Short-Circuit Protection Schemes for LVDC Microgrids Based on the Combination of Hybrid Circuit Breakers and Mechanical Breakers

<div>Transient stage during pole-to-pole fault: (1) VSC and (2) boost converter. (a) Capacitor discharging stage, (b) free-wheeling stage, and (c) current feeding stage.</div>

International Transactions on Electrical Energy Systems

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Figure 1

Figure 1: Short-Circuit Protection Schemes for LVDC Microgrids Based on the Combination of Hybrid Circuit Breakers and Mechanical Breakers 