Contactors and relays susceptibility to voltage sags

• Main Author: Mohd Yazid Zaimuri
• Other Authors: Mohd Rafi Adzman (Advisor)
• Format: Learning Object
• Language: English
• Published: Universiti Malaysia Perlis 2009
• Subjects: Voltage sag; Power loss; Power circuit > Switching; Electric power distribution; Electric power system stability; Electric power systems; Electric power systems > Quality control
• Online Access: http://dspace.unimap.edu.my/xmlui/handle/123456789/4266

A contactor is electrically controlled switch used for switching a power circuit and activated by a control input which is a lower voltage or current than that which the contactor is switching. While a relay is an electrical switch that opens and closes under the control of another electrical cir...