Back-to-Back Power Electronic Converter Control for Active Damping | Active Damping Criterion for the Control of Back-to-Back Power Electronic Converter for DFIG Variable Speed Wind Turbine

Cajethan Nwosu

ISBN 10: 3659138045 / ISBN 13: 9783659138041

Editore: LAP Lambert Academic Publishing, 2012

Back-to-Back Power Electronic Converter Control for Active Damping | Active Damping Criterion for the Control of Back-to-Back Power Electronic Converter for DFIG Variable Speed Wind Turbine | Cajethan Nwosu | Taschenbuch | Englisch | LAP Lambert Academic Publishing | EAN 9783659138041 | Verantwortliche Person für die EU: LAP Lambert Academic Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu. Codice articolo 106433250

Riassunto:

One of the most important aspects for large scale integration of wind power systems is the fault ride through (FRT) capability during voltage sags. What this means is that wind turbines should be continuously on-line and supply the grid during voltage sags. Large voltage sags induce high voltages in the rotor circuit of the DFIG and thus the rotor current rises and could exceed the current capability of the converter switches. In the instant of such faults, there is usually a power imbalance between the generator and the grid that usually cause the DC-link voltage rise because of the excess power generated that can not be transferred to the grid. Against the use of crowbar to block the converter and then to disconnect the generator from the grid or by reducing the power generated or maximizing the power supplied to the grid, an active damping criterion in the control of the BtB converter is proposed in this book. The phenomenal increase in these quantities together with other disturbances are by this process rejected and/ or damped thereby making the grid less sensitive to harmonics and oscillations. By this, the wind turbine stays on-line and continues to supply the grid.

L'autore: Cajethan Maduabuchi Nwosu obtained his B.Eng. and M.Eng. degrees in Electrical Engineering from the University of Nigeria, Nsukka in 1994 and 2004 respectively. He is presently working toward the Ph.D degree in Electrical Engineering. He is currently a Senior Lecturer in the Department of Electrical Engineering, University of Nigeria, Nsukka.

Dati bibliografici

Titolo: Back-to-Back Power Electronic Converter ...
Casa editrice: LAP Lambert Academic Publishing
Data di pubblicazione: 2012
Legatura: Taschenbuch
Condizione: Neu