SAVE COSTS WITH EFFICIENCY AND RELIABILITY GAINS OVER THE PUMP LIFETIME Grundfos supplies the SPE pumping system with a 6” permanent magnet (PM) submersible motor and tailored CUE variable speed drive. A Grundfos PM motor ensures the highest possible energy efficiency and is made from high grade and robust materials that increase the time between service and reduce maintenance. The SPE system has proven reliability and longer lifetime. ■ Maintenance costs 10% ■ Initial investment 5% ■ Operational costs 85% Lifecycle costs are typically calculated over 10 to 20 years. WHAT DOES AN SPE SYSTEM INCLUDE? Grundfos will assist you in selecting the right pump, motor, variable frequency drive, cable and filter for your requirements to ensure a trouble-free operation. Grundfos offers an entire system solution from pump to complete controls cabinet with all the required components, including start-up and commissioning. WHY IS A SINE WAVE FILTER NECESSARY? Because a permanent magnet motor cannot be directly connected to the grid, a variable frequency drive is a requirement for an SPE System. Therefore, a sine wave filter must also be used. • Permits non-screened cables • Better EMC conditions • Increases motor lifetime 2
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