Proper Excitation Ratio for Improved Performance Doubly Fed Induction Generator in Wind Applications

Elsonbaty, Nadia A.; Enany, Mohamed A.; Mostafa, Mohamed

doi:10.2316/journal.203.2018.4.203-0054

Cited by 1 publication

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“…It is also predicted that by 2020–2030, nearly 20% of the energy required by the world will be supplied by wind power (Flavin, 2008). Many of the generators that have been investigated and have practical applications in wind power generation are double-fed induction generators (Ayrir and Haddi, 2019; Elsonbaty and Holmes, 1982, 1983a, 1983b; Elsonbaty et al, 1993, 2015, 2015a, 2015b, 2016, 2017, 2018a, 2018b; Holmes and Elsonbaty, 1984; Zhou et al, 2015). The results of this research show good performance, reliability, and depending on the control strategy, a good dynamic response for this type of machines.…”

Section: Introductionmentioning

confidence: 99%

Concurrent unity power factor and constant mutual flux control for PMSG-WT MPPT

2020

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In this paper, a new concurrent unity power factor and constant stator flux linkage (UPF-CFL) control is presented. The main goal of this technique is to introduce the Permanent Magnet Synchronous Generator (PMSG) as an optimal wind energy transducer. The handled generator load angle and back EMF control achieve the optimum requirements for wind applications namely Maximum Power Point Tracking (MPPT). To do this, both UPF and CFL are integrated into one control methodology to obtain the advantages of each one. While the first well utilizes the apparent power increasing the generator side converter capability, the second protects the generator against magnetic saturation to enable higher speed operation. Mathematical model based on constant current fed equivalent circuit is presented taking the constraints of each individual control algorithm into account. The concurrent performance characteristics are presented and compared with each of concurrent separated algorithm characteristics for assessments. The control technique is implemented and finally, simulation testing is provided for evaluation.

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