Configuration strategy and operation mode design under multi-objective optimisation framework in an off-grid optical storage microgrid
, , , , et
17 mars 2025
À propos de cet article
Publié en ligne: 17 mars 2025
Reçu: 27 oct. 2024
Accepté: 12 févr. 2025
DOI: https://doi.org/10.2478/amns-2025-0185
Mots clés
© 2025 Zhaobin Wu et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Characteristic parameters of different types of energy storage batteries
| Battery type | VRLA-B | VRLA-CAP | LFP | V-redox | NaS |
| 1025 | 1050 | 3225 | 3750 | 2780 | |
| 1060 | 850 | 1080 | 1080 | 950 | |
| 320 | 320 | 0 | 205 | 0 | |
| 35 | 35 | 151 | 130 | 132 | |
| Efficiency η/% | 0.75 | 0.80 | 0.75 | 0.85 | 0.70 |
| Life/Year | 5 | 4 | 10 | 10 | 12 |
| SOC range | 0.3~0.8 | 0.1~0.8 | 0.2~0.8 | 0.1~0.9 | 0.3~0.9 |
Configuration parameters of the two simulation scenarios
| Result parameter | Scenario 1 | Scenario 2 |
| Optical storage microgrid photovoltaic system configuration capacity (kW) | 7.25 | 10.00 |
| Energy storage system configuration capacity (kWh) | 18 | 24 |
| Investment cost of micronetwork operators (10,000 ¥) | 1015.755 | 1638.427 |
| Operation and maintenance cost of microgrid optical storage system (10,000 ¥) | 118.52 | 135.33 |
| Operating cost of micro network operator (10,000 ¥) | 143.886 | -820.251 |
| Annual cost of microgrid optical storage system (10,000 ¥) | 1230.705 | 939.885 |
| Distribution network operator investment cost (10,000 ¥) | 183.450 | 0 |
| Operating income of distribution network operators (10,000 ¥) | 225.056 | -584.818 |
| Peak cutting rate (%) | 90.325 | 88.371 |
Optical storage joint configuration parameters
| Configuration item | VRLA-B | VRLA-cap | LFP | V-redox | NaS |
| Photovoltaic theoretical capacity /kW | 285 | 285 | 285 | 285 | 285 |
| Theoretical energy storage capacity /kW·h | 850 | 675 | 675 | 724 | 675 |
| σ |
0.015 | 0.015 | 0.015 | 0.015 | 0.015 |
| σ |
0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
| Annual cost of energy storage/¥ | 5218.52 | 5154.82 | 7745.56 | 10250.86 | 8037.47 |
| Energy storage replacement times | 3 | 4 | 1 | 1 | 1 |
| Initial investment in energy storage / 10,000¥ | 121.50 | 65.35 | 247.75 | 325.31 | 256.37 |
| Total energy storage investment / 10,000¥ | 492.50 | 391.58 | 487.38 | 645.77 | 509.68 |