A Fuzzy Controller for Compensation of Voltage Sag/Swell Problems Using Reduced Rating Dynamic Voltage Restorer
نویسندگان
چکیده
منابع مشابه
Dynamic Voltage Restorer for Voltage Sag Compensation Using Fuzzy Pi Controller
One of the major concerns in electricity industry today is power quality. It becomes especially important with the introduction of advanced and complicated devices, whose performance is very sensitive to the quality of power supply. The electronic devices are very sensitive to disturbances and thus industrial loads become less tolerant to power quality problems such as voltage dips, voltage sag...
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The loss of balanced voltages involves a voltage drop due to symmetric three-phase errors, or the initiation of high-power three-phase loads or symmetric three-phase switches. While these events in an unbalanced way lead to asymmetric voltage drops. Voltage drops can cause asymmetric load on the power grid, the occurrence of volatility, and even network power outage. One of the most common ways...
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This paper discusses the Dynamic voltage restorer (DVR) operation and control for Voltage sags compensation. DVR is a series connected power electronic based device that can quickly mitigate the voltage sags in the system and restore the load voltage to the pre-fault value. Voltage sag associated with faults in transmission and distribution systems, energizing of transformers, and starting of l...
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Dynamic Voltage Restorer can provide the most cost effective solution to mitigate voltage sags and swells by establishing the proper voltage quality level that is required by customer. This device is connected in series with the distribution feeder at medium voltage. The PI controller is very common in the control of DVRs. However, one disadvantage of this conventional controller is the fact th...
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Power quality is one of major problems in the presence era. It has become importance especially, with the introduction of sophisticated devices, whose performance is very sensitive to quality of power supply. power quality problem is an occurrence manifested as a nonstandard voltage,current,or frequency that results in a failure of end use euipement.One of the major problem deal here is the vol...
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ژورنال
عنوان ژورنال: IAES International Journal of Artificial Intelligence (IJ-AI)
سال: 2015
ISSN: 2252-8938,2089-4872
DOI: 10.11591/ijai.v4.i2.pp45-52