Excess O2 Controllers

Question 1

What is the name of the O2 controller for the super heater?

Answer 1

AIC 6040B

Question 2

What is the controller name for the Aux?

Answer 2

AIC 6062B

Question 3

What control state is AIC 6062B in normally?

Why?

Answer 3

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.

Question 4

What does the

Answer 4

Air controller set point divided

Question 5

How does the AIC-6062B work.

Answer 5

The PLC multiplies the actual air flow by 1.03 then divides this number by the excess air controller OP.

Question 6

What does a OP of under 1 mean?

Answer 6

To much excess air.

Question 7

What does a OP of over 1 mean?

Answer 7

The controller is asking for more excess O2.