Where we r using split range and ratio controller?

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Where we r using split range and ratio controller?..

Answer / sivaram

To maintain the PV out put related with two different process
then out put should be split Ex:-Steam turbine Hot well level
control 1) PV: Hot well level 2)split out put1:inc to dec
action 3)Split out put2:Inc to Inc action ,and valves also
designed reverse action.

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