Browsing NTNU Open by Author "Berg, Sondre Johan Kjellin"
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Analytical design considerations for MVDC solid-state circuit breakers
Berg, Sondre Johan Kjellin; Giannakis, Andreas (Chapter, 2019)This paper investigates the design principles of a solid-state circuit breaker (SS CB) for medium voltage direct current (MVDC) grids. The emphasis is given on the design of the required active and passive components that ... -
The Effect of Non-Ideal Operating Conditions on Reliability of Inverters in Microgrids
Berg, Sondre Johan Kjellin; Göthner, Fredrik T. B. W.; Vadlamudi, Vijay Venu; Peftitsis, Dimosthenis (Peer reviewed; Journal article, 2020)Microgrids are becoming increasingly popular due to modern trends in power consumption and distribution. Power converters are essential in order to ensure the desired function of a microgrid. As with traditional distribution ... -
Improving distribution transformer reliability in micro grids with distributed generation
Berg, Sondre Johan Kjellin; Vadlamudi, Vijay Venu; Peftitsis, Dimosthenis (Chapter, 2022)This paper considers a simplified microgrid derived from the CIGRE benchmark, and investigates the impact of harmonic loading of the distribution transformer on its reliability. As a means to alleviate the considerable ... -
Investigation of the Effect of Operating Conditions on Reliability of DC-link Capacitors in Microgrids
Berg, Sondre Johan Kjellin; Vadlamudi, Vijay Venu; Göthner, Fredrik T. B. W.; Peftitsis, Dimosthenis (Chapter, 2020)This paper considers a microgrid system where the impact of different non-ideal operating conditions on the reliability of the DC-link capacitor in three phase inverter systems is investigated. Rather than focusing on the ... -
Solid State Circuit Breakers In Medium Voltage Direct Current Systems - Designing, improving and optimizing solid state circuit breakers for MVDC applications
Berg, Sondre Johan Kjellin (Master thesis, 2018)In this text three different solid state circuit breakers (SSCB) for medium voltage direct current (MVDC) systems have been investigated, namely the interrupting, the current limiting and the resistive topologies. In ...