Analysis and Simulation of FCL Effects on Voltage Sag in Power Systems

سال انتشار: 1384
نوع سند: مقاله کنفرانسی
زبان: فارسی
مشاهده: 2,179

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شناسه ملی سند علمی:

PSC20_146

تاریخ نمایه سازی: 8 آذر 1385

چکیده مقاله:

Voltage sag is a power quality event where the voltage magnitude is reduced to values between the 90 and 10% of the nominal voltage and which duration is extended from 0.5 cycles up to 60 seconds. The main causes for voltage sags are faults and short circuits, lightning strokes and inrush currents. In General, it is possible to consider voltage sags as the origin of between 70% and 90% of the industrial power quality problems. Dynamic voltage restorers (DVRs), FACTS device such as static compensator (STATCOM), static series synchronous Compensator (SSSC), and Unified Power Flow Controller (UPFC), energy storage devices and fault current limiters (FCLs) are used to protect sensitive loads from the effects of voltage sags in the power systems. This paper illustrates how the performance of FCLs in power system helps to enhance oltage quality. Three types of FCLs (superconducting based included resistor type and inductive type, and thyristor based) are investigated in a case study of power system through computer simulation.

کلیدواژه ها:

Voltage sags ، Power quality ، Fault Current Limiter (FCL) ، Power systems ، Simulink

نویسندگان

Alireza Jalilian

High Voltage & Magnetic Materials Research Center Iran University of Science and Technology

Hossein Heydari

High Voltage & Magnetic Materials Research Center Iran University of Science and Technology

Faramarz Faghihi

High Voltage & Magnetic Materials Research Center Iran University of Science and Technology

Mojtaba Safdari

High Voltage & Magnetic Materials Research Center Iran University of Science and Technology

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