نتایج جستجو برای: fault current

تعداد نتایج: 835237  

Journal: :Frontiers in Energy Research 2021

Three-phase PWM voltage-source rectifier (VSR) systems have been widely used in various energy conversion systems, where current sensors are the key component for state monitoring and system control. The sensor faults may bring hidden danger or damage to whole system; therefore, this paper proposed a random forest (RF) fault texture feature-based method diagnosis three-phase VSR systems. First,...

Journal: :international journal of civil engineering 0
j. vafaie hafez ave, tehran t. taghikhany hafez ave, tehran m. tehranizadeh hafez ave, tehran

the near field ground motions have a high amplitude pulse like at the beginning of the seismogram which are significantly influenced by the rupture mechanism and direction of rupture propagation. this type of ground motion cause higher demands for engineering structures and its response spectrum is dramatically different than far field spectra. tabriz is one of the ancient cities in azerbaijan ...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

Journal: :TEION KOGAKU (Journal of the Cryogenic Society of Japan) 2006

2014
Mohamed M. Aly Emad A. Mohamed

One of the worst types of fault that a power system should be designed to withstand is a short circuit. Within the various types of fault current limiters, the superconducting fault current limiter (SFCL) has an extremely fast current limitation. The rapid switching action and the self-sensing nature of the superconductor make SFCLs particularly attractive in fault protection. This very fast ti...

Journal: :Transactions of the Society of Instrument and Control Engineers 1992

Journal: :IEEJ Transactions on Power and Energy 1997

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