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Dear All,
The problem we are facing is a little strange. The Anti-Surge Controller installed on our CO2 Compressor starts opening up the anti-surge valve when the ambient temperature around the main controller gets above 24 degree Celsius (roughly). We have installed an RTD right on the bottom of the controller to keep monitoring its immediate ambient temperature.
The operating point on the discharge pressure versus compression ratio graph remains in the safe zone with acceptable margins from the Surge Control Line.
The problem mainly occurs when there is some kind of work going on in the rack room and there is a to and fro motion of people going in and out of the rack room. What we have observed and analyzed so far is that the to and fro motion of workers and opening and closing of the doors causes variations in the ambient temperature. And it is only then that the controller starts opening up the anti-surge valve even when the operating conditions of the compressor are perfectly fine.
Please help and guide!
The problem we are facing is a little strange. The Anti-Surge Controller installed on our CO2 Compressor starts opening up the anti-surge valve when the ambient temperature around the main controller gets above 24 degree Celsius (roughly). We have installed an RTD right on the bottom of the controller to keep monitoring its immediate ambient temperature.
The operating point on the discharge pressure versus compression ratio graph remains in the safe zone with acceptable margins from the Surge Control Line.
The problem mainly occurs when there is some kind of work going on in the rack room and there is a to and fro motion of people going in and out of the rack room. What we have observed and analyzed so far is that the to and fro motion of workers and opening and closing of the doors causes variations in the ambient temperature. And it is only then that the controller starts opening up the anti-surge valve even when the operating conditions of the compressor are perfectly fine.
Please help and guide!