Table 4 Port state and control mode of deceleration condition
From: A hierarchical coordinated control strategy based on multi-port energy router of urban rail transit
Case | Status | Control mode | |||
|---|---|---|---|---|---|
| Â | PV | SOCSc | PV | Sc | Grid |
Day | Â | Â | Â | Â | Â |
C4.1 | Adequate |  < 80% | PC-P&O | VC | D |
C4.2 | Adequate | 80–90% | PC-P&O | VC | D |
C4.3 | Adequate |  > 90% | PC-P&O | D | D |
Night | Â | Â | Â | Â | Â |
C4.4 | Deficient |  < 90% | D | VC | D |
C4.5 | Deficient |  > 90% | D | D | D |