Editing Motor controller (section)

== Timed Sequenced Schedule of the Automatic Restarts Of Multiple Motors ==

After the electrical power has been restored (typically after a time delay of 30 to 60 seconds), then the time sequences of the automatic restarts of multiple motors are set to automatically begin.<ref>[https://www.pge.com/pge_global/common/pdfs/outages/current-outages/report-view-an-electric-outage/additional-resources/Voltage_Sag_Ridethrough_Mitigation.pdf] Voltage Sag Ride-through Mitigation in Sequence by Increasing Cost | PG&E | July 2018</ref>

Without a time sequenced schedule, any attempt to restart many motors simultaneously could lead to partial or total site wide power failure.<ref>[https://www.emo.org.tr/ekler/87eb55609c2a7a9_ek.pdf] Restarting Scheme Of Electrical Motors After Supply Voltage Outages In Heavily Loaded Industrial Facilities</ref><ref>[https://cms-cdn.selinc.com/assets/Literature/Publications/Technical%20Papers/6470_FieldEvaluation_RJ_20110510_Web.pdf?v=20200728-181913] Field Evaluation of Automatic Restart of Essential Motors Using Microprocessor-Based Protective Relays | Rekha T. Jagaduri and Dennis Bradley, Schweitzer Engineering Laboratories, Inc. | Larry Kingrey, P.E., WorleyParsons | Tuyen P. Nguyen, P.E., Chevron Energy Technology Company</ref>