| ADN | Active distribution networks. |
| ALO | Ant lion optimizer algorithm. |
| CTI | Coordination time interval. |
| DOCRs | Directional overcurrent relays. |
| DG | Distributed generation. |
| DS-DOCRs | Dual-setting directional overcurrent relays. |
| MCS | Monte Carlo simulation. |
| MGs | Microgrids. |
| OLF | Overload factor. |
| OCR | Overcurrent relay. |
| PS | pickup (plug) setting. |
| PFMC | Probabilistic model of fuzzy Monte Carlo. |
| Probability density function. | |
| P/B | Primary/backup. |
| SGs | Smart grids. |
| TMS | Time multiplier setting. |