News

The index-based market-wide circuit breaker system applies at three stages of the index movement, both ways. These circuit filters apply at 10%, 15%, and 20%.
A third neutral line is also brought to the circuit breaker or service panel. Each hot leg feeds alternate breakers to supply 120 V to their respective circuits. When 240 V are needed, a double ...
High-voltage direct current (HVdc) circuit breakers based on power electronic technology usually require a large number of insulated-gate bipolar transistors (IGBTs) to achieve large-capacity breaking ...
Direct current (dc) power system protection presents a major challenge due to its unique characteristics, namely the absence of natural zero current crossing points. Thanks to their features, dc ...