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Transformer Oil Regeneration Technology
- 1. Copyright 2017 | STACO REOIL Transformer Oil Regeneration Engr. Rahul Kumar rahul@shameltrad.com +966 551888755 Skype: rahul_staco
- 2. About Ekofluid Copyright 2017 | STACO • First unit built in 1996 • Based in Austria , Europe • Production and Services • We know everything about transformer oil • 20 years of experience • > 5 mil. tons of oil regenerated • > 250 transformers • > 30 transformers with corrosive sulfur • Clients using our equipment ABB, Siemens
- 3. REOIL Technology Copyright 2017 | STACO • Corrosive Sulfur removal • Complete Oil regeneration like new oil • Highly effective moisture removal • Decrease in total sulfur content • Highly efficient elimination of DBDS • Mobile unit, Works on site • Works on a live transformer
- 4. Filtration vs Regeneration Copyright 2017 | STACO • Filtration removes primary contamination of transformer oil – i.e. moisture and gases. • Regeneration removes completely corrosive sulfur and aging byproducts – (micro particles of paper , wood and copper reaction) • Improves :- – Tan delta – Viscosity – Acidity – ( Neutralization) • Regeneration also improves the color of the contaminated Oil
- 5. Risk Factor Copyright 2017 | STACO • Corrosive oil • High working temperatures • Insufficient maintenance • Overloading of transformer • Insufficient cooling
- 6. Which transformers are at risk? Copyright 2017 | STACO • Primarily transformers built between 1999 – 2007 • Transformers after maintenance • Transformers after oil exchange • Transformers after top up of oil • Transformer already passivated
- 7. REOIL Plant Copyright 2017 | STACO • Ability to economically regenerate used transformer oil • Removes acidity , sludge and other ageing byproducts • Ability to regenerate adsorption media such as fuller earth • Entire process consists of two phases Regeneration phase Oil is heated then pumped through columns where activated media attracts ageing by products. Oil is then filtered and directed into the vacuum chamber for degassing Reabsorption phase Starts when activated media is fully saturated by controlling temperature, time, vacuum etc. Activated media is restored into original state. Process can be repeated more than 400 times before replacement
- 8. Performance Copyright 2017 | STACO • Single column can process +-550 liters of aged oil • Real life results exceed IEC 60422 values Property (Unit) IEC 60422 Value REOIL Guaranteed Value Dielectric Strength (kV/2.5mm) ≥50 ≥75 Dielectric Dissipation factor at 90℃ <0.01 <0.005 Neutralization number (mg KOH/g) <0.03 <0.01 Water Content (ppm) <10 <10 Interfacial Tension (mN/m) >35 >45
- 9. User Interface Copyright 2017 | STACO
- 10. Operations Copyright 2017 | STACO • 2 operators required for setup • No more than 2 hours of labor a day • Operator is only supervising • Access to the system controlled by password • System is fully automatic
- 11. Control Copyright 2017 | STACO • All units are fully automatic • Controlled by PLC Siemens SimaticS7 • Visualized by SCADA Promotic8 • All software runs on Windows 7 • SCADA installed on a notebook • Local Wi-Fi service • eWon3G remote access service
- 12. Compatibility & Reliability Copyright 2017 | STACO Reliability: • All critical components are manufactured in-house • All components are certified and conform to EU standards • Components from reputed and worldwide suppliers • All components are tested in-house before put into production Compatibility: • Comes in different modules/combinations • Regeneration process remains the same • Reabsorption process remains the same • Works in conjunction with existing equipment
- 13. Safety Copyright 2017 | STACO • Automatic operation with alarms • Automatic shutdown procedures • Pressure release valves • Aeration valves • Protection pots in front of pumps • Automatic inlet and outlet valve • Vacuum safety hoses • Transformer oil level monitoring
- 14. Training Copyright 2017 | STACO • Comprehensive training program • Training offered at customer’s workshop • Training offered in our own workshop • All training is done hands on with extensive documentation
- 15. Support Copyright 2017 | STACO • Dedicated support with every unit • Possibility of remote debugging on site • Telephone and email support • All critical components are kept on stock • 24 months guarantee on all components • All software back up in the cloud and available for immediate download • Lifetime guarantee on Reabsorption process • Remote access for emergency repairs facility directly from the factory and look after the machine performance by specialist who will also provide monthly reports of machine performance
- 16. REOIL plant type 5 model no. 51211 Copyright 2017 | STACO
- 17. REOIL Plant Type 5 Copyright 2017 | STACO
- 18. Q & A Copyright 2017 | STACO Engr. Rahul Kumar rahul@shameltrad.com +966 551888755 Skype: rahul_staco Questions