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- Energy Savings
- Reduced Maintenance
- Reduced Noise Levels
- Soft start capabilities – reduced inrush
currents
- Eliminates constant compressor cycling
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| Air compressors offer
a tremendous opportunity for energy savings. The popular screw
compressor usually uses one of several methods of controlling pressure.
Most involve either cycling the motor or loading and unloading the
compressor screw, or regulating the inlet air. None of these are
as efficient
as adjusting
the
speed of the motor to produce only the air pressure and volume that
the plant demands at any given time. During periods of time when
full flow is called for, the motor will run at or near full speed.
But when demand for air is low, the motor "throttles back" to move
just enough air to maintain the desired pressure. Reducing the speed
by 20% will reduce electrical power demand by almost the same percentage...and
since the typical compressor operates at 80% capacity, the savings
will add up quickly. Add to that the reduction in audible noise
and simplification of the system, and it's hard not to justify retrofitting
a Parker drive. Parker Hannifin has long been known as a premier
supplier to the compressor
industry,
and with its qualified distribution channel,
can offer
knowledgeable
application assistance to get the most out of your air system.
And don't forget to check with your electric power utility for possible
incentives and rebates to make your payback even quicker!
Applying VFD's in compressor applications
can greatly reduce your energy costs. CLICK
HERE
for a case study.
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