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| Variable Frequency Drive Compressors |
Benefits of the VFD 1) Operating at 70% capacity, the VFD consumes 10% less power than a standard compressor operating with on-off control and 20% less than a compressor with modulating control. 2) The VFD has a soft start feature that maintains a low starting current. This reduces stress on the site power supply and also reduces motor wear. 3) The VFD system complies with Electro-Magnetic Compatability standard and is UL/CUL listed. 4) The VFD system is not limited to a fixed number of starts per hour. 5) In-rush current does not go up, so there is no peak charge from the power company. 6) The VFD system will maintain an exact pressure. There is no need to run a higher pressure to make up for losses in modulation control or control inefficiencies. 7) There is no wasted energy! The power used is only what is needed to compress the air demanded. If less is needed, less power is consumed as the VFD backs down. 8) There is no waste due to modulation of the intake valve. The VFD cuts back on making air. 9) Unit shuts off after a short time of little air demand. Not limited by the motor restart times. 10) With no in-rush current, the motor life should be extended.
Microprocessor
Sullivan Palatek is the only air compressor company offering a one year buy back guarantee!
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