I uncovered concerning this outcome in the manufacturing facility exactly where we essentially applied pure sine wave variable frequency motor controllers on prolonged cables since too much distortion on a long cable could melt away up a motor. All the opening property UPS I've observed look like pure sine wave. https://cruzgjihf.madmouseblog.com/14281685/new-step-by-step-map-for-uninterruptible-power-supply-definition