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Showing 1 to 8 of 8 for “"DC circuit breaker"”.
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Investigating DC circuit breaker service life
… methods to extend the service life of DC circuit breakers using inductive voltage spike mitigation techniques aimed at reducing electric arcs during switching operations. Unlike AC systems, DC lacks a natural zero-crossing which results in large transient voltages that accelerate switch …
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Hybrid Modular Multilevel Converter Family and Modular DC Circuit Breaker for Medium-voltage DC (MVDC) Applications
… electronics-based voltage conversion techniques, DC grids, and distribution systems have gained significant interest. These systems offer advantages such as improved power quality, efficiency, and flexibility. Medium-voltage DC (MVDC) applications, including shipboard, railway systems, …
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Design, Simulation, and Hardware Construction of a 600 W Solid State DC Circuit Breaker for the DC House Project
<p>DC circuit breakers must be able to arrest overcurrent conditions to prevent electrical equipment and wiring from causing building fires or other hazards from occurring. With more DC renewable sourced structures such as Cal Poly’s DC House, an inexpensive and reliable protection system is …
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Electrical, Magnetic, Thermal Modeling and Analysis of a 5000A Solid-State Switch Module and Its Application as a DC Circuit Breaker
… design and demonstration of a novel solid-state DC circuit breaker. The mechanical circuit breaker is widely used in power systems to protect industrial equipment during fault or abnormal conditions. Compared with the slow and high-maintenance mechanical circuit breaker, the solid-state circuit …
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Direct current hybrid vacuum breaker
Hybrid DC circuit breaker switching techniques have been proposed for use in multi-terminal HVDC networks, to create an efficient, reliable and controllable system. There are two DC hybrid switching techniques. The first is arc interruption based on current oscillation. The second is interruption …
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Transmission Line Dynamics Modeling For Power Electronics-Enabled Control in the Electric Power Systems
… work presents techniques to protect from short circuits in response to load disconnections, and introduces DC circuit breaker configurations to cause current commutation. In the modern day, power systems operators possess the technology to implement fast control of dynamics, however, due to …
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Insulation-Constrained Design of Power Electronics Converters and DC Circuit Breakers
… (LV) and medium-voltage (MV) direct current (DC) distribution systems for a variety of applications. Power electronics converters and DC circuit breakers (DCCBs) are the key components of a DC system and are hence the focus of this work. The combination of growing power density requirements …
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Modeling and Design of a Railgun-Driven Actuator for Ultrafast LVDC Circuit Breakers
L'abstract è presente nell'allegato / the abstract is in the attachment