Modeling and Simulation of UPQC for Mitigation of Power Quality Issues
Keywords:
Harmonics, Power quality, Unified Power Quality Conditioner (UPQC), Voltage sag, Voltage swellAbstract
In today's power system, numerous generating units and load centres are linked via massive power transmission as well as distribution networks. Different outages, and interruptions, can result in substantial monetary loss, losses in output, idle labour forces, and other effects. Less pf, less efficient, transformer overheating, and other concerns result from quality degradation. Additionally, a 3P4W distribution system frequently has an unbalanced total load, which leads to an excessive amount of neutral currents. The quality of the power is affected by power electronic systems. Electronic machinery is becoming increasingly sensitive to disturbances and less tolerant of problems like voltage sags, swells, and harmonic. This problem is solved by using specialized power equipment. The UPQC is one of these tools, a structured and functional modern bespoke power tool designed to enhance power quality in systems. A modern power system consists of complex networks that connect several producing units and load centers with extensive power transmission and distribution networks. A reduced power factor and poorer efficiency lead to quality degradation, which causes transformer overheating and other problems. The result of an uneven load on the entire distribution system is a four-wire distribution system with an excessive amount of three-phase neutral current. Power electronic systems also affect power quality. Electronic equipment becomes more noise-sensitive as a result, reducing the tolerance for problems including voltage sag, swell, and harmonic challenges. This issue is fixed by using customized power devices. One of these devices is the unified power quality conditioner (UPQC), which is one of the modern bespoke power devices used to enhance power quality in dispersed systems that is most well-organized and functioning. Through the use of UPQC to link a nonlinear load to a 3P4W system, we will simulate issues with the quality of electricity, such as harmonics and imbalanced voltage and current.
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