[i]Originally posted by docholiday
Starting against a load with a VS is hard and I am suspect that the inrush amps to charge the capacitors would be huge. Freq drives have been used for years but not any more efficient. But hey thinking outside the box is always good. [/B]
Yup. Remember the grossly over controlled Trane XV1500's? Compressors had a very unique sound as they started and ramped up.