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21-02-2011, 09:59 PM #1
Energy Efficiency Screw Compressor with VFD
Hello everyone!!
I've been reading about using VFD to control capacity on Screw Compressors, but I can't understand yet if using the VFD improves the Energy efficiency when partial load scenario. As far as I understand when unloading on normal capacity control (100%, 75%, 50%) energy efficiency drops a lot, so it is not a very common practice to use Screw Compressors on partial loads. Now using VFD is there such an energy consumption so it is acceptable to use Screw Compressors on partial loads??????????
Thanks!!
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