PID control of Seawater pump revolutions by frequency converter SV-iP5a
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The information contained in the file will be useful for those who operate ship or industrial refrigeration plants.
We are talking about condensation pressure.
The topic is especially relevant for ship refrigeration plants.
Indeed, in navigation conditions, the temperature of the outboard water is constantly changing.
Modern automation provides for this problem.
But not all vessels are new and not all automation can cope with this task.
The solution that I put into practice on the ship which was 25 years old is described in detail
on file. This solution provides a given condensing pressure
even with extreme fluctuations in the temperature of the intake water from 0 to 30 degrees Celsius
It will be about how to connect and configure the PID control of the SV-iP5A frequency converter to control the revolutions of the seawater pump.
Additionally, you will need a Danfoss AKS-33 pressure sensor
range from -1 bar to 20 bar
For refrigeration plants with air-cooled condensers, this may also be relevant.
We are talking about condensation pressure.
The topic is especially relevant for ship refrigeration plants.
Indeed, in navigation conditions, the temperature of the outboard water is constantly changing.
Modern automation provides for this problem.
But not all vessels are new and not all automation can cope with this task.
The solution that I put into practice on the ship which was 25 years old is described in detail
on file. This solution provides a given condensing pressure
even with extreme fluctuations in the temperature of the intake water from 0 to 30 degrees Celsius
It will be about how to connect and configure the PID control of the SV-iP5A frequency converter to control the revolutions of the seawater pump.
Additionally, you will need a Danfoss AKS-33 pressure sensor
range from -1 bar to 20 bar
For refrigeration plants with air-cooled condensers, this may also be relevant.