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Comparison of Primary Frequency Support Methods for Wind Turbines

Bardia Motamed (Institutionen för energi och miljö, Elteknik) ; Peiyuan Chen (Institutionen för energi och miljö, Elteknik) ; Mattias Persson (Institutionen för energi och miljö, Elteknik)
IEEE POWERTECH 2013 p. Art. no. 6652357. (2013)
[Konferensbidrag, refereegranskat]

This paper investigates and compares different methods of primary frequency control for wind power. The paper also identifies the models of hydro turbines and pitch regulated wind turbines. Short-term extra active power, inertia emulation and direct pitch angle regulation as a primary frequency control are evaluated when there is a power imbalance. In addition, the combinations of these three methods are evaluated. Simulation results show that the combination of temporary extra active power and inertia emulation method has the highest value of temporary minimum frequency. Although it is slower than other proposed methods and has second frequency drop. The advantage of using direct pitch angle regulation separately or in combining with the two other methods is that, the rotor speed does not decrease below the value that it has before the power imbalance happens.

Nyckelord: Hydro turbine, inertia emulation, pitch controller, primary frequency control, wind turbine modeling.



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Denna post skapades 2013-06-25. Senast ändrad 2016-03-08.
CPL Pubid: 179187

 

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Institutioner (Chalmers)

Institutionen för energi och miljö, Elteknik

Ämnesområden

Energi
Elkraftteknik

Chalmers infrastruktur