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Commutation failure (CF) is a serious malfunction in HVDC systems. Fast detection and identification is important to avoid HVDC system block or even further deterioration of the whole system. This paper proposes a novel approach of CF recognition using wavelet transform and Shannon entropy technique. Only phase A voltage signal at inverter is used as the input of the new method. AC voltage is decomposed...
As the market is changing more rapidly, a corporation is required to speed up the rollout of new products within the shortest time to capture market shares. In order to meet the demand for diverse and small quantity production, a corporation needs to spend much effort on selecting the appropriate vendor for cutting product design time as well as enhancing the production capability and cost competitiveness...
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