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Thread: VFD's on screw compressors
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02-07-2008, 06:48 PM #1
VFD's on screw compressors
Hello Everyone,
I am looking for a little feedback about the subject of VFD's on screw compressors. We have done a couple of payback studies for retrofitting VFD's to existing machines and it does not seem practical to me to do this. I have seen some benefits to it in a brand new facility but from what I can tell it seems as though it is hard to do better than just installing a high quality controls system. Most plants I have seen have many more efficiency problems than how fast the compressor motor is turning. I look forward to everyones thoughts on this.
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