{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,10,12]],"date-time":"2025-10-12T02:28:57Z","timestamp":1760236137281,"version":"build-2065373602"},"reference-count":35,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2021,10,28]],"date-time":"2021-10-28T00:00:00Z","timestamp":1635379200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["51777216 and 51507191"],"award-info":[{"award-number":["51777216 and 51507191"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Symmetry"],"abstract":"<jats:p>DC circuit breaker (DCCB) systems with a DC reactor in series are normally equipped in the voltage-sourced-converter-based multi-terminal DC (VSC\u2013MTDC) systems for DC fault clearance. However, it is revealed that the use of DC reactors could undermine the system damping and deteriorate the system stability. In this paper, a controller based on hybrid sensitivity is proposed to improve the stability of power system and realize the power symmetry of multi-terminal systems. Firstly, based on a generalized MTDC small-signal model, an eigenvalue analysis is performed to provide deep insight into the stability issue imposed by DC reactors. Furthermore, a local controller based on hybrid sensitivity was proposed, and on this basis, a global controller was designed to solve asymmetrical power flow. Finally, a four-terminal VSC\u2013MTDC model was built in Simulink to evaluate the performance of DC-PSS. Simulation results verify the effectiveness of the proposed controller in stabilizing MTDC systems and symmetrizing of power flow.<\/jats:p>","DOI":"10.3390\/sym13112037","type":"journal-article","created":{"date-parts":[[2021,10,28]],"date-time":"2021-10-28T23:52:35Z","timestamp":1635465155000},"page":"2037","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":1,"title":["Investigation and Control of Damping in VSC\u2013MTDC System with DC Circuit Breakers"],"prefix":"10.3390","volume":"13","author":[{"given":"Wenzhong","family":"Ma","sequence":"first","affiliation":[{"name":"Institute of New Energy, China University of Petroleum (East China), Qingdao 266580, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jianyi","family":"Gao","sequence":"additional","affiliation":[{"name":"Institute of New Energy, China University of Petroleum (East China), Qingdao 266580, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Guanyu","family":"Zhou","sequence":"additional","affiliation":[{"name":"Institute of New Energy, China University of Petroleum (East China), Qingdao 266580, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yan","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shandong Energy Group Co., Ltd., Jining 273500, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Kuitong","family":"Zhang","sequence":"additional","affiliation":[{"name":"Shandong Energy Group Co., Ltd., Jining 273500, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jia","family":"Han","sequence":"additional","affiliation":[{"name":"Shandong Energy Group Co., Ltd., Jining 273500, China"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Lei","family":"Dong","sequence":"additional","affiliation":[{"name":"Institute of New Energy, China University of Petroleum (East China), Qingdao 266580, China"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2021,10,28]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","unstructured":"Abedin, T., Lipu, M.S.H., Hannan, M.A., Ker, P.J., Rahman, S.A., Yaw, C.T., Tiong, S.K., and Muttaqi, K.M. 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