2018
DOI: 10.1016/j.microrel.2018.04.006
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Strategy for enhancing reliability and lifetime of DC-AC inverters used for wind turbines

Abstract: Lifetime of wind turbine inverters is below expectations therefore, novel design and drive strategies are timely required to achieve optimum life span. In this work, a novel driving strategy to mitigate stresses on inverters is proposed. First, an electro thermal analysis was carried out using finite element modelling methods. Subsequently, the outcomes of the models were validated using DC/AC IGBT based power inverter module interfaced to 1.1kW electrical outputs of a horizontal wind turbine operated under di… Show more

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Cited by 5 publications
(4 citation statements)
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“…Further instantaneous temperature was predicted by dSPACE model and thermal imaging captures were taken in 20 seconds of intervals. Further details of dSPACE model is presented in reference [21]. Fig.…”
Section: B Electro Thermal Modelling Methodsmentioning
confidence: 99%
See 2 more Smart Citations
“…Further instantaneous temperature was predicted by dSPACE model and thermal imaging captures were taken in 20 seconds of intervals. Further details of dSPACE model is presented in reference [21]. Fig.…”
Section: B Electro Thermal Modelling Methodsmentioning
confidence: 99%
“…In this study, a driving strategy was applied through electro thermal analysis by finite element modelling that was not found in existing research. In order to reduce the power losses in conventional SPWM, an adaptable frequency-based method is proposed in [21]. The methodology of reliability assessment of IGBT based inverter is presented in Fig.…”
Section: Case Study 1: Physics Based Prognostics Of Igbtmentioning
confidence: 99%
See 1 more Smart Citation
“…It is direct DC power supply. It needs a DC/AC inverter [35][36][37] to integrate into the traditional AC distribution network.…”
Section: Renewable Energy and Distributed Generationmentioning
confidence: 99%