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This paper presents, selective harmonic elimination technique based on genetic algorithm applied to recently introduced seven-level Nested Neutral Point Clamped (NNPC) Converter. The Selective harmonic elimination (SHE) technique aims to eliminate lower order harmonic and maintain reference value of fundamental component. This demands the solution of nonlinear and transcendental equations. Thus, optimization...
Modular multilevel converters are used to fulfill the medium/high voltage high power demand. This paper investigates the performance of a modular multilevel converter having modified flying capacitor multicell converter as sub-module. The performance of the MMC has been evaluated on the basis of spectral quality of the output a.c. voltage and the utilization of the input d.c. voltage. The utilization...
Electric distribution systems are becoming large and complex leading to higher system losses and poor voltage regulation. This has stressed the need for an efficient and effective distribution network. The main objective of this paper work is to determine optimal location for capacitor placement in radial distribution feeders to improve the voltage profile and reduce the energy loss. This problem...
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