Excess O2 Controllers Flashcards
1
Q
What is the name of the O2 controller for the super heater?
A
AIC 6040B
2
Q
What is the controller name for the Aux?
A
AIC 6062B
3
Q
What control state is AIC 6062B in normally?
Why?
A
CAS
It generates its set point based off Aux steam out put. The lower the out put the higher the excess O2 percent will be. This gives a buffer for quick changes in steam demand.
4
Q
What does the
A
Air controller set point divided
5
Q
How does the AIC-6062B work.
A
The PLC multiplies the actual air flow by 1.03 then divides this number by the excess air controller OP.
6
Q
What does a OP of under 1 mean?
A
To much excess air.
7
Q
What does a OP of over 1 mean?
A
The controller is asking for more excess O2.
