Plant engineers and technicians are frequently asked to tune the controller when a control loop’s process value has prolonged or significant excursions from the set point. But in many instances, no ...
Power plants–especially coal-fired boilers–pose a set of process control problems unparalleled in other industries. Rapid load ramps, continuous unit demand changes, variable fuel quality and process ...
(See “ Thermocouple Response Time Study for Steam Temperature Control ” in the February 2011 issue of POWER, available in our archives at https://www.powermag.com.) Plans were made to replace the ...
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