Mini Voith Global Perspective, Local Solutions

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1 Mini Voith Global Perspective, Local Solutions

Mini Hydro @ Voith Utilizing Untapped Potential Installation of Power Generation at

2 Mini Voith Utilizing Untapped Potential Installation of Power Generation at Existing Sites Electrification of Decentralized Communities Realize Energy Recovery

3 Small Voith Within Small Hydro, Voith has revitalized its product line, drawing on its best solutions available globally to provide excellent value locally. Innovative, high quality design, material, and manufacturing are ensured by Voith Center of Competence in Austria, Koessler. Turbine Systems Low-Voltage Generator Systems Valves and other Mechanical Systems Electrical Protection and Control Equipment Smart, Integrated Plant and Civil Concepts

4 Mini Hydro Application Range Mini Hydro includes 5 different turbine solutions All are Kaplan-, Francis- or Pelton-Type Turbines Standard Low-Voltage Electrical Product Line Heads from 2 to 200 meters (6 to 650 feet) Output per Unit from 100 to 1,200 kw per unit

eq - Vertical Kaplan Turbine Generator Unit Kaplan - Vertical 2 to 10 m (6 to 33 ft) 2 to 20 m³/s (70 to 700 ft 3 /s) Up to 1,000 kw Design Features Vertical, double-regulated

5 eq - Vertical Kaplan Turbine Generator Unit Kaplan - Vertical 2 to 10 m (6 to 33 ft) 2 to 20 m³/s (70 to 700 ft 3 /s) Up to 1,000 kw Design Features Vertical, double-regulated Kaplan Short erection time due to pre-assembled parts Compact design optimized to limit civil structure Directly coupled generator or speed increaser Maintenance-friendly, modular design

6 eq - Horizontal or Vertical Francis Turbine Generator Unit Francis Horizontal Up to 150 m (490 ft) 0.5 to 3 m³/s (17 to 110 ft 3 /s) Up to 1,200 kw Design Features Vertical or horizontal Francis unit Drinking water applications Compact, pre-assembled design Optimized inlet and draft-tube parts High-quality milled runner in-house in Austria

eq - Vertical or Horizontal Pelton Turbine Generator Unit Pelton Vertical & Horizontal Up to 200 m (650 ft) Up to 1 m³/s (36 ft 3 /s) Up to 1,200 kw Design Features Vertical or

7 eq - Vertical or Horizontal Pelton Turbine Generator Unit Pelton Vertical & Horizontal Up to 200 m (650 ft) Up to 1 m³/s (36 ft 3 /s) Up to 1,200 kw Design Features Vertical or horizontal Pelton unit Design with 1 to 6 nozzles Inner-regulated nozzles with hydraulic actuator Compact set with integrated generator Encased in concrete or free-standing Jet deflector

8 StreamDiver Turbine Generator Unit StreamDiver 2 to 8 m (6.5 to 27 ft) Up to 14 m³/s (500 ft 3 /s) Up to 850 kw Design Features Designed for cost effective civil integration Direct-driven permanent magnet generator Water lubricated bearings Completely oil and grease-free Maintenance-friendly by simplified design Runner regulation or variable speed optional

9 Integration Examples of StreamDiver TM Hydro Plants Focus is flexible integration and reduction of civil Run of river in diversion-type plants Run of river as overflowed concept Open canals for irrigation or cooling water Closed pipe systems

Generation Type Rated Net Head SD 13.10 (10 Units) PMG, 300 rpm 3.

10 Application South Bend Bypass Channel / Canal Project Data Location South Bend, Indiana, USA Start-up 2018 Unit Type Generation Type Rated Net Head SD (10 Units) PMG, 300 rpm 3.17 m Rated Discharge 99 cms (110 3 /yds ) Rated Output Operation 2,500 kw Fixed-speed

11 Application South Bend

12 Application South Bend

13 Application South Bend 10x StreamDiver units (in stacked formation) incl. shut-off valves control room (E-house) incl. cabinets bypass (debris, fish) 83 m³/s (2,931 cfs) location of horizontal trash rack location of fish migration system

14 StreamDiver Units in Production Units in Assembly Shipment in 2018

Type Rated Net Head Rated Discharge Rated Output Operation SD 13.

