Find out in this e-book how a VSD can work for you. The revolution of the screws forces air through the chambers. Many air compressor installations will benefit from the efficiency variable speed drive technology provides. DRS Series compressors come equipped with the easy to use, intelligent control solutions that manage, monitor and maintain optimal operational parameters automatically ensuring reliable operation and protecting your investment. DRS Series rotary screw compressors produce energy savings of up to 25% by utilizing variable speed drives. 10 Year REPLACEMENT Warranty. You can save 25-70% on energy by using motor controls or variable frequency drives. First, customers want to match compressor capacity to demand. Variable Speed Rotary Screw | Reciprocating Air Compressors.
©2020 Fluid-Aire Dynamics, Inc. All Rights Reserved. These energy efficient compressors feature innovative component integration resulting in compact, serviceable and quiet compressors engineered for performance. The result is any energy lost through off load running can be significantly reduced and the inverter ensures that the compressor accurately maintains system pressure. You would pay up to 25% more in energy [kWh] to operate in this "zone. This provides significant advantages, especially for companies whose compressed air needs vary over the course of a shift, day or season. When you look at the energy savings of using a variable speed versus a fixed-speed compressor, you'll understand that you will save money over time. Premium Industrial Motors. Recommended Read What Causes Oil Carry-Over in Compressed Air Systems? VARIABLE SPEED ROTARY SCREW AIR COMPRESSOR. How long does a rotary screw air compressor last? The compressed air is versatile, flexible and a safe form of energy, but it is very expensive if not used correctly if compared to traditional compressors, the advantages of these advanced new machines can be summed up as follows: 1. Applications where demand fluctuates significantly over the course of a shift or between jobs (for example, a machine shop with manual tools whose usage varies depending on the jobs they take in). It's either at full throttle or off.
When evaluating which oil free rotary screw air compressor is right for you, pay close attention to turndown and how it can significantly impact your energy costs. We stand behind our products and services and beside our customers during planning, installation, and maintenance. VSD technology can reduce energy cost for a compressor by 35% to 50%, depending on the application and the size of the compressor, so annual savings with VSD can range from hundreds of dollars to tens of thousands of dollars. Pressure: 4 to 10 bar. Introducing the all new direct drive, variable speed 21-34 series. The most common type of VSD technology used in air compressors is the variable frequency drive (VFD), which varies the frequency and voltage that is supplied to the motor. The most expensive component in the total cost of compressed air is energy. Customers rely on our proven products in a variety of industries and markets across the globe.
Motors controlled by VSD have lower starting currents, eliminating the large spikes in demand seen when a fixed speed motor turns on. 90-260kW DIRECT ROTARY SCREW AIR COMPRESSORS Our most energy-efficient air compressor to date, the NxHE Series compressors use patented Details. In contrast, a VSD compressor employs a "soft" start/stop that reduces or eliminates these energy surges. What is more, the CPVSM is 3% more energy efficient compared to belt-driven compressors. As demand increases, it can operate anywhere between its minimum up to to its maximum 100HP. A fixed speed rotary screw air compressor, on the other hand, operates at the same RPM at all times. With our warranty we don't ask you to buy a service plan or extended warranty, we just ask that you purchase and use our oil and filters. A variable speed compressor, when applied properly, will save you energy and may even help better control system pressure. If not, the inlet valve closes.
Our system designers can analyze your compressed air consumption patterns and system requirements and determine which option will be most cost effective for your needs. But variable-speed air compressors operate with more stringent tolerances because they use electronic controls. The magic is in the drive train, the combination of motor and element. A rotary screw compressor uses the positive-displacement method, with air produced by two closely meshed helical screws (rotors) that compress the air. Facilities with extremely dirty, dusty or wet ambient conditions. Oil-free rotary screw air compressors. Energy efficiency is one of the most important factors all businesses are concerned with. Spin-Tek™ Design = Unique easy access oil filters & air/oil separators, Requires no tools to remove/install saving time and money. When demand is low, the motor will run at a reduced speed, requiring less energy to operate. The VSD — time-proven directly coupled design — offers faster response and greater operational efficiency.
