METHOD AND SYSTEM FOR PROVIDING VARIABLE RAMP-UP CONTROL FOR AN ELECTRIC HEATER
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United States of America
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Issued Date -
Mar 13, 2025
app pub date -
Nov 22, 2024
filing date -
Nov 22, 2024
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Abstract
A method for controlling temperature of a heater including a resistive heating element. The method includes applying power to the resistive heating element of the heater at a variable ramp rate to increase temperature of the heater to a desired temperature setpoint. The variable ramp rate is set to a desired ramp rate. The variable ramp rate varies based on a temperature change of the resistive heating element with respect to time, and a control system dynamically adjusts the variable ramp rate to define different rates of ramping the applied power. The method further includes monitoring an electric current flowing through the resistive heating element of the heater, and reducing the variable ramp rate from the desired ramp rate to a permitted ramp rate in response to the electric current being greater than a lower limit of an electric current limit band.
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