Figures & data
Figure 1. Cross ZCB (Corzine & Ashton, Citation2012).
![Figure 1. Cross ZCB (Corzine & Ashton, Citation2012).](/cms/asset/8bea60ba-73b4-43fd-bd3b-eb178b1a5bbe/oaen_a_2340275_f0001_b.jpg)
Figure 2. Parallel ZCB (Corzine & Ashton, Citation2011).
![Figure 2. Parallel ZCB (Corzine & Ashton, Citation2011).](/cms/asset/2398962f-7bd7-45f3-a8a2-56c3360f3895/oaen_a_2340275_f0002_b.jpg)
Figure 3. Series ZCB (Chang et al., 2016; Chang et al., Citation2013).
![Figure 3. Series ZCB (Chang et al., 2016; Chang et al., Citation2013).](/cms/asset/90ce497f-9963-4140-9c80-303ade6777b1/oaen_a_2340275_f0003_b.jpg)
Figure 4. (a) and (b) Two modified ZCB (Overstreet et al., Citation2014).
![Figure 4. (a) and (b) Two modified ZCB (Overstreet et al., Citation2014).](/cms/asset/cfdce170-bbf7-4d85-9069-13155430c01d/oaen_a_2340275_f0004_b.jpg)
Figure 5. ZCB with coupled inductors (Maqsood & Corzine, Citation2015b).
![Figure 5. ZCB with coupled inductors (Maqsood & Corzine, Citation2015b).](/cms/asset/617c3f8a-1ad3-4ed9-af0f-95b953cc8945/oaen_a_2340275_f0005_c.jpg)
Figure 6. ZCB with transformer (Li et al., Citation2019).
![Figure 6. ZCB with transformer (Li et al., Citation2019).](/cms/asset/e4e099e4-663d-4a3e-928f-3ac5e40a142f/oaen_a_2340275_f0006_b.jpg)
Figure 7. Modified series ZCB convenient for loads with power electronic converters (Surwade et al., Citation2020).
![Figure 7. Modified series ZCB convenient for loads with power electronic converters (Surwade et al., Citation2020).](/cms/asset/3d0c4fb1-37b9-4a57-acd9-0b568e620404/oaen_a_2340275_f0007_b.jpg)
Figure 8. Modified series ZCB with enhanced performance during commissioning and reclosing (Raghavendra et al., Citation2022).
![Figure 8. Modified series ZCB with enhanced performance during commissioning and reclosing (Raghavendra et al., Citation2022).](/cms/asset/c90dc6b0-55f5-4c80-905f-199a36f3538b/oaen_a_2340275_f0008_b.jpg)
Figure 9. (a) and (b) are two configurations of bidirectional cross ZCB (Maqsood & Corzine, Citation2014).
![Figure 9. (a) and (b) are two configurations of bidirectional cross ZCB (Maqsood & Corzine, Citation2014).](/cms/asset/692a8c7e-8b3c-4ef0-b5b2-91daec71eb55/oaen_a_2340275_f0009_b.jpg)
Figure 10. (a) Modified unidirectional and (b) Modified bidirectional ZCB with reclosing ability (Maqsood & Corzine, Citation2015a).
![Figure 10. (a) Modified unidirectional and (b) Modified bidirectional ZCB with reclosing ability (Maqsood & Corzine, Citation2015a).](/cms/asset/d6f8a76e-b72c-4587-aec9-f9a3323756e9/oaen_a_2340275_f0010_b.jpg)
Figure 11. ZCB with bidirectional fault current limiter and interrupter (FCLI) (Keshavarzi et al., Citation2017).
![Figure 11. ZCB with bidirectional fault current limiter and interrupter (FCLI) (Keshavarzi et al., Citation2017).](/cms/asset/bc0501a9-1349-4ec1-9f7b-ecff11eb1e78/oaen_a_2340275_f0011_b.jpg)
Figure 12. (a) Unidirectional coupled-inductor ZCB. (b): Bidirectional coupled-inductor ZCB (Maqsood & Corzine, Citation2016).
![Figure 12. (a) Unidirectional coupled-inductor ZCB. (b): Bidirectional coupled-inductor ZCB (Maqsood & Corzine, Citation2016).](/cms/asset/65672405-7566-4356-9043-2f8a22cbce72/oaen_a_2340275_f0012_b.jpg)
Figure 13. (a) Bi-directional ZCB (b) Bi-directional ZCB with coupled inductor (Savaliya et al., Citation2016).
![Figure 13. (a) Bi-directional ZCB (b) Bi-directional ZCB with coupled inductor (Savaliya et al., Citation2016).](/cms/asset/4445220f-242c-4dc7-88e4-a7869044e383/oaen_a_2340275_f0013_b.jpg)
Figure 14. A bidirectional series ZCB (Ryan et al., Citation2018).
![Figure 14. A bidirectional series ZCB (Ryan et al., Citation2018).](/cms/asset/c2510768-6e59-490b-a577-51603b447d09/oaen_a_2340275_f0014_b.jpg)
Figure 15. Bidirectional solid-state circuit breaker for DC microgrid (Wang et al., Citation2019).
![Figure 15. Bidirectional solid-state circuit breaker for DC microgrid (Wang et al., Citation2019).](/cms/asset/56d35c7a-e4a3-4ac2-8cf5-c2a7ab6f9a2a/oaen_a_2340275_f0015_b.jpg)
Figure 16. Modified bi-directional ZSB with a coupled inductor (Bi-CZCB) (Savaliya & Fernandes, Citation2018; Savaliya & Fernandes, Citation2021).
