فهرست نشریات علمی دسترسی آزاد ایران

Based on the analysis of the switching resource of generator circuit-breakers, the need for current limitation in the generator network was established due to the impossibility of increasing the breaking capacity of the electrical apparatus by traditional methods. An analysis of existing methods of current limitation was given and a new principle of action on a high-current electric arc by a counter electromagnetic field was proposed. The results of experimental studies conducted on a model test bench are presented, along with the outcomes of mathematical modelling of the processes under consideration. A comparison of these results demonstrated good agreement, indicating successful validation of the developed model.Technical solutions for controlling current limitations have been developed. The principle of electromagnetic influence on the arc has been examined in detail, with the determination of the parameters and characteristics of control. A case study performed in the MATLAB Simulink software is presented demonstrating the implementation of the proposed method for limiting short‑circuit current in a generator network model. The results illustrate the possibility to limit the short‑circuit current to levels at which the generator circuit breaker can successfully perform the interruption.