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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Non squeal VFD
Packing line upgrade time...
My bin dump water pump is the largest noise maker in the system. I quickly tried a VFD a couple years ago and it SQUEALED far worse than the excess motor noise. Just as pleasant as listening to chalk squeal on a blackboard. Anyway, this time I want to buy a 1/2 hp VFD that doesn't have carrier wave noise. Suggestions? BTW, the unit will be located 75' of wire from the motor. Is a reactor needed in this case? Karl |
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