نتایج جستجو برای: short circuit capacity
تعداد نتایج: 803502 فیلتر نتایج به سال:
The present study investigated the acute and short-term effects of oral feeding of jujube solution on blood platelets and its morphological indices in response to circuit resistance exercise. Fourteen young male volunteer students were randomly divided into the placebo and jujube solution groups. All participants performed one circuit resistance exercise[9stations/nonstop, 30 seconds for each s...
Like the widely-used semiconductor switch, Insulated Gate Bipolar Transistors (IGBTs) are subject to many failures and degradation in power electronic converters. In Short Circuit Fault (SCF), as most reported IGBTs, drastic, sudden temperature rise, peak SCF current widespread owing a relatively long delay of protection subsystem. This paper proposes strategy limit junction rise by limiting ad...
Abstract A gas relay is an important non-electric protection device for transformers. Under the action of vibration caused by sudden short circuit impact, misoperation leads to transformer tripping accidents frequently. In order explore relationship between intensity and anti-vibration performance during a circuit, capacity test were carried out. The analysis data shows that process will cause ...
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cuins2 nanostructures were synthesized via a simple surfactant-free solvothermal route. in this synthesis, thiosemicarbazide and thioglycolic acid were used as sulfur sources. the effects of different parameters such as type of precursor and time on the morphology and particle size of the samples have been investigated. the nanostructures were characterized by means of ...
Turn to turn fault is one of the major internal failures in the power transformers that if it is not quickly detected, can be extended and led to a complete transformer breakdown. So, the diagnosis and location of the turn to turn fault of the power transformer, as one of the most important equipment in the power system, is the main objective of this paper. For this purpose, a detailed model of...
Accounting for all possible short circuits in a direct current circuit can prove to be an arduous process. To avoid unintended operation and circuit damage, short circuit protection may be implemented via hardware or software. This paper views the short circuit detection problem as a hardware-software codesign problem in which an inductor installed in a DC circuit is designed alongside a microc...
CuInS2 nanostructures were synthesized via a simple surfactant-free solvothermal route. In this synthesis, thiosemicarbazide and thioglycolic acid were used as sulfur sources. The effects of different parameters such as type of precursor and time on the morphology and particle size of the samples have been investigated. The nanostructures were characterized by means ...
Three natural pigments including wild iris, black pomegranate bark and black grapes were used as sensitizer in dye sensitized solar cells (DSSCs) based on TiO2 nanoparticles. The results showed that the DSSC made of black pomegranate bark was more efficient than the other cells due to its strong bonding with TiO2 nanoparticles. Longer electron lifetime, lower electron recombination, and lower...
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