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Hydro Technology by Mavel
Contents
* Introduction
* Mavel Overview
* Pelton
* Francis
* Micro Turbine
* Kaplan Pit Turbine
* Vertical Kaplan Turbine
* Conclusion
Hydro Technology by Mavel
Introduction
- Technology is an enabler
- Improve efficiency
- Improve reliability
- Reduce cost
- Design
- CFD
- Controls
- Manufacturing
- Optimize / customize for each site
- Proven Technology + Innovation + Adaptation = Success
Hydro Technology by Mavel
Focus: Small Hydro – up to 30 MW
Product Expertise: Turbines: Kaplan, Francis, Pelton and Micro
Experience: 400+ turbines installed in 18 years
Ownership: 50% American / 50% Czech
Production Capability: Two European Facilities; 200 employees
Sales/Service Territory: Americas, Europe, Africa and Parts of Asia
Quality: ISO 9001:2008 Certified
Technical Capacity: 40 Engineers, 85 Proprietary Designs, In-house R&DCzech Technical University hydraulic lab
Mavel Overview
Hydro Technology by Mavel
Mavel Turbines
Kaplan Turbines
PIT Turbine
Bulb Turbine
Vertical Turbine
“Z” Turbine
“S” Turbine
Francis Turbines
Horizontal
Vertical
Pelton Turbines
Horizontal
Vertical
Micro Turbines
3 kW – 30 MW
Hydro Technology by Mavel
Pelton Turbines
• Runners: 300 mm to 2000 mm
• 1 to 6 Jets
• Vertical or Horizontal
• Head: 160 to 3300 ft (50 to 1000 m)
• Flow: 3.5 to 350 cfs (0.1 to 10 cms)
• Power Output: Up to 30 MW
Hydro Technology by Mavel
Pelton Turbines
Innovation: • external distributor
• compact powerhouse
• reduced civil cost
• improved runner design
• CNC machined runners
• optimal runner size
• optimal jets
• match the site
Hydro Technology by Mavel
Francis Turbines
• Runners: 400 mm to 2000 mm
• Vertical or Horizontal
• 6 specific speeds
• Head: 50 to 1000 ft (15 to 300 m)
• Flow: 17.5 to 1250 cfs (0.5 to 35 cms)
• Power Output: Up to 25 MW
Hydro Technology by Mavel
Kaplan Turbines
• Runners: 500 mm to 4500 mm
• Vertical or Horizontal
• Type: “S”, Bulb, Pit, and “Z”
• Power Output: 25 kW to 25 MW
• Head: 5 to 115 ft (1.5 to 35 m)
• Flow: 32 to 3200 cfs (0.9 to 90 cms)
• Innovation:
• CNC machined runners
• control of blades and gates
• gear box, belt drives
• wider head / flow range
Hydro Technology by Mavel
Low Head Technologies
- Applications for low head sites
- Irrigation Systems
- Non Powered dams
- Water treatment plants
- “Conduit Exemption”
- Micro Turbine
- Kaplan Pit Turbine
- Vertical Kaplan
Hydro Technology by Mavel
Micro Turbine: Overview
• Head: 5 to 20 ft (1.5 to 6 m)
• Power: up to 180 kW per Unit
• 3 different sizes
• MT3
• MT5
• MT10
• No need for a powerhouse
• Complete package
• Cost effective
• Easy to install
• Minimal civil work
• Siphon type turbine
• Propeller runner
• pitch can be manually adjusted
• Belt drive
• Very low maintenance costs
• Proven: 50 turbines, 30 locations,
since 1996
Hydro Technology by Mavel
Micro Turbine: Applications
• Existing Unpowered Dam
• Irrigation Canal
• Water Treatment Plant
• Low Flow Unit
Oomachishi, Japan
MT5
Hydro Technology by Mavel
Micro TurbineOlawa Micro Hydroelectric Power Plant, Poland
• Head: 11.5 ft (3.5 m)
• Flow: 140 cfs (3.9 cms)
• Type: Three x MT10
• Power Output: 300 kW (100 kW each)
• Year Commissioned: 2006
• Runner diameter: 1000 mm
Hydro Technology by Mavel
Mavel Kaplan Pit TurbineRunner Diameters 2000 mm to 4500 mm
Number of Runner Blades 3 or 4
Head 5 to 35 ft (1.5 to 10 m)
Flow 530 to 3200 cfs (15 to 90 cms)
Power Output 500 kW to 8,000 kW
Transmission Parallel Gearbox
Hydro Technology by Mavel
Mavel Kaplan Pit Turbine: Applications
• Low Head Sites
• Alternative to Kaplan S Turbine for Larger Sites
• Powering Existing Lock and Dam Facilities
• Installation/Replacement in Existing Power Plants
Hydro Technology by Mavel
Mavel Kaplan Pit Turbine
Lovosice Hydroelectric Power Plant, CZ
• Head: 6.2 ft (1.9 m)
• Flow: 5650 cfs (160 cms)
• 4 Kaplan Pit Turbines
• Runner Diameter: 3000 mm
• Total Installed Power: 2650 kW
• 662 kW each
• Year Commissioned: 2010
• Innovation:
• number of turbines
• minimize civil work
• powerhouse can be
submerged
Hydro Technology by Mavel
Lovosice Hydroelectric Power Plant, CZMavel Kaplan Pit Turbine
Interior of Powerhouse
Hydro Technology by Mavel
Pit Turbine
• Bulkheads
• Gate actuator
• Runner
• Transition from pit to
draft tube
Hydro Technology by Mavel
Mavel Vertical Kaplan Turbine
Runner Diameters 850 mm to 3400 mm
Number of Runner Blades 4 or 5
Head 5 to 100 ft (1.5 to 30 m)
Flow 32 to 3200 cfs (0.9 to 90 cms)
Power Output 10 kW to 24,000 kW
Transmission Direct Drive, Belt Drive or Parallel Gearbox
Infernos HPP, Portugal - 1019 kW Vertical Kaplan
Hydro Technology by Mavel
Mavel Vertical Kaplan Turbine: Applications
• Francis/Original Turbine Replacement
• Wider Operating Range
• Double Regulated
• Minimal Civil Reconstruction
• Higher Turbine Efficiency
• Low Head Sites
• Existing Lock and Dam Facilities
• Custom design
Layout of Mavel Vertical Kaplan Turbine
Hydro Technology by Mavel
Mavel Vertical Kaplan Turbine
Boatlock Hydroelectric Station, USA
• Replacement of Original Francis Turbine with New Mavel Vertical Kaplan
• Increased Power Output Threefold
• Increased capacity
• Output: 704 kW
• Head: 19.7 ft (6 m)
• Flow: 465 cfs (13.2 cms)
• Runner Diameter: 1600 mm
• Year Commissioned: 2010
Hydro Technology by Mavel
Kaplan Efficiency
• Flat efficiency curve over a wide flow range– 20% to 100%
of rated flow
• Francis has low efficiency at low flow; 35% minimum
Hydro Technology by Mavel
Conclusions
• Continuous Innovation and Adaptation
• Modular Systems of Proven Equipment
• Adding New Sizes and Models to Existing Turbine Lines
• Efficiency Improvements
• Designs to Minimize Civil Costs
• Customized and Optimized Turbines for Each Site
• Use the 100 years of knowledge and improve
Hydro Technology by Mavel
[email protected] www.mavel.cz