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Making Water flow from the Sun

Making Water flow from the Sun. ROTOSOL: Optimum Solar Pumping solutions by ROTOMAG. The ROTOSOL Advantage. Technology : Ultra High efficiency BLDC & PMDC motors Experience : 15 years in solar pumping Capacity : 50,000 units of surface & submersible pumps/year

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Making Water flow from the Sun

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  1. Making Water flow from the Sun

  2. ROTOSOL: Optimum Solar Pumping solutions by ROTOMAG

  3. The ROTOSOL Advantage • Technology : Ultra High efficiency BLDC & PMDC motors • Experience : 15 years in solar pumping • Capacity : 50,000 units of surface & submersible pumps/year • Support : 200+ Service Partners • Goal : High Quality Solar Pumping Installations

  4. Technology: Why BLDC is better ?

  5. Efficiency comparison of AC & DC motors Premium efficiency- Atleast 10% higher * AC motor efficiency is as per IS:12615 for 3 HP 4P motor

  6. Physical comparison of AC and DC pumps Leading AC Submersible 70% lower weight, 50% lower temperature, 300% higher weight to torque ratio Rotomag DC Submersible • Height : 740 mm • Total Weight : 18 Kgs • Easy to handle and install • 300% higher torque to weight ratio • Efficiency: 92% • 105,000 LPD @ 30 M • Height : 1120 mm • Total Weight : 52 Kgs • Difficult to handle • Susceptible to damage • Efficiency : 81% (EFF2) • 96,000 LPD @ 30 M

  7. Advantage of BLDC over AC Early Start • DC pumps use power directly from modules • Start at low irradiance levels • Inverting DC to AC causes losses • DC pumps start early and work till late Higher Starting Torque- reduced chances of clogging of pump in muddy/sandy water • Starting torque in AC motors is 2 times the rated torque • Starting torque in BLDC/PMDC is 5-6 times • AC pumps will stall in sandy/muddy water • DC pumps have sufficient reserve torque to clear the debris

  8. Advantages of BLDC Technology Fully encapsulated winding- cannot fail AC Motors • Exposed Windings • Sand and water ingress cause damage • Weak insulation causing drop in performance • Considerably reduced life Rotomag BLDC Motor • Totally Encapsulated windings • No effect of debris or water on winding • Consistent performance • Long life

  9. Sealed Rotor- Life time Guarantee. 200% higher torque for operation in sandy/muddy water AC Motor • Steel Laminations with AL rotor • Susceptible to oxidation due to moisture • Heavy construction • Higher moment of inertia • Late start early stop • Drop in performance over time Rotomag BLDC Motor • SS Shaft with rare earth magnets • No effect of moisture • Life long guarantee of performance • Lower weight – lower moment of inertia • Early start late stop

  10. Long Life Bearings. No replacement for 5 years AC Motor • Standard ball bearings used • No Dampening of axial thrust • Axial thrust causes damage • Reduced efficiency • Higher noise and vibration • Contamination due to debris • Reduced water discharge once damaged Rotomag BLDC Motor • Ceramic Carbon Thrust bearings used • Effective dampening of axial thrust • Lower noise and vibration • Increased efficiency • Higher resistance to contamination • Higher MTBF • Consistent performance

  11. Dedicated to Solar pumping for 15 years: How does it help ?

  12. Rotomag’s journey in solar pumping Vast exposure enables us to build different pumping solutions Introduction of motors for export and JV for AC motors BLDC pumps developed and approved by EQDC Development and installation of 1 HP Surface pumps Development of BLDC submersible pumps begins 2000 Surface pumps and 250 Submersible pumps installed Installation of 2 HP Surface pumps 4500 Nos

  13. Designed for 10 years Top Quality SS components. Premium quality parts Example: Submersible pumps Range : 1 – 5 HP Head : 100 meters • High efficiency BLDC motor • Encapsulated winding with Thermal protection • SS 304 parts for long life and corrosion resistance • Laser welded impellers for high discharge • Thrust bearing ensures dampening of axial forces • Compact and light weight • Made in India – servicing and repairs possible

  14. Ability to withstand tough usage Designed for extreme conditions and user ignorance Example: BLDC controllers • IP 65 protection • Problem conditions shown with LED’s • Sensorless dry running protection • 250C IGBT’s used as power stage • Overvoltage/Thermal overload protection • To be tested as per IEC 60068-2*

  15. Products suited for Rural India Fail proof, no electronics Example: Surface pumps Range : 1, 2 & 3 HP Head : 25 meters • Simple 2 wire design. No controller required • Easy to install and maintain • High Discharge suitable for flood irrigation • Designed for harsh Indian conditions • More than 5000 pumps installed till date

  16. Installations and End user training are the key Improper foundation Pump without foundation Poor Installation of pump Pump stuck in ground

  17. Capacity: Can we meet the market demand?

  18. Infrastructure Factory capacity: 50 K pumps per year Two plants: 1.6 lacs sq feet built up factory area Capacity : 28000 motors & 5000 pumps/month Semi Automatic production lines Sophisticated test equipment

  19. Manufacturing capability World Class processes Monthly Production Capacity : PMDC Motors : 8,000 units AC motors & Geared motors : 20,000 units Surface pumps : 2,000 units Submersible pumps : 3,000 units

  20. Inhouse R & D and quality assurance

  21. Pump testing set up Sophisticated testing facilities for Solar pumps Automatic testing and plotting of pump performance curves Solar PV simulator for automatic computation of water output/day

  22. Global reach of Rotomag products Quality validated by TOP European customers Over 70% of export revenue comes from Germany, Switzerland & USA

  23. Support: Being close to the users

  24. Training and Service support Professional and prompt after sales support • Total 200 Sales cum installation and service partners to be appointed • Regular training being provided to partners for quality installations • Standard work instructions and training manuals provided • Field service centers appointed to attend complaints in villages & towns • Master service centers appointed in major cities for repair / replacement of faulty parts • Inhouse dedicated team for audit and supervision of installations

  25. Sales and Service Network Extensive Service Coverage ‘Jalmitra’ sales cum support partners

  26. Support Partner Training Programme Equipping ‘Jalmitras’ to solve problems Regular training programmes being conducted to qualify ‘Jalmitras’.

  27. Installations: Precise, Standardized and built to last

  28. Standardised installation process

  29. High Quality Installations Starting point for a lifelong relationship long

  30. High Quality Installations Water that will change their lives

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