Discrete-time integral terminal sliding mode based maximum power point controller for the PMSG-based wind energy system
Küçük Resim Yok
Tarih
2019
Yazarlar
Dergi Başlığı
Dergi ISSN
Cilt Başlığı
Yayıncı
Inst Engineering Technology-Iet
Erişim Hakkı
info:eu-repo/semantics/openAccess
Özet
This study proposes a discrete-time integral terminal sliding mode controller (DITSMC) integrated with a sensorless maximum power point tracking (MPPT) method for a permanent magnet synchronous generator (PMSG)-based wind energy conversion system (WECS). The effects of the parameters of the proposed DITSMC on the convergence-time and the error-bound are investigated by the simulation studies. The dynamic performance of the DITSMC has been evaluated experimentally on a test bench for step-type wind changes. The optimum coefficient between the output voltage of the generator and the extracted power from the WECS is determined only for a wind speed by offline studies. Then, the MPPT can be provided using this coefficient for all wind speeds in the operating range of the WECS without any mechanical sensor. Additionally, the experimental studies show that DITSMC has better performance than the PI controller in terms of the settling time and thus the efficiency of the WECS.
Açıklama
Anahtar Kelimeler
discrete time systems, synchronous generators, variable structure systems, maximum power point trackers, permanent magnet generators, wind power plants, machine control, maximum power point controller, discrete-time integral terminal sliding mode controller, DITSMC, WECS, step-type wind changes, wind speed, wind energy system, sensorless maximum power point tracking, MPPT method, PMSG, permanent magnet synchronous generator, PI controller
Kaynak
Iet Power Electronics
WoS Q Değeri
Q2
Scopus Q Değeri
Q1
Cilt
12
Sayı
14