The lower the pressure the higher CFM and the more hours you will get on your screw compressor, so keep the pressure as low as possible. If you're having compressor issues, we can help with that as well. Fixed-Speed vs Variable-Speed Compressors. The unit has a maximum pressure setting – the computer will sense that it is going over pressure and will shut down. The variable speed is most effective in compressed air systems with constant flows and a small number of operating air compressors. That's 3 to 5 times as long as a piston-style air compressor. Furthermore, fixed speed compressors run unloaded as the stress of an engine start-up would put pressure on the motor.
Your local authorized Sullair distributor can conduct an AirSuite analysis to assess your system's current performance and recommend the best solution. Because some power companies are limited then they put demand factors on industrial customers, so they charge you for surges in your power that may be robbing other customers during peak hours. Our service team is factory trained and certified in preventative maintenance, troubleshooting, and repair. ENERGY SAVINGS ARE SMART SAVINGS. Current Region: The Champion DRS Series offers variable speed compressors that are designed with energy efficient inverter drives and motor combinations. As fixed speed compressors are always operating at full-throttle, if all of the output is not required then energy is being wasted. These incentives can significantly offset the costs of upgrading to a new VSD air compressor.
As air moves through the successive chambers of the paired rotors, it is squeezed into a smaller volume, resulting in air compression. Regular maintenance and repairs are important, but the story begins with the compressor itself. Lower Power Demand: Many power companies will offer rebates when running your system with a variable speed drive. When reviewing CAGI data sheets, closely review "specific power. " Most applications require a fluctuating demand, meaning the unneeded energy is wasted. Your initial investment will pay off in less than two years.
Most airends are only good for up to 40, 000 hours and then they need a complete overhaul, with our airends they are good for 70, 000 running hours as long as the unit is maintenance routinely and the correct oil is used. Engineering / Machinery. The acceleration and declaration of power are reduced, which lowers amperage peaks. Highest quality components. This drive controls the speed (RPM) of the unit depending on the demand, fluctuating the amount of power that is used to perfectly match the output required.
Effectively manages, monitors and maintains optimal operational parameters to ensure stable system pressure and reliable operation. A complete and adaptable solution for your industrial compressed air demand. • V-Shield technology provides a totally integrated, leak-free design, featuring PTFE and O-ring face seals. On- line demand – this setting is made for high volume and will bypass the automatic kick-off mode. Gardner Denver VST Series Two-Stage Compressors. The electronics in a VSD compressor are more sensitive to moisture and dirt than the components of a fixed speed compressor. Factory filled synthetic lubricant. The smart, energy-efficient solution for your industrial needs. Sullair and most other major compressor manufacturers participate in CAGI's performance verification program. Our full lineup of VSD screw compressors features engineering that allows them to fit into virtually any application you may have.
You have no belts to replace and enjoy lower operating (service) costs. • Lower Maintenance costs and longer service life. When operating both types of compressors in tandem, the VSD compressor should have a larger capacity than the fixed speed. VSD air compressors provide the biggest energy savings for facilities with high degrees of variation in their CFM requirements. Variable operation slows airend speed, which lowers energy costs and reduces noise. The ability to control these minimizes mechanical and electrical stress on the entire unit. We cover labor for the first 12 months for major repairs. Screw compressors with permanent magnet technology are designed to reduce your total costs of ownership. Learn about our development from a machine shop to one of the world's most successful manufacturers of compressed air systems.
We use Schneider Altivar71 Brand drives that carry a 5 year warranty. Choose a different country or region to see the content specific to your location. Best of all, its affordable. A fixed-speed compressor not only has a bigger startup surge, but it is also going to draw the same amount of energy no matter the compressed air output demand.
Your compressor needs to meet both criteria.
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