Abstract
Due to their non-linear load characteristics, train locomotives play a significant part in the installation of railway electrification in India and around the world. Numerous techniques have been researched and used with both AC and DC locomotives to enhance power quality. The development of train locomotives is used in this research to provide a viewpoint on various power quality issues as well as to explore the demand for power quality problems and system requirements for acceptable power quality. The many sorts of compensation schemes are contrasted with one another. this would help academics and engineers working on railway electrification.