Abstract:
In this project a new temperature controller was designed to replace the conventional on-off
temperature controller to maintain the inner temperature of a simple refrigeration cycle and
reduce the power input to the cycle. Due to the effect of high demand of power on the green
house emission it is important to find new ways for power production. Also, the another
important issue which is unnoticed is make sure that the power produce consumed efficiently by
the load. The main concentration of research in the subject is the replacement of old systems to
new in order to reduce power consumption which is a topic of interest to most researcher
nowadays. This is done by adjusting the power absorbed by the system to meet the demand using
variable frequency drive. Both temperature controllers of the conventional system and the new
controller were designed and evaluated. Results showed that the controller was found to be more
consistent and effective in maintaining the inner temperature of the simple refrigeration cycle.
The both results provide full graphical development which is analyzed and have been compared.
The effectiveness of the controller and its ability to maintain the inner temperature of the simple
refrigeration cycle with consistency moreover the conventional on-off controller. Also the
controller was able to reduce the vibration and noise produced by the cycle.
