A new Forster 220kW Francis turbine has been successfully installed at a hydroelectric facility in Bulgaria, marking a significant step in the country’s efforts to expand its renewable energy infrastructure. While specific details about the Bulgarian installation are not available in the search results, the installation of such turbines generally follows strict technical guidelines and procedures to ensure efficiency and reliability.
Technical Specifications of Francis Turbine Generator Are As Follows
| Net Head | Hr | 95 | m |
| Gross Head | Hmax | / | m |
| Design Flow Rate | Qr | 0.28 | m³/s |
| Maximum Flow | Qmax | / | m³/s |
| Altitude | ▽ | / | m |
| Power | P | 1×220 | kW |
| Turbine | Generator | ||
| Model | XJA-W-40/1×9.5 | Model | SFWE-W200-6/650 |
| Unit Flow Q11 | Rated Efficiency of Generator ηf | 94% | |
| Unit Rotating Speed n11 | 41r/min | Frequency of the generator f | 50Hz |
| Max Hydraulic Thrust Pt | 0.8 | Rated voltage of generator V | 400V |
| Rated rotating speed r | 1000r/min | Rated current of the generator I | 361A |
| Model Efficiency of turbine ηm | 83.50% | Excitation | Brushless excitation |
| Max Runway speed nfmax | 1706r/min | Connection way | Direct connection |
| Rated Output Nt | 218kW | Max runaway speed nfmax‘ | 2000r/min |
| Rated Discharge Qr | 0.28m³/s | Rated rotating speed nr | 1000r/min |
| Turbine real machine efficiency ηr | 86% | Unit support form | Horizontal 4 point |
Technical Excellence and Installation Precision
The installation of Francis turbines, like the 220kW unit from Forster, requires meticulous adherence to established technical standards and procedures.
The Role of Francis Turbines in Modern Hydropower
Francis turbines are known for their versatility and efficiency, operating effectively across a wide range of water heads and flow conditions. They are a popular choice for small to medium-sized hydropower projects globally. The 220kW capacity of this Forster turbine makes it suitable for local, decentralized energy generation, contributing to grid stability and providing renewable electricity to rural or industrial areas.
Implications for Bulgaria’s Energy Sector
The deployment of this turbine supports Bulgaria’s renewable energy goals and aligns with broader European efforts to transition towards clean energy sources. It highlights a commitment to leveraging domestic hydropower resources, reducing reliance on fossil fuels, and enhancing energy security.
Looking Ahead: The Future of Hydropower in Bulgaria
The successful installation of the Forster 220kW Francis turbine sets a positive precedent for future hydropower projects in Bulgaria and the region. It demonstrates the potential for further modernization of the country’s energy infrastructure through the adoption of efficient and reliable technologies.
Forster’s expertise in manufacturing hydro turbines, combined with careful installation practices, ensures that this project will provide sustainable energy for years to come. This initiative not only benefits the local community but also serves as a model for similar small-scale hydropower developments across Europe.
Post time: Sep-03-2025
