With the ongoing growth of the power networks and the increase of the short circuit current level in the power network, it’s necessary to use the equipment for limiting the short circuit faults. One of these equipment is fault current limiters (FCLs) based on variable r More
With the ongoing growth of the power networks and the increase of the short circuit current level in the power network, it’s necessary to use the equipment for limiting the short circuit faults. One of these equipment is fault current limiters (FCLs) based on variable reactor that they have simple structure and effective performance. This paper presents an optimal design of new fault current limiter based on variable series reactor. It is very important to obtain the optimal dimensions of the proposed FCL to achieve the best performance with considering parameters of the FCL such as performance time, initial inductance and final inductance. Hence, at the first, the proposed plan is introduced and then an analytical modeling based on equations of the reactor is used to evaluate and optimize the proposed FCL. Finally, the results of optimization are compared with results of primary design. These results confirm that the performance of optimal plan is much better than the primary plan.
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