Abstract
Due to the different types of conversion purposes lots of harmonic creates in DC operated power system. Our goal is to minimize the harmonics at a certain level. The main focus of this research is to explain the effects of harmonics in a 12-pulse High Voltage Direct Current (HVDC) transmission network and take corresponding steps to reduce those effects. It includes harmonic reduction technique to improve the power quality of the HVDC transmission system. This paper also explains how harmonic distortion in HVDC network is one of the important problems associated with power quality and creates several disturbances to the overall power system. In this paper, simulation results were developed on the basis of bus no 1 and 2 of an ideal HVDC transmission Link where there are a lot of harmonics created primarily both in voltage and current due to the presence of Transformer, Converter Devices and Nonlinear Loads. After using passive filter, this harmonic level will be minimized at a certain point which is explained in details on this paper with practical justification.
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