State-Space Modeling of Wind Turbine Generators for Power System Studies

Ugalde‐Loo, Carlos E.; Ekanayake, Janaka; Jenkins, Nick

doi:10.1109/tia.2012.2228836

Cited by 69 publications

(77 citation statements)

References 14 publications

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“…Some studies have been made on the small-signal modeling of grid-connected VSC [15]- [20]. These models are used to analyze the control loops dynamics and stability of VSC.…”

Section: Nomenclaturementioning

confidence: 99%

“…In [17], an eighth order VSC"s small-signal model attached to weak grid is developed to study the effects of PLL and the AC filter behavior on system stability in weak grid. State-space equations to represent small-signal model of VSC in wind turbine are presented in [18]- [20]. However, these models introduced above cannot reflect the interactions among VSC control loops in DC-link voltage control system.…”

Section: Nomenclaturementioning

confidence: 99%

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Modeling of VSC Connected to Weak Grid for Stability Analysis of DC-Link Voltage Control

Huang

Yuan

et al. 2015

IEEE J. Emerg. Sel. Topics Power Electron.

288

126

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“…Some studies have been made on the small-signal modeling of grid-connected VSC [15]- [20]. These models are used to analyze the control loops dynamics and stability of VSC.…”

Section: Nomenclaturementioning

confidence: 99%

Section: Nomenclaturementioning

confidence: 99%

Modeling of VSC Connected to Weak Grid for Stability Analysis of DC-Link Voltage Control

Huang

Yuan

et al. 2015

IEEE J. Emerg. Sel. Topics Power Electron.

288

126

View full text Add to dashboard Cite

show abstract

“…Where ρ is the density of air in Kg/m 3 , V ω is the wind velocity in m/s, R is the length of the blade in meter and C p [4] is the coefficient of power for wind turbine which is a function of the tip-speed ratio λ.…”

Section: Modeling Of Dfig Based Wind Energy Conversion Systemmentioning

confidence: 99%

Fast adaptive finite-time terminal sliding mode power control for the rotor side converter of the DFIG based wind energy conversion system

Patnaik

Dash

2015

Sustainable Energy, Grids and Networks

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“…During super synchronous operation condition, the power is fed to the grid from rotor of DFIG is known as slip power recovery. During the operation when power is fed from grid to rotor of DFIG, a high-voltage stress continues across the switches of PEC (Ugalde-Loo et al 2013;Blaabjerg et al 2012;Garcés and Molinas 2012;Ashfaq and Tripathi 2012;Soufi et al 2013). Hence high dc voltage exists; this is also a factor responsible for the CMV.…”

Section: Analysis and Review Of Matrix Converter Performancementioning

confidence: 99%

Mitigation of operational losses in matrix converter fed DFIG for WECS

Ashfaq

Tripathi

2015

Renewables

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With the change in the wind profile, the speed of doubly fed induction generator (DFIG) of wind energy conversion system (WECS) changes from super synchronous to sub synchronous range and vice versa. DFIG is operated to generate quality power; hence, power at rotor side is controlled using matrix converter taking power from grid and feeding back power to the grid depending on the wind profile. Input voltage required to be fed to the rotor side of DFIG is always changing and depends on the speed of the available wind. During the operation when power is fed from grid to rotor of DFIG, a high-voltage stress continues across the switches of power electronic converter (PEC). In existing topologies of the matrix converter used with the DFIG in WECS, the constant voltage stress at the power electronic switch (PES) is available which causes the higher losses across the switch. This also causes common mode voltage (CMV) which leads to the over voltage stress. This may cause winding insulation damage and bearing failure of the DFIG. Furthermore, higher dv/dt of CMV raises the leakage current which causes the thermal stress and electromagnetic noise to the equipments installed near the matrix converter. In this paper, the work done is focused on the mitigation of operational losses in matrix converter fed doubly fed induction generator for wind energy conversion system. The overall loss in the matrix converter and mitigation of common mode voltage is achieved, which improves the overall efficiency and the performance of the wind energy conversion system.

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State-Space Modeling of Wind Turbine Generators for Power System Studies

Cited by 69 publications

References 14 publications

Modeling of VSC Connected to Weak Grid for Stability Analysis of DC-Link Voltage Control

Modeling of VSC Connected to Weak Grid for Stability Analysis of DC-Link Voltage Control

Fast adaptive finite-time terminal sliding mode power control for the rotor side converter of the DFIG based wind energy conversion system

Mitigation of operational losses in matrix converter fed DFIG for WECS

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