VSD Compressors
Compressing air can account for more than 40% of a plant’s total electricity bill. See more on how our VSD technology compares to fixed speedVariable speed drive versus fixed speedAs the name suggests, a fixed speed air compressor operates at the same speed whenever it’s running. By design, it always draws the amount of power needed to meet the maximum compressed air demand, even if demand is less than maximum. Because the speed of the motor can’t change
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VSD advantages
Atlas Copco offers both VSD and fixed speed compressors because each type offers advantages in specific circumstances. For example, a fixed speed compressor is a smart choice when the demand for air is essentially constant. A factory running 24/7 with automated equipment that consumes compressed air at a predictable and uniform rate is a good application for a fixed-speed compressor.
A VSD compressor
s a smart choice when demand for air varies by process, time of day, shift or time of the year. When demand fluctuates, a VSD compressor that varies its speed is much more energy efficient than a fixed-speed compressor that can only run flat out.
VSD Compressors
Variable speed drive versus fixed speedAs the name suggests, a fixed speed air compressor operates at the same speed whenever it’s running. By design, it always draws the amount of power needed to meet the maximum compressed air demand, even if demand is less than maximum. Because the speed of the motor can’t change, whenever the demand for air changes, an air inlet valve adjusts to allow either more or less air to flow out.In contrast, a Variable Speed Drive (VSD) air compressor can operate anywhere in the range between its minimum and maximum speed, and it automatically adjusts the speed so production of compressed air matches demand in real time. When demand increases, the motor speeds up. When demand decreases, the motor slows down. This capability saves energy because the compressor doesn’t have to run flat out whenever it’s on. You can think of VSD like the accelerator in a car, which allows you to vary the car’s speed according to road conditions, lNeed a help?
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