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      2. Smart Energy Management System


        Smart Energy Management System

        SEMS, a complete system for AC room, which can make the temperature and humidity of workshop follow the setting point and control them more precisely. The temperature and humidity of environment, supply air, return air, water and workshop can be collected all the time, and then the controller will calculate the data according to the requirements, then the fan speed, shutter switch angle and pump spraying effect will be adjusted in real time through PID.


        1)Five temperature sensors and five humidity sensors are added to SEMS for AC Room (see image below).

        2)All the motors are controlled by special inverters.

        3)All the shutters are controlled by the servo devices.



        Whether in winter or summer, the temperature and humidity changes during the day, meanwhile SEMS will help the AC Room to control the temperature and humidity of the workshop steady automatically.


        Features and Advantages

         Automatically control temperature and humidity

         Increase capacity up to 150% in worest season

         Temperature and humidity control become stable

         Improve the quality of the yarn more consistently

         Central automatically control the A/C, reduce the mistake by manual control

         Energy saving 20%-60%, payback about in 24 month


        Payback in 12 Month

         Power: ESS-126kw

         Load rate:65%

         Power saving rate:30%

         Monthly electricity saving:17690kw/h


         Electricity charge:$0.1/kwh

         Monthly saving:$1769


         Cost of SEMS:$21420

        Payback time≈$21420/$1769=12.1 months!

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