A system and methods providing for minimizing the arc energy delivered to the pads of a plurality of contactors using a single control coil based on monitoring the electrical sine waves of the three alternating current electrical poles and calculating the instant to energize or deenergize a single control coil. The remainder of the contactors will make or break based on an offset in time from the making or breaking of the control contactor.
申请公布号
EP2226820(B1)
申请公布日期
2016.01.27
申请号
EP20090007248
申请日期
2009.05.29
申请人
ROCKWELL AUTOMATION TECHNOLOGIES, INC.
发明人
WEICHERT, HANS, DR.;MILLER, JAMES, PETER;HUNZIKER, URS;LAEUPPI, LORENZ;KALTENRIEDER, REYNALD