenvalue trajectories of the state matrix.

scholarly journals Power Angle Small-Signal Stability Analysis of Grid-Forming Wind Turbine Inverter Based on VSM Control

2019 ◽  
Author(s):  
Liang Lu ◽  
Ömer Göksu ◽  
Nicolaos Antonio Cutululis
Keyword(s):  
Stability Analysis ◽  
Wind Turbine ◽  
Block Diagram ◽  
Space Representation ◽  
Small Signal ◽  
Small Signal Stability ◽  
Signal Stability ◽  
Control Scheme ◽  
Virtual Synchronous Machine ◽  
Small Signal Stability Analysis

This paper introduces a virtual synchronous machine (VSM) control scheme which is based on a minimized emulation of the model of a synchronous generator (SG) for a grid-forming wind turbine (WT) inverter. Based on this VSM control scheme, state-space representation and block diagram of the small-signal model for the VSM-controlled grid-forming inverter connected to an infinite bus are derived, which are used for small-signal stability analysis of the power angle in the VSM control scheme. This power angle small-signal stability (PAS) analysis is proposed as a simpler way for analyzing the influence on the rotor angle stability of power system from large share of VSM-controlled grid-forming inverters. Influence of parameters in the power loop of the control scheme on the PAS is investigated by analyzing the eigenvalue trajectories of the state matrix.

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