A Review on HVDC Circuit Breakers

Mokhberdoran, Ataollah; Carvalho, Adriano; Leite, Hélder; Silva, Nuno

doi:10.1049/cp.2014.0859

Cited by 108 publications

(59 citation statements)

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“…These studies showed that the DC fault dynamics are very fast (2-5 msec) and thus, the time restrictions imposed are very stringent. Moreover, several studies have investigated the design of DC circuit breakers [20,21], while other protection concepts along with fault blocking converter designs have been proposed [22,23]. However, the proposed solutions have many design trade-offs and thus require a high level of optimization to define the best possible design of a protection system in DC grids.…”

Section: Limitations In Employing Reconfigurable DC Link Technologymentioning

confidence: 99%

Reconfigurable DC Links for Restructuring Existing Medium Voltage AC Distribution Grids

Shekhar

Ramírez-Elizondo

Feng

et al. 2017

Electric Power Components and Systems

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Section: Limitations In Employing Reconfigurable DC Link Technologymentioning

confidence: 99%

Reconfigurable DC Links for Restructuring Existing Medium Voltage AC Distribution Grids

Shekhar

Ramírez-Elizondo

Feng

et al. 2017

Electric Power Components and Systems

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“…The technology of passive resonant mechanical dc circuit breaker is mature, which has been applied in LCC-HVDC systems [10]. …”

Section: Operation Priciple Of Mechanical DC Circuit Breakermentioning

confidence: 99%

“…The technology of mechanical dc circuit breakers is mature [5], which have been applied in conventional LCC-based HVDC transmission system. But this kind of breaker cannot be directly applied in the VSC-based HV MTDC due to its slow response ( 30~40ms) and limited breaking capacity ( 4kA for passive resonant breakers) [6], [10]. The solid-state breakers consist of series-connected power electronic devices, which enjoys rapid response speed ( 1ms) [6].…”

Section: Introductionmentioning

confidence: 99%

Mechanical DC circuit breakers and FBSM-based MMCs in a high-voltage MTDC network: coordinated operation for network riding through DC fault

Lin

et al. 2015

International Conference on Renewable Power Generation (RPG 2015)

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DC circuit breaker is of vital importance for security in a high voltage (HV) multi-terminal DC (MTDC) network, particularly in the HV MTDC based on voltage source converters (VSCs) that are typically based on two-level, neutral point clamed (NPC) three-level and modular multilevel. Mechanical DC circuit breaker characterized with low costs and losses has been widely used in the conventional LCC-based HV MTDC network, but cannot be directly applied in the VSC-based HV MTDC due to its slow response and limited breaking capacity. On the other hand, the technology of hybrid DC circuit breaker is immature at present, which has been demonstrated with prototype and cannot be employed in HV ( 320kV) applications in over ten years. As a result, DC circuit breaker has become an obstacle for HV MTDC development. This paper presents a kind of coordinated operation between mechanical DC breakers and full-bridge sub-module (FBSM) based MMCs to guarantee DC fault ride-through in a HV MTDC network. The proposed coordination strategy is dependent on the DC fault current controllability provided by FBSM-based MMC. Specifically, the capability of FBSM's negative level is adopted to change the common-mode component of MMC arm's reference voltage, which can restrain the fault current to the maximum operation threshold of mechanical DC circuit breaker. This scheme can reduce the demand of breaking capacity and response time for mechanical DC circuit breaker, which thus shows great potential in the applications of HV MMC-based MTDC network. The effectiveness and validity of the coordinated operation is verified by simulation results.

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“…Even for VSC technologies able to block the fault current (employing full bridge cells), there is a need to use additional protective devices when complex MT-HVDC grids with more than one protection zones are considered [1]. Moreover, the interruption of dc current is technically difficult due to the lack of natural zero crossing [5], [6]. In addition to the protection problem, a meshed HVDC (M-HVDC) grid as a complex form of the MT-HVDC grid may face power flow control problems.…”

Section: Introductionmentioning

confidence: 99%

Current Flow Controlling Hybrid DC Circuit Breaker

Mokhberdoran

Gomis‐Bellmunt²,

Silva

et al. 2018

IEEE Trans. Power Electron.

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This paper proposes a new device by combining features of interline dual H-bridge current flow controller with the core idea of hybrid HVDC circuit breaker for meshed HVDC grid application. The proposed device can substitute 2 dc circuit breakers at a dc bus with at least 2 adjacent transmission lines. In addition to the current interruption action, the current in one of the adjacent lines can be controlled by the embedded current flow controller. The system level behavior of the proposed current flow controlling hybrid dc circuit breaker is similar to that of typical hybrid dc circuit breaker and the interline dual H-bridge current flow controller. The operation principles of the proposed device are introduced and analyzed in this work. The components ratings are compared to the existing solution and the functionality of proposed device is verified by simulation.

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A Review on HVDC Circuit Breakers

Cited by 108 publications

References 0 publications

Reconfigurable DC Links for Restructuring Existing Medium Voltage AC Distribution Grids

Reconfigurable DC Links for Restructuring Existing Medium Voltage AC Distribution Grids

Mechanical DC circuit breakers and FBSM-based MMCs in a high-voltage MTDC network: coordinated operation for network riding through DC fault

Current Flow Controlling Hybrid DC Circuit Breaker

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