HVDC Breaker Power Loss Reduction by Bridge-Type Hybrid Breakers

Morteza Hesami, Ali Bakhshi, Sheyda Mousavi, Kumars Rouzbehi and Juan Manuel Escaño
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Morteza Hesami: Department of Electrical Engineering, Zanjan Branch, Islamic Azad University, Zanjan 45156-58145, Iran
Ali Bakhshi: Department of Electrical Engineering, Zanjan Branch, Islamic Azad University, Zanjan 45156-58145, Iran
Sheyda Mousavi: Department of Electrical Engineering, Zanjan Branch, University of Zanjan, Zanjan 45371-38791, Iran
Kumars Rouzbehi: Department of System Engineering and Automatic Control, University of Seville, 41004 Seville, Spain
Juan Manuel Escaño: Department of System Engineering and Automatic Control, University of Seville, 41004 Seville, Spain

Energies, 2021, vol. 14, issue 6, 1-12

Abstract: Several types of high voltage direct current (HVDC) breakers have been introduced and commercialized. Each of them has advantages and disadvantages. Among them, the hybrid HVDC breaker is highly successful. One of the most important concerns that the hybrid HVDC breaker has faced is high power loss throughout its fault current breaking process. The hybrid HVDC breaker comprises a high voltage bidirectional main HVDC breaker. A significant number of electronic switches need to be connected in a series where anti-parallel diodes are essentially embraced. During fault inception, a number of series solid-state switches and a number of series diodes dramatically increase the power loss of the main breaker. This study, firstly, studies the power loss of the hybrid HVDC breaker and later develops a structure of a full-bridge hybrid breaker (FBHB) to reduce the losses of the current structure both in the normal and fault protection states. In this paper simulations are done based on PSCAD. In addition to the analytical study and simulations, we show that the developed structure substantially decreases the amount of power lost during the normal operation and fault current breaking stage.

Keywords: HVDC breaker; power loss; ABB hybrid HVDC breaker (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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