1. CONVEYOR BELTS

2. REFERENCE 1 Coal unloader in New South Wales ’ Upper Hunter Valley (Australia) to supply Australia ’ s largest coal electricity generator. The power station relies on coal supplies from nearby mines (now depleted) or rail via the Ravensworth Coal Unloader. 15 million tonnes p.a.

3. LAYOUT / 1 Master w/Speed Controller – 900kW Torque Follower w/Speed Limit – 900kW Speed Follower w/Torque Limit – 900kW Big conveyor (5km long) driven by: Shorter conveyor (500m long) driven by: Single Drive – 500kW

4. LAYOUT / 5

5. LAYOUT / 2 All drives are supplied using Regenerative Units for regeneration better harmonics

6. LAYOUT / 3

7. LAYOUT / 4 One located at the rail unloader station for the 500kW drive (which powers the shorter conveyor) and for the 900kW drive at the tail of the belt One for the two 900kW drives which pull the belt overland Two switchrooms:

8. Settings for Master-Slave Operation Drives on top of the belt Analog Outputs Menu and Motor Configuration Menu MASTER: P177AO1 -> Displayed Quantity Selection10:Torque Demand P182AO1 -> Minimum Value0.0V P183AO1 -> Maximum Value10.0V C011Type of ReferenceSpeed SLAVE: C011Type of ReferenceTorque both inverters: C008Mains Voltage6T Regen C010Control ModeFOC C016Rated Speed1488rpm C017Rated Power900kW C018Rated Current890A MASTER / SLAVE

9. REFERENCE 2 El Abra (Chile) - open-pit copper mining complex at 2400 meters above sea level. 3 conveyor belts, capacity: 2400 tons each; length 50 m motors: 375kW, 400Vac, 50 Hz, 1500 RPM Inverters: Sinus Penta 0831-4T.

10. PICTURE 1

11. PICTURE 2

12. PICTURE 3

13. PICTURE 4