کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Design of a 2MW Medium Voltage Conventional Hybrid DC Circuit Breaker for Railway Application

نویسندگان :

Seyed Hamid Khalkhali¹ Mohsen Taghizadeh Kejani² Ali Asghar Razi Kazemi³

1- دانشگاه صنعتی خواجه نصیرالدین طوسی 2- دانشگاه صنعتی خواجه نصیرالدین طوسی 3- دانشگاه صنعتی خواجه نصیرالدین طوسی

کلمات کلیدی :

DC Circuit Breaker،Hybrid Switch،Current Commutation،Interruption

چکیده :

Development of DC grids and the increase in industrial and domestic medium voltage applications and faults in transmission lines are possible; therefore, it is critical to have DC Circuit Breakers (DCCB) and increase their reliability. The hybrid switch is one of the DCCBs which has been studied and optimized in various studies. In this paper, a 1.5kV conventional hybrid DCCB is designed. The surge arrester, semiconductors, and the time of sending the opening command are all determined in this design. The performance of the designed hybrid switch is modeled in PSCAD software, and the simulation results will be evaluated. The major results of this simulation are how the current is commutated between different branches, the amount of overvoltage between the switch across terminals and the maximum of short circuit current flowing through the switch.

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