VSD/VFD Compressors Advantages

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!VSD/VFD Compressors compresses air as much as needed. How much air is needed, that much air is pumped such that electric is used to produce that much air.

The VSD/VFD Compressors regulate the speed of both the motor and airend (pump) to compress a sufficient amount of CFM that will maintain the required pressure within the system. Unlike standard on load, off load, and idling compressors, VSD compressors operate without idling which can result in up to 35% electricity savings. When there is no air demand, these compressors decrease their speed to a minimum but continue pumping air before eventually stopping after a set reset off load time at the allowed minimum speed. However, it is important to note that if the compressor airend element temperature falls below 155F (70C), it won’t count down its off-load timer and will stop itself temporarily to warm up in order to avoid condensation.

VSD/VFD Compressors restart when system pressure drops below 8 psi (0.5 bars) from its designated set point on the compressor. It’s crucial for systems with these compressors installed to have appropriately-sized tanks; otherwise:

- The compressor may trip due to over pressurizing.
- Changes in air demand may cause variations in running speeds – going higher than idle frequency would reset countdowns leading unnecessary operation even though there’s no air demand.
- If leaks aren’t absorbed by tanks or compressed air systems, VSD/VFD Compressors try compensating them resulting in non-stop operations.
- Weekend or night shutdowns are recommended when there’s no need for compressed air.

Unlike standard compressors during start-up where power supplies absorb kicks from high-inrush currents, VSD/VFD Compressors start very smoothly without such current spikes.

Furthermore:

- The rotating parts of VSD/VFD Compressors don’t continuously run at maximum speed which extends their lifespan significantly.
- These type of compressors are quieter than standard ones as they don’t run at full capacity all time
-The flexibility offered by U.S Air Compressor’s range means any VFD compressor can be easily calibrated with different capacities depending on requirements: A 50hp model could be adjusted down towards being only capable of producing airflow equivalent to a smaller 25hp unit while still drawing just as much power as when operating at full capacity – this allows users greater control over how much energy they consume whilst still achieving desired results!