By Allen Houtz1 and Doug Cooper We explored override control using select elements in a previous article and learned that environmental and energy efficiency concerns for metered-air combustion processes can […]
By Allen Houtz1 and Doug Cooper A select element receives two input signals and forwards one of them onward in the signal path. A low select, shown below to the […]
By Allen Houtz1 and Doug Cooper A ratio control strategy can play a fundamental role in the safe and profitable operation of fired heaters, boilers, furnaces and similar fuel burning […]