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Electric arc furnace and its influence in the power system are studied in this paper. Two models that allow to evaluate its behavior during steady state are shown. These models has different complexity level; the first model takes into account the main nonlinearities of the load; the other assumes that current-voltage characteristic in the arc is piece-wise linear. Electromagnetic transients program...
When only measurements at the source of flicker are available, flicker levels in other network nodes can be obtained with stationary calculation methods. When dealing with multiple flicker sources it is vital to assess their cumulative contribution to flickers levels in network nodes using flicker summation factors. The paper presents a case of two arc furnaces causing flicker in a particular node...
The voltage dip has been a problem from the increase of the customer loads such as an electronics devices etc. and the electric power quality needs. This paper shows the voltage analysis system for the customer including dip measures. The first characteristic of this system is to predict the voltage dip performance of customer loads and the effect of voltage dip measures applied to loads conditions...
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