METHOD AND APPARATUS FOR OPEN NEUTRAL FAULT DETECTION

摘要

A method and apparatus for detecting an open neutral fault condition in a circuit including a neutral conductor and first and second live conductors. The meth od begins with determining a voltage imbalance between a first voltage between the fir st live conductor and the neutral conductor, and a second voltage between the second live conductor and the neutral conductor. Next, the voltage imbalance is compared to a predetermined threshold value. If the voltage imbalance exceeds the predetermined threshold value, an alarm signal is generated.