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Energy Efficiency

    The efficiency of a motor is a function of numerous variables including wind and friction losses, core iron and rotor losses, and stray load losses. Based on these losses, a motor's efficiency is determined. MEMCO ensures these losses are kept to the minimum so that your energy efficiency savings are at the maximum. 

 

      For instance, since problems with core iron can be a major factor of efficiency loss, MEMCO will conduct a computerized core-loss test. If we are doing a rewind, this test will be done before burn-off to determine of the iron core is in satisfactory condition before proceeding. Also, we provide assurance that no damage has occurred during our burning or stripping process, because we do another test

(for comparison) afterwards. Studies show that temperatures over 700 degrees F begin to damage the iron and reduce the efficiency, so MEMCO uses a special oven equipped with a temperature control mist spray system to eliminate "over temperature" burns. Following burn-off, we record the motor's configuration (wires, turns, connections, etc.) into our engineering computer program to verify the correctness of those specifications. Of course, all redesigns are verified by exceedingly accurate computer programs. MEMCO has teamed up with DuPont and IMI Insulations Systems to give our customers a class H (180 degrees C) insulation in our rewinds. This means your motor gets excellent protection from heat damage .

 

    In addition, we process coil manufacturing on our state-of-the-art computerized Samatic Automatic Winding Machine. This precision machine feeds the wires into the form with a side-by-side perfection that eliminates cross-overs. In addition to better electromagnetic impulse, this means that the chance of nicking or damaging the insulating film is vastly reduced during coil insertion. Therefore, our process eliminates the primary cause of turn-to-turn shorts, which is a major cause of reduced winding life. Furthermore, "no crossed wires" also means more slot room and opportunity to increase wire size, and that translates into greater efficiency.  

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