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Journal of the Korean Institute of Illuminating and Electrical Installation Engineers

ISO Journal TitleJ Korean Inst. IIIum. Electr. Install. Eng.
Title The Effects of Converter and DC line Outages on Load Flow Analysis of VSC-MTDC based Hybrid AC/DC Distribution System
Authors Muhammad Omer KhanMuhammad Omer Khan ; Saeed ZamanSaeed Zaman ; Muhammad MehdiMuhammad Mehdi ; Chul-Ho Noh ; Gi-Hyeon Gwon ; Chul-Hwan Kim
DOI http://dx.doi.org/10.5207/JIEIE.2017.31.10.068
Page pp.68-77
ISSN 1225-1135
Keywords AC/DC Distribution system ; Load Flow Analysis ; Distributed Energy Resources
Abstract Conventional AC power networks in recent decades have been in a process of continuous overhaul due to the development of power electronic devices and distributed energy resources (DER). This development has demonstrated great potential for the implementation of DC power networks and numerous effects on the employment of integrated AC/DC systems based on Voltage Source Converter (VSC) technology are underway. On the other hand, the integration of DER in a distribution network has emerged as a durable choice for fulfilling future energy need. In this study, a load flow analysis is performed on a Voltage Source Converter-Multi terminal DC (VSC-MTDC) based AC/DC Distribution system incorporated with DERs. An IEEE 14 bus distribution network was modified to include a VSC-MTDC network model for the implementation of the Newton-Raphson load flow algorithm. This paper also discussed the mathematical models for VSC, AC and DC networks along with the load flow study of the steady-state change in the AC/DC network as a result of converter and DC line outage.