Home » Surface Acoustic Wave Technology-Based Temperature Monitoring of High Voltage and High Current Switchgear Boxes
Surface Acoustic Wave Technology-Based Temperature Monitoring of High Voltage and High Current Switchgear Boxes
Safety is a big concern when it comes to managing power distribution systems. High voltage and high current switchgear boxes serve an important role in establishing points of control within the power distribution system. The high voltages and current flowing through switchgear boxes greatly increase the probability of electric arcing and arc blasts. An arc blast is characterized by intense amounts of heat, pressure, shrapnel and molten copper. Great strides have been made in building arc resistant switchgears, nevertheless accidents have happened and the state of technology is far from completely eliminating them. One solution to this problem is to monitor the temperature of switchgear boxes to elicit early warning signs of imminent failure. Conventional methods of monitoring switchgear temperature are expensive and not entirely effective. Surface Acoustic Wave (SAW) technology can provide a passively powered (battery-less), wireless temperature measurement solution that is suited for switchgears. This application note explores how a SAW based solution can provide a reliable, safe and cost-effective means of monitoring switchgear temperature.
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