نتایج جستجو برای: model of vacuum circuit breakers
تعداد نتایج: 21374465 فیلتر نتایج به سال:
This paper is a sequel to a study by the authors of electric power systems comprising the generator circuit-breakers (GCBs) at power plant generator terminals. A sustainable assessment of the current interruption requirements of a GCB addresses the main stresses on the generator circuit breaker, revealing that the GCB current interruption requirements are significantly higher than for the distr...
the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...
Resistive Switching The resistive switching in a metal–insulator–metal may be explained through the formation and rupture of metallic filaments. random circuit breaker model is simulation tool that gives real-time distribution filaments lattice network breakers. In article 2200730, Catarina Dias João Ventura show dependences forming, Set Reset voltages on thickness defect percentage, compare wi...
To one double-breaker model, experimental investigation on blow open force was carried out. It demonstrates that the ratio between the emerging blow open force and arc power FB/ui decreases with the arcing time, the contact gap has less effect on FB/ui, and the characteristics of the blow open force are similar when the peak value of the short circuit current is beyond 4 kA. Then, according to ...
Mathematical approach to model rapidly elongated free-burning arcs in air in electric power circuits
A two-terminal equivalent model of rapidly elongated freeburning arcs in air is presented that is designed to be used in systematic simulations of both existing and new switching concepts of circuit breakers in electric power circuits. The proposed model is based on the combination of a Mayr-type and a Cassie-type differential equation. These are modified in order to take into account the influ...
The paper presents an investigation in to the effect of neural network predictive control of UPFC on the transient stability performance of a multimachine power system. The proposed controller consists of a neural network model of the test system. This model is used to predict the future control inputs using the damped Gauss-Newton method which employs ‘backtracking’ as the line search method f...
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