Examination of breaker-based protection systems for implementation in LVDC SSCB applications

In an effort to simplify the stages of converting power into its most basic form, new microgrids will be conceptualized in the DC format rather than the AC format. This has become a trend in the field of power electronics that is likely to continue. Power systems and power conversion components are increasingly available however, in terms of DC circuit breakers, many designs are presently in the experimental stages. The most noteworthy disadvantage of this kind of system is that interrupting current that does not have zero crossing causes a sustained power arc. This type of DC circuit breaker demonstrates the advantages of its application in consumer electronics. Motivations for the development of the solid-state type of power switching device as a new power device for DC power networks instead of electromechanical circuit breakers are also discussed at length. This switching device should incorporate power MOSFET and BJTs. In this paper, such a device is examined along with its performance. The IGBT model's simulated switching time is displayed. It is further improved with capacitors which gives it a slightly faster switching time.