In this paper, the principle of modularity is used to derive the different multilevel voltage and
current source converter topologies. The paper is primarily focused on high-power …

High Voltage Direct Current (HVDC) systems has been an alternative method of transmitting
electric power from one location to another with some inherent advantages over AC …

The modular multilevel converter (MMC) has become the most promising converter
technology for high-voltage direct current (HVDC) transmission systems. However, similar to …

This paper explains the working principles, supported by simulation results, of a new
converter topology intended for HVDC applications, called the alternate arm converter …

High voltage direct current (HVDC) transmission is an economical option for transmitting a
large amount of power over long distances. Initially, HVDC was developed using thyristor …

In the future, new aspects from decentralized generation using different dc voltage levels are
expected to influence the general concept of power exchange. Converter are needed to …

A generic DC grid model that is compatible with the standard AC system stability model is
presented and used to analyse the interaction between the DC grid and the host AC …

Voltage ratings for HVdc point-to-point connections are not standardized and tend to depend
on the latest available cable technology. DC/DC conversion at HV is required for …

基于常规直流及柔性直流的多端直流输电和直流电网技术是解决**新能源并网和消纳问题的
有效技术手段之一. 从对直流输电发展的背景分析入手, 概述了两端直流输电技术 …

The design and operation of full-bridge (FB) MMCs that meet HVDC specifications are
studied in this paper. Three new design parameters: 1) the overmodulation index (k MMC); …