Figures & data
FIGURE 1. Topology of the DC–DC SBDO converter designed to support the balancing of bipolar DC microgrids.
![FIGURE 1. Topology of the DC–DC SBDO converter designed to support the balancing of bipolar DC microgrids.](/cms/asset/503709ea-3e6a-4bb4-be9b-0172f6f8a252/uemp_a_2196667_f0001_c.jpg)
FIGURE 2. First (a) and second (b) operation modes of the SBDO converter designed to be used in bipolar DC microgrids.
![FIGURE 2. First (a) and second (b) operation modes of the SBDO converter designed to be used in bipolar DC microgrids.](/cms/asset/49faafaa-524a-4271-8dd5-1aa8b3e394f9/uemp_a_2196667_f0002_c.jpg)
FIGURE 3. Current and voltage waveforms associated to the CCM of the proposed SBDO converter to be used in bipolar DC microgrids.
![FIGURE 3. Current and voltage waveforms associated to the CCM of the proposed SBDO converter to be used in bipolar DC microgrids.](/cms/asset/d24270f7-24ad-412b-8f56-997299b6847e/uemp_a_2196667_f0003_c.jpg)
FIGURE 4. Comparison of the static input-to-output voltage gain function of the duty cycle between the classical Boost, the dual Boost, the Z-source converter, and the proposed SBDO converter.
![FIGURE 4. Comparison of the static input-to-output voltage gain function of the duty cycle between the classical Boost, the dual Boost, the Z-source converter, and the proposed SBDO converter.](/cms/asset/8564012d-4b9f-47ee-ab42-3e12c4442ce2/uemp_a_2196667_f0004_c.jpg)
FIGURE 5. Results obtained by simulation of the SBDO converter designed for the bipolar DC microgrid: (a) voltages of the input source and SBDO converter output; (b) voltages over transistors S1 and S2; (c) input current of the proposed SBDO converter.
![FIGURE 5. Results obtained by simulation of the SBDO converter designed for the bipolar DC microgrid: (a) voltages of the input source and SBDO converter output; (b) voltages over transistors S1 and S2; (c) input current of the proposed SBDO converter.](/cms/asset/4dd2fde3-403d-42cb-8492-d0dcb7d3e762/uemp_a_2196667_f0005_c.jpg)
FIGURE 6. Results obtained by simulation of the SBDO converter designed for the bipolar DC microgrid when there is a suddenly change in the load connected to the negative pole: (a) Output currents of the proposed SBDO converter and (b) voltages across capacitors C1 and C2.
![FIGURE 6. Results obtained by simulation of the SBDO converter designed for the bipolar DC microgrid when there is a suddenly change in the load connected to the negative pole: (a) Output currents of the proposed SBDO converter and (b) voltages across capacitors C1 and C2.](/cms/asset/c728264e-0e96-4fed-b3a8-574362f02380/uemp_a_2196667_f0006_c.jpg)