Performance of a new fast switching DC-Breaker for meshed HVDC-Grids

Wang, Y.; Marquardt, Rainer

doi:10.1109/epe.2015.7309255

Cited by 33 publications

(34 citation statements)

References 7 publications

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“…The major focus is to design hybrid DC CBs due to its numerous advantages over other types. In [61] an ultrafast and modular hybrid DC CB is proposed for MTDC grids. A fault property identification (FPI) based with hybrid DC CB is proposed in [62] for half bridge MMC based MTDC system.…”

Section: ) Employment Of DC Cbsmentioning

confidence: 99%

MMC Based MTDC Grids: A Detailed Review on Issues and Challenges for Operation, Control and Protection Schemes

2020

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For decades high voltage alternating current (HVAC) was considered as most economical solution to transmit and deliver electric power. With the recent developments in power electronic devices, high voltage direct current (HVDC) system becomes most prominent technology. Multi-terminal direct current (MTDC) based system as a promising technology for future power system is the major focus area for researchers and industries these days. A number of MTDC systems have been implemented physically. The major motivation to construct such MTDC systems is the integration of large-scale offshore power sources such as wind turbines and solar systems. This paper discusses the most critical challenges and issues related to operation, control and protection schemes for integration of modular multi-level converter (MMC) based MTDC systems. At first detailed literature survey has been presented to show the challenges for MMC based MTDC systems, then an analysis related to those challenges for operation, control and protection schemes for existing MMC based MTDC systems has been provided. Finally, a road map to tackle such challenges has been suggested.

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Section: ) Employment Of DC Cbsmentioning

confidence: 99%

MMC Based MTDC Grids: A Detailed Review on Issues and Challenges for Operation, Control and Protection Schemes

2020

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“…In the power electronic current injection circuit breaker [47], [48], Fig. 10, during normal operation, current flows in two mechanical breakers (fast switching vacuum tubes), so called Hybrid Breaking units (HBU).…”

Section: E Power Electronic Current Injectionmentioning

confidence: 99%

HVDC Circuit Breakers–A Review

et al. 2020

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HVDC circuit breakers are of increasing importance, as multi-terminal high voltage DC (HVDC) transmission becomes a commercial reality. Multiple HVDC breaker technologies have been developed, and are starting to appear as proof-of-concept installations on real networks. Information about them is however distributed widely in the literature. This paper describes the underlying challenges, the leading candidate solutions, and discusses the requirements and construction of the component subassemblies. Its goal is to provide a comprehensive overview of the field.

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“…The DC circuit breaker (DCCB) can be an enabler. The parallel mechanical DCCB proposed in [14] can interrupt a 15 kA DC current within 5 ms. ABB developed a hybrid DCCB which solves the issues of on-state power losses and operating speed [15]. However, the capability of current interruption is limited considering the capital cost and system complexity.…”

Section: Introductionmentioning

confidence: 99%

DC Current Flow Controller With Fault Current Limiting and Interrupting Capabilities

et al. 2021

IEEE Trans. Power Delivery

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Conventionally, the current flow control and DC fault protection issues of HVDC grids are supposed to be solved by the DC current flow controller (CFC) and DC circuit breaker (DCCB) separately, which may result in a high capital cost. This paper proposes a CFC topology with DC fault current limiting and interrupting capabilities. The topology and operating principle of the CFC are presented with theoretical analysis. The control strategies under normal and fault conditions are described. In order to reduce the use of IGBTs, an H-bridge inter-line CFC with fault current limiting capability is further proposed based on the proposed CFC. The proposed CFCs are tested in PSCAD/EMTDC. Simulation results show that the proposed two CFCs can effectively control the current flow of two lines during normal operation and limit and interrupt DC fault currents.

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Performance of a new fast switching DC-Breaker for meshed HVDC-Grids

Cited by 33 publications

References 7 publications

MMC Based MTDC Grids: A Detailed Review on Issues and Challenges for Operation, Control and Protection Schemes

MMC Based MTDC Grids: A Detailed Review on Issues and Challenges for Operation, Control and Protection Schemes

HVDC Circuit Breakers–A Review

DC Current Flow Controller With Fault Current Limiting and Interrupting Capabilities

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