![Figure 16. Modified bi-directional ZSB with a coupled inductor (Bi-CZCB) (Savaliya & Fernandes, Citation2018; Savaliya & Fernandes, Citation2021).](/cms/asset/6669340d-d992-4d42-a7ff-9a181698aa29/oaen_a_2340275_f0016_b.jpg)
Figure 17. (a) Unidirectional (AZCB). (b) bidirectional (AZCB) (Shu et al., Citation2020).
![Figure 17. (a) Unidirectional (AZCB). (b) bidirectional (AZCB) (Shu et al., Citation2020).](/cms/asset/6201bd0f-cd20-4c93-907a-43234dbba0e8/oaen_a_2340275_f0017_b.jpg)
Figure 18. A coupled-inductor-based bidirectional ZCB (CI-BZCB) (Marwaha et al., Citation2020).
![Figure 18. A coupled-inductor-based bidirectional ZCB (CI-BZCB) (Marwaha et al., Citation2020).](/cms/asset/ac3dedab-88e7-4cca-9cad-5e35538a562b/oaen_a_2340275_f0018_b.jpg)
Figure 19. A coupled-inductor-based bidirectional ZCB (Wang et al., Citation2021).
![Figure 19. A coupled-inductor-based bidirectional ZCB (Wang et al., Citation2021).](/cms/asset/034539be-fe20-45df-85be-1a9c0396f944/oaen_a_2340275_f0019_b.jpg)
Figure 20. Bidirectional ZCB with fault decision-making ability (Yang et al., Citation2021).
![Figure 20. Bidirectional ZCB with fault decision-making ability (Yang et al., Citation2021).](/cms/asset/017724d7-ed54-4a9f-ba51-fde5e3291cdf/oaen_a_2340275_f0020_b.jpg)
Figure 21. Bidirectional ZCB for fuel cell related system (Zhang et al., Citation2020).
![Figure 21. Bidirectional ZCB for fuel cell related system (Zhang et al., Citation2020).](/cms/asset/6277b068-f554-4ab2-86bc-eb03ea829814/oaen_a_2340275_f0021_b.jpg)
Figure 22. Bidirectional O-ZCB for DC microgrid protection (Zhou et al., Citation2021).
![Figure 22. Bidirectional O-ZCB for DC microgrid protection (Zhou et al., Citation2021).](/cms/asset/197c7e80-61c9-4d55-a504-59ca6a9906e7/oaen_a_2340275_f0022_b.jpg)
Figure 23. (a) Circuit breakers for DC microgrids (b) A variation to the circuit breakers (Corzine, Citation2015).
![Figure 23. (a) Circuit breakers for DC microgrids (b) A variation to the circuit breakers (Corzine, Citation2015).](/cms/asset/ebea257b-9688-40f9-bcca-7d6abb477ea7/oaen_a_2340275_f0023_b.jpg)
Figure 24. Γ-ZCB (Al-Khafaf & Asumadu, Citation2017).
![Figure 24. Γ-ZCB (Al-Khafaf & Asumadu, Citation2017).](/cms/asset/c7c4e5c3-1cad-4f94-99d8-7a23f83df995/oaen_a_2340275_f0024_c.jpg)
Figure 26. T-source circuit breaker (TCB) (Li et al., Citation2016).
![Figure 26. T-source circuit breaker (TCB) (Li et al., Citation2016).](/cms/asset/57485d90-bafc-424f-9ad1-98304846815e/oaen_a_2340275_f0026_c.jpg)
Figure 27. Bidirectional (TCB) series circuit (Song et al., Citation2019).
![Figure 27. Bidirectional (TCB) series circuit (Song et al., Citation2019).](/cms/asset/5cc92658-46d9-467d-87a2-4e5663826728/oaen_a_2340275_f0027_b.jpg)
Figure 28. A modified T-source circuit breaker for flexible DC distribution networks (Diao et al., 2021).
![Figure 28. A modified T-source circuit breaker for flexible DC distribution networks (Diao et al., 2021).](/cms/asset/b2338577-4e4f-4329-8a4d-ecaacc46f726/oaen_a_2340275_f0028_b.jpg)
Figure 29. Modified T-source circuit breaker for bidirectional operation in MVDC (Sapkota et al., Citation2020).
![Figure 29. Modified T-source circuit breaker for bidirectional operation in MVDC (Sapkota et al., Citation2020).](/cms/asset/4d78af14-2b72-44b3-8dc1-5ef081c3aed8/oaen_a_2340275_f0029_b.jpg)
Figure 30. Bidirectional T-source circuit breaker for low voltage DC distribution network (Song et al., Citation2021).
![Figure 30. Bidirectional T-source circuit breaker for low voltage DC distribution network (Song et al., Citation2021).](/cms/asset/4141fbc6-8ac1-41f3-b233-a993d8cf48fb/oaen_a_2340275_f0030_b.jpg)
Figure 31. Y-source impedance circuit breaker (YCB) (Al-Khafaf & Asumadu, Citation2018; Al-Khafaf & Asumadu, Citation2018).
![Figure 31. Y-source impedance circuit breaker (YCB) (Al-Khafaf & Asumadu, Citation2018; Al-Khafaf & Asumadu, Citation2018).](/cms/asset/3c271d6d-cdbe-4ebf-9a00-cd47f53e797c/oaen_a_2340275_f0031_c.jpg)
Table 1. A comparative review of various impedance source circuit breaker configurations.