Patent ID: 6538343
Filing Date: 2003-03-25
Classification: H02J,Y02B,Y04S

Abstract:
A load reduction method for selectively dropping a first load that is connected between a first-leg line and a second-leg line while supplying power to a second load that is connected between a neutral line and one of the first-leg and second-leg lines, said method comprising:(a) supplying AC power to the first-leg line; (b) supplying AC power to the second-leg line, the AC power supplied to the second-leg line having a phase angle of about 180Â° with respect to the AC power supplied to the first-leg line; and (c) changing the phase angle of the second-leg line with respect to the first-leg line to about 0Â° to drop the first load while continuing to supply power to the second load.