Discuss the control system (the level controller and the temperature controllers) shown in figure (2). Specify the controlled and manipulated variable in each case. Discuss the type of the controller used in each case, that is, a simple feedback controller, a feedforward controller, a cascade controller, etc. Draw the block diagram of the temperature control loops. Reactor temperature set point Feed in TT TC D

Refrigeration and Air Conditioning Technology (MindTap Course List)
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Author:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Publisher:John Tomczyk, Eugene Silberstein, Bill Whitman, Bill Johnson
Chapter16: Advanced Automatic Controls-direct Digital Controls (ddcs) And Pneumatics
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Q:
Discuss the control system (the level controller and the temperature controllers) shown in
figure (2). Specify the controlled and manipulated variable in each case. Discuss the type of the
controller used in each case, that is, a simple feedback controller, a feedforward controller, a
cascade controller, etc. Draw the block diagram of the temperature control loops.
Feed
Reactor
temperature
set point
(master)
TC
Water
surge
tank
i Jacket
itemperature
i set point
(slave)
TC
LC-LT
Reactor
Cooling
water
out
Product
Cooling
water
makeup
Circulation
pump
Figure (2)
Transcribed Image Text:Q: Discuss the control system (the level controller and the temperature controllers) shown in figure (2). Specify the controlled and manipulated variable in each case. Discuss the type of the controller used in each case, that is, a simple feedback controller, a feedforward controller, a cascade controller, etc. Draw the block diagram of the temperature control loops. Feed Reactor temperature set point (master) TC Water surge tank i Jacket itemperature i set point (slave) TC LC-LT Reactor Cooling water out Product Cooling water makeup Circulation pump Figure (2)
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