Elektro Ljubljana distribution model
1,616 nodes · 110/20/0.4 kV · with PV
- Overvoltage node near PV
- 1.065 → 1.012 p.u.
- Undervoltage node in PV micro-grid
- 0.918 → 0.958 p.u.
- Computation time
- 76 s, office PC
Research & validation
Built on peer-reviewed research, validated on utility models.
OptiVolt originates from MSc research at Ss. Cyril and Methodius University, Skopje (FEEIT, 2024) on voltage regulation through optimised smart-inverter control.
Simulation results
Elia–TenneT transmission model
19 busbars · 10.5–400 kV · voltage-control shunts off
- Busbars within ±5%
- 3 → 19 of 19
- Active power losses
- −21%
Results are steady-state simulations on utility network models (TRL 4). The next step is a pilot on real feeders to reach TRL 5.
Publications
- COMPELVoltage Control in Power Networks Based on Smart Inverters Functions and Implementation of Sparrow Optimisation Algorithm
- IEEESmart Inverters and Optimisation Algorithm in Function of Dynamic Voltage Control in Power Networks
- CIGRE-CIRED Slovenia 2023Network model interoperability
- SAEM 2022Smart voltage control
Founder
Darko Vidinikj
Power-systems engineer
Darko leads the development of OptiVolt, building on his MSc research and published work on smart voltage control and network model interoperability. Based in North Macedonia and familiar with the national grid code, he works closely with operators to shape the product around real network needs.