Abstract

This project deals with enhancing the voltage quality from voltage sags and one more power quality issues are rectifying in this project that is a harmonics. The level of the inverter is increased for accurate system performance. The system has more stable by proposed Edmonds’ algorithm and its used for finding a spanning dendri form of minimum weight (sometimes called optimum branching). Its an directed analog of the minimum spanning tree problem. This algorithm is faster implementation and less number of iterations compared with other algorithms. This algorithm to produce a delta signal for controlling the space vector pulse width modulation signal because the SVPWM has only produce in the static frequency so lightly harmonics are produced so the quality of the power is reduced. That harmonics are reduced by using the variable frequency is produced by algorithm. The STATCOM is used in fifteen level inverters for better performance its reduce a generation of harmonics and it get a dc sources from capacitor banks and battery banks because this store a huge amount of energy compared with capacitor banks. A simulation model based on this method is built in the MATLAB platform. The simulation results show that, the proposed control algorithm can make sure STATCOM precisely and quickly compensate reactive power, improve the power factor, stabilize the DC voltage sag and compensate the voltage sag and reduce the generation of harmonics.

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