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Title: Development, Demonstration, and Control of a Testbed for Multiterminal HVDC System

This paper presents the development of a scaled four-terminal high-voltage direct current (HVDC) testbed, including hardware structure, communication architecture, and different control schemes. The developed testbed is capable of emulating typical operation scenarios including system start-up, power variation, line contingency, and converter station failure. Some unique scenarios are also developed and demonstrated, such as online control mode transition and station re-commission. In particular, a dc line current control is proposed, through the regulation of a converter station at one terminal. By controlling a dc line current to zero, the transmission line can be opened by using relatively low-cost HVDC disconnects with low current interrupting capability, instead of the more expensive dc circuit breaker. Utilizing the dc line current control, an automatic line current limiting scheme is developed. As a result, when a dc line is overloaded, the line current control will be automatically activated to regulate current within the allowable maximum value.
Authors:
 [1] ;  [1] ;  [1] ;  [2] ;  [1] ; ORCiD logo [1]
  1. The Univ. of Tennessee, Knoxville, TN (United States)
  2. Xi'an Jiaotong Univ., Xi'an (China)
Publication Date:
Grant/Contract Number:
AC05-00OR22725
Type:
Accepted Manuscript
Journal Name:
IEEE Transactions on Power Electronics
Additional Journal Information:
Journal Volume: 32; Journal Issue: 8; Journal ID: ISSN 0885-8993
Publisher:
IEEE
Research Org:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Sponsoring Org:
USDOE; National Science Foundation (NSF)
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; HVDC; multiterminal; multiterminal HVDC (MTDC); testbed
OSTI Identifier:
1394575

Li, Yalong, Shi, Xiaojie M., Liu, Bo, Lei, Wanjun, Wang, Fred, and Tolbert, Leon M.. Development, Demonstration, and Control of a Testbed for Multiterminal HVDC System. United States: N. p., Web. doi:10.1109/TPEL.2016.2620167.
Li, Yalong, Shi, Xiaojie M., Liu, Bo, Lei, Wanjun, Wang, Fred, & Tolbert, Leon M.. Development, Demonstration, and Control of a Testbed for Multiterminal HVDC System. United States. doi:10.1109/TPEL.2016.2620167.
Li, Yalong, Shi, Xiaojie M., Liu, Bo, Lei, Wanjun, Wang, Fred, and Tolbert, Leon M.. 2016. "Development, Demonstration, and Control of a Testbed for Multiterminal HVDC System". United States. doi:10.1109/TPEL.2016.2620167. https://www.osti.gov/servlets/purl/1394575.
@article{osti_1394575,
title = {Development, Demonstration, and Control of a Testbed for Multiterminal HVDC System},
author = {Li, Yalong and Shi, Xiaojie M. and Liu, Bo and Lei, Wanjun and Wang, Fred and Tolbert, Leon M.},
abstractNote = {This paper presents the development of a scaled four-terminal high-voltage direct current (HVDC) testbed, including hardware structure, communication architecture, and different control schemes. The developed testbed is capable of emulating typical operation scenarios including system start-up, power variation, line contingency, and converter station failure. Some unique scenarios are also developed and demonstrated, such as online control mode transition and station re-commission. In particular, a dc line current control is proposed, through the regulation of a converter station at one terminal. By controlling a dc line current to zero, the transmission line can be opened by using relatively low-cost HVDC disconnects with low current interrupting capability, instead of the more expensive dc circuit breaker. Utilizing the dc line current control, an automatic line current limiting scheme is developed. As a result, when a dc line is overloaded, the line current control will be automatically activated to regulate current within the allowable maximum value.},
doi = {10.1109/TPEL.2016.2620167},
journal = {IEEE Transactions on Power Electronics},
number = 8,
volume = 32,
place = {United States},
year = {2016},
month = {10}
}