نتایج جستجو برای: power quality parameters
تعداد نتایج: 1703331 فیلتر نتایج به سال:
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The modern industrial facility depends on sensitive electronic equipment that can be shut down suddenly by severe power system disturbances. A large number of these disturbances on the power system are a result of line faults which can cause momentary voltage sags. This results in equipment malfunctioning and high cleanup cost. This papers describes some of the emerging opportunities for new se...
Identification of critical process parameters that impact product quality is a central task during regulatory requested process validation. Commonly, this is done via design of experiments and identification of parameters significantly impacting product quality (rejection of the null hypothesis that the effect equals 0). However, parameters which show a large uncertainty and might result in an ...
In this paper, the main Power Quality (PQ) problems are presented with their associated causes and consequences. The economic impacts associated with PQ are characterized. Finally, some solutions to mitigate the PQ problems are presented.
This paper describes two hardware prototypes and estimation schemes for determining the parameters of a simple, physically based, point-of-use electric utility model using transient measurements. Parameters of the utility model are estimated using data collected by the prototypes. Frequency-dependent effects observed in previous work in this area are modeled. Performance of the techniques given...
banana samples were purchased from a local market in sabzevar located at northeast of iran. then samples stored at refrigerator between 5–10oc during experiments, for prevention of chilling injury, 36 samples at three replications were prepared so as bananas were peeled and sliced with a sharp knife at three thicknesses (3, 5 and 10 mm) and then treated by three pretreatment methods (t1: chemic...
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