نتایج جستجو برای: sfcl
تعداد نتایج: 180 فیلتر نتایج به سال:
superconductor fault current limiter (sfcl) is an effective device to suppress high fault currents. this paper presents a comparative study of resistive and inductive fault current limiters from transient stability point of view. appropriate location and type of the limiters in a hv substation is selected by a qualitative approach based on the equal area criterion. study system is simulated by...
Pembangkit energi terbarukan (renewable energy, RE) saat ini banyak digunakan oleh masyarakat sebagai upaya untuk mengurangi emisi. Untuk itu, dikembangkan sistem microgrid bersumber pada RE yang berdampingan dengan konvensional. Akan tetapi, listrik tersebut cenderung mengalami gangguan transien seperti hubung singkat, beban bertambah, dan turunnya keluaran generator. Gangguan dapat menyebabka...
Power system protection at transmission and distribution levels based on overcurrent relays is essential based on their properties such as detection, stability, high speed, backup and error correction accuracy. Since distributed generation sources are connected to the power grid, they not only increase the short circuit level of the grid, but also disrupt the set point of main and backup relays...
This paper presents a novel approach to determinethe power system stability using resistive superconducting faultcurrent limiter (SFCL) of an electric power grid (EPG). Inaddition, the electric railwaysystem has rapidly changing loadcharacteristics in time. An unbalance is generated owing to therapidly changing large single-phase loads. Subsequently, the unbalanced load causes an unbalanced tra...
The distributed propulsion aircraft with HTS electrical system is a novel concept for future airliners, which can reduce by more than 70% fuel burn and NO x emissions. circuit breakers ensure the security of this isolating faults timely. Solid-state (SSCBs) are preferred due to their fast respon...
in this paper, the impacts of installing superconducting fault current limiter (sfcl)in radial and loop power distribution system are evaluated to improve voltage sag in both cases of with and without distributed generations (dg). among various sfcls, the hybrid type with a superconducting element in parallel with a current limiting reactor (clr) is selected. this is more effective than resisto...
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