NDLI: System integration aspects of DC circuit breakers

Content Provider	IET Digital Library
Author	Döring, David Ergin, Dominik Würflinger, Klaus Dorn, Jörg Schettler, Frank Spahic, Ervin
Abstract	Currently, most of the voltage sourced converter (VSC) based high voltage direct current (HVDC) projects are point to point cable connections. However the market for VSC based HVDC projects using overhead lines is expected to grow rapidly in the near future. Depending on the requirements for DC fault clearing and grid topology there are different protection concepts for these HVDC applications. The application of full bridge technology or the application of DC circuit breakers (DCCB) are the main approaches being discussed today for providing a fast DC fault clearing with auto-reclosure. The main focus in this study is on the protection of HVDC systems by means of DCCBs and the challenges being faced with this approach. The first part of the study focuses on the description of hybrid DCCBs for the application with half bridge converter technology. The second and main part of the study presents the factors influencing the design of the DCCB: AC network, travelling waves, DC reactor and DC line inductance. The results from the given examples confirm the wide range of the energy to be absorbed (5.3 up to 50 MJ!) and the significant impact that these factors can have on the design of the DCCBs.
Starting Page	219
Ending Page	227
Page Count	9
ISSN	17554535
Volume Number	9
e-ISSN	17554543
Issue Number	Issue 2, Feb (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/9/2
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2015.0558
Journal	IET Power Electronics
Publisher Date	2016-02-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	AC Network Auto-reclosure Circuit Breaker D.C. Transmission DC Circuit Breaker DC Fault Clearing DC Line Inductance DC Reactor Fault Diagnosis Full Bridge Technology Grid Topology Half Bridge Converter Technology HVDC Grid HVDC Power Converter HVDC Power Transmission Hybrid DCCB Multiterminal HVDC System Overhead Power Line Point to Point Cable Connections Power Converter Power Grid Power Supplies to Apparatus Power System Protection Power Transmission Protection Protection Concepts Reactors (Electric) Switch System Integration Transformer And Reactors Travelling Wave Voltage Sourced Converter VSC Based HVDC Projects VSC-based High Voltage Direct Current Projects
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Interactions between a half-bridge MMC and a hybrid DC breaker during fault current interruption compared to a full-bridge MMC

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System integration aspects of DC circuit breakers

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