Benefits of Operating a Four Terminal HVDC Network with a Normally Open Point

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Title: Benefits of Operating a Four Terminal HVDC Network with a Normally Open Point
Author(s): Sheridan, CE
Merlin, MMC
Green, TC
Item Type: Conference Paper
Abstract: It is likely that any HVDC grids will evolve over time and will likely be multi-vendor and use several different technologies. This paper studies a four terminal network where the interconnecting link is operated as a normally open point. This allows the network to be reconfigured in the event of DC side fault, without the need for DC circuit breakers. The network uses the popular Modular Multi-level converter at one terminal and a fault tolerant converter at the other terminal. A simple cost benefit shows the economic advantage of the interconnecting link. The operation of this network is then verified through simulation for a normal operating scenario and a DC fault scenario.
Publication Date: 21-Oct-2015
Date of Acceptance: 21-Oct-2015
URI: http://hdl.handle.net/10044/1/27256
Conference Name: International High Voltage Direct Current Conference 2015
Copyright Statement: © 2015 the Authors
Keywords: HVDC
Energy conversion
Fault blocking converters
Modular multilevel converter
Multi-terminal DC
Start Date: 2015-10-18
Finish Date: 2015-10-22
Conference Place: Seoul, South Korea
Appears in Collections:Faculty of Engineering
Electrical and Electronic Engineering



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