نتایج جستجو برای: various type of faults
تعداد نتایج: 21264840 فیلتر نتایج به سال:
microgrid presents an efficient and novel solution for integrating many new energy generating resources with traditional distribution networks. having an appropriate protective scheme is a fundamental challenge in achieving microgrid plans. it is proven that traditional protective plans are not efficient for protecting microgrid, since the network is dynamic and the level of fault current chang...
the study area is located south of ghonabad in eastern iran. this area is situated between two major faults, darouneh to the north and dashtbyaz to the south. the movements of these faults cased major dislocation of this block. najmabad granodiorite to granite batholith is elongated trending east-west 2×8 km2. mineralization is associated with granite and monzonite. alteration zones are: propyl...
In transformer fault diagnosis, dissolved gas analysis (DGA) is been widely employed for a long period and numerous methods have been innovated to interpret its results. Still in some cases it fails to identify the corresponding faults. Due to the limitation of training data and non-linearity, the estimation of key-gas ratio in the transformer oil becomes more complicated. This paper presents I...
Studying of the ferromagnesian rocks, including metaperidotite and metabasite, as well as the calcium-bearing ones such as calc-silicate in the different parts of the Deh-Salm metamorphic complex (DMC) in the east of the Lut block caused a widespread recognition of various paragenesises of amphiboles. Focused EPMA studies represent amphiboles with the different compositions and PT conditions. T...
for several years, researchers in familiarity of efl teachers with post-method and its role in second and foreign language learners’ productions have pointed out that the opportunity to plan for a task generally develops language learners’ development (ellis, 2005). it is important to mention that the critical varies in language teaching was shown is the disappearances of the concept of method ...
Bearing faults represent the most frequent mechanical faults in rotational machines. They are characterized by repetitive impacts between the rolling elements and the damaged surface. The time intervals between two impacts are directly related with the type and location of the surface fault. These time intervals can be elegantly analyzed within the framework of renewal point processes. With suc...
there is less published research about how teachers in efl contexts respond to students who are relatively less mature and less competent l2 writers. while writing researchers have examined various issues concerning peer and teacher response in writing-oriented classes, little research has centered on the effect of collaborative tasks particularly dictogloss on writing skills. output collaborat...
Models of type 1 diabetes with accurate prediction capabilities can help to achieve improved glycemic control in diabetic patients when used in a monitoring or model predictive control framework. In this research, empirical models are identified from a simulated physiological model. ARX and Box–Jenkins models of various orders are investigated and evaluated for their description of calibration ...
This paper provides the results of experimental evaluation of effectiveness of pair-wise testing. We consider a non-traditional area of pair-wise testing application, namely using pair-wise approach for testing logical expressions. A tool has been developed for experimental numerical investigation. This tool generates faults of various specific types and applies the previously derived test sets...
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