Detecting heater failure in a group of electric heaters in a process equipment heating system
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United States of America Patent
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Feb 6, 2018
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N/A
app pub date -
Jul 30, 2015
filing date -
Jul 30, 2015
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Abstract
A process equipment heating system has a group of electric heaters and a heater checking system. The heater checking system is configured to determine a resistance value R1 for the group of electric heaters, compare the resistance value R1 with a reference resistance value RR and judge a fault condition if the resistance value R1 differs from the reference resistance value RR by more than a predetermined amount.
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