sa first presentation 2015 copy pdf
TRANSCRIPT
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EnergyDriveEnergyDrive offers a Zero CAPEX and
“Zero-Budget” energy saving solution that ensures guaranteed minimum saving, at minimum risk to the client, with verifiable on-line data.
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Energydrive SA Overview• Started Jan 2011 in Durban SA • 7 equal share partners (5 of the 7 are UK citizens) • We run a flat management structure, for high collaboration and have a highly trained and diverse support team.
• Currently controlling 17MW of motors in SA • 200 systems country wide • Fully privately funded
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Four hurdles EnergyDrive OvercomesNEED FOR CAPEX FINANCE:
Typical installation paybacks are in excess of 3 years
THE MEASUREMENT AND VERIFICATION DILEMMA: How to create a verified, realistic base line, and track the actual savings
PLANT DOWN TIME: The risk that VSD failure can cause plant down time, thereby wiping out any
savings created
TECHNICAL RESOURCES: Finding the technical staff for such projects
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Speed Law Effect
0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0 22.5 25.0 27.5 30.0 32.5 35.0 37.5 40.0 42.5 45.0 47.5 50.0
Flow 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Pressure 0 0 1 2 4 6 9 12 16 20 25 30 36 42 49 56 64 72 81 90 100
Power 0 0 0 0 1 2 3 4 6 9 13 17 22 27 34 42 51 61 73 86 100
0
10
20
30
40
50
60
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Pow
er (k
W)
Speed (Hz)
Flow, Pressure, Power vs Speed Law
Flow
Pressure
Power
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EnergyDriveCase study 1:
Gas Fume Extraction fans
2 x 2.5MW @ 6.6kV
61%kWh savings
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Pressure Before ED
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Pressure After ED
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Power Before ED
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Power After ED
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VSD E-cabins with Aircon
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Link panel arrangement
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EnergyDriveCase study 2:
Gas Fume Extraction fans
2 x 1MW @ 3.3kV
63% kWh savings
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EnergyDriveCase study 3:
Sappi Stanger
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EnergyDriveCase study 4:
Hot Melt Cooling towers
72%kWh savings
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EnergyDrive
LV over view
8MW of 400 / 525V applications
63% overall kWh savings
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All spend to Electrcitity New Electricity is predicted Energy Saving is BETTER than predicted
Energy Saving is WORSE than predicted
EnergyDrive: Diagrammatic Explanation of Contract
Existing Spend Contractural Figures Scenario A Scenario B
using an example of 10% Minimum Guarantee
Client Savings: Nil Client Savings: Guaranteed Client Savings: increases (client enjoys benefit)
Client Savings: unchanged (minimum guaranteed)
ED Fee: Nil ED Fee: annualised, billed monthly ED Fee: stays the same ED Fee: must reduced
Guaranteed saving to Client Annualised
R 1 000
R 100R 200
R 100
R 300
R 600
R 300
R 500
R 200
R 700
Total Annualised without VSD R 1 000 R 1 000 R 1 000 R 1 000
Summary of ExampleEquipment installed at Zero cost
Guaranteed minimum saving of 10%Full maintenance and 5 year warranty
Energy Drive Fee Annualised
Electricity account payment Annualised
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EnergyDriveWhat opportunities we can work with?
1. Cooling Tower Fans2. Cooling Water Pumps3. ID / FD fans4. Fume Extraction fans5. Bag house fans6. Vacuum Pumps
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