In practice, the condition state of Power Transformers (PT) is quantified by using Health Index (HI). This paperanalyzes and compares three different state-of-the-art algorithms to compute HI. The first one uses a Weighted SumModel (WSM), second based on Fuzzy Inference System (FIS), third combines both techniques, i.e.,WSM FIS. These approaches are tested in PT fleet composed 30 units. Results...

almost half of agricultural lands in iran are saline and it is one of the most important constraints in cultivated lands. wheat is the most important crop in saline lands in rotation of golestan province. since saline soils amelioration is so expensive, achievement of genotypes with tolerant and high yield potential is essential. 22 genotypes of selective wheat of recent experiments with three ...

As a critical indicator for assessing the survivability and condition of transformers in fleet, transformer health index has attracted attention from both asset owners international organizations like CIGRE IEEE DEIS/PES. To provide systematic comprehensive review further study or to guide management, this paper summarizes state-of-the-art index, early proposed weighted-score-sum approaches mor...

the aim of current study was to determine the effects of vitamin c on bone mineral density (in terms of osteoporosis), eggshell quality and investigation of correlation between these factors in laying hens reared under normal condition. one hundred and ninety two 24 - weeks - old laying hens diet was supplemented with 4 levels of vitamin c (0, 250, 500 and 750 mg/kg diet). the experimental desi...