15 Application - Peru Energy Recovery power plant using residual head Project Data Owner Location N.D. Huampani, Peru Start-up 2018 Unit Type Generation Type Rated Net Head Rated Discharge Rated Output Operation SD (2 Units), Existing Channel, Overflowed Plant PMG, 327 RPM 4.5 m 18 cms 700 kw Fixed-speed

16 Application - Peru Workshop and Delivery

17 Application - Peru Installation

18 Prototype Operation in Nussdorf (Austria) 5 years of Maintenance-free Operation Turbine Data: Power Unit: SD (Ø 1310 mm) Power: 314 kw / max. 450 kw Net head: 3.58 m / max m Flow: 9.96 cms Generator speed: 333 rpm, 50 Hz Project Status: Commissioned August 2012 Operating hours: > 40,000 hrs Exported electricity: > 10.0 GWh On-site inspections: 2 18

temperature and leakage sensors functioning properly

19 Housing After 42 Months of Operation Shows Slight Organic Layer, but Intact Coating Generator leakage test good, temperature and leakage sensors functioning properly Anti-corrosion coating intact (covered by thin organic layer) 19

20 Unit in Excellent Condition Runner blade condition excellent, proper tip clearance maintained, no abrasion, cavitation Guide vane coating intact with some impacts on leading edge 20

Tubular Kaplan Turbine Generator Unit Tubular Turbine Up to 20 m (66 ft) Up to 4 m³/s (140 ft 3 /s) Up to 250 kw Design Features Fixed or variable blades Cost-efficient off-the-shelf generator

21 Tubular Kaplan Turbine Generator Unit Tubular Turbine Up to 20 m (66 ft) Up to 4 m³/s (140 ft 3 /s) Up to 250 kw Design Features Fixed or variable blades Cost-efficient off-the-shelf generator Higher head through serial arrangement Higher flow through parallel arrangement Tubular design with high setting - easy access Special application in drinking water, treatment plants, irrigation

22 Application Examples To sustainable discharge: Dam, Weir To open channels: Irrigation canal, River To mid-point of piping: Waterworks, Industrial water To water tank: Sewage, Factory utility

23 Irrigation Application Nogawa Project Data Owner Location N.D. Japan Start-up 2013 Unit Type Generation Type Rated Net Head Rated Discharge Rated Output Operation L Series Asynchronous 7.2 m 2.2 cms 125 kw Variable Blades

24 PRV Application Kotsube Project Data Owner Location N.D. Japan Start-up 2013 Unit Type Generation Type Rated Net Head Rated Discharge Rated Output Operation M Series Asynchronous 17 m 1.53 cms 198 kw Variable Blades

25 PRV Application Kotsube

26 Other Applications Morigasaki Sewage Plant (East) Sewage Water Treatment Plant Output: 94 kw Start-up: 2004 Single unit installation, Type L, movable blades.

Standardized Mini Hydro Automation Solutions Low Voltage Control and Protection Low voltage circuit breaker assembly Protection and synchronization Central plant control (common control) via

27 Standardized Mini Hydro Automation Solutions Low Voltage Control and Protection Low voltage circuit breaker assembly Protection and synchronization Central plant control (common control) via integrated HMI Automatic voltage regulator (AVR) * Remote monitoring and alarming system House supply for support systems (motors and actuators) Uninterruptible power supply (UPS) (option) Pre-assembled stand-alone container system (option) Island operation system (option) * not standard for permanent magnet generator

28 HyService The Six Business Segments A 360 Approach Refurbishment & Upgrade Spare Parts Assessment & Consulting Education & Training Repairs Maintenance Voith HyService 28

29 Service and Support for All Voith Brands AEG / Hydro Allis Chalmers Ebara Fuji Electric Kössler S. Morgan Smith Shanghai Hydro-Power Equip. Co. Siemens TDPS (Toyo Denki) VG Power Vortex Hydrosystems Westinghouse Generators Riva, Tosi, Ansaldo, Hydroart Voith HyService 29

30 The Future is Mini. Mini Voith stands for comprehensive solutions for the sustainable generation of electricity from small hydro resources. Standardized products for individual applications provide high performance, quality and cost-efficiency at the same time.

31 Contacts: Daniel P. Olson Steven R. Potter Small Hydro Manager U.S. Western Regional Manager Tel: Tel: daniel.olson@voith.com steven.potter@voith.com

Bringing Untapped Hydropower to Reality

voith.com Bringing Untapped Hydropower to Reality Whitepaper 2018 Voith Mini Hydro Solutions 1 Reducing Interfaces by Turnkey Solutions 2 Customized Solutions for Standard Applications 3 Water-to-Wire