METHOD FOR CONTROLLING OPTIMUM OPERATION OF ICE STORAGE HEAT SYSTEM BY BUILDING LOAD ESTIMATION ALGORITHM

摘要

PURPOSE: A method for controlling optimum operation of an ice storage thermal system by building load estimation algorithm is provided to improve the work following performance with relation to a change of real building loads for reducing operation time, thereby reducing power consumption and improving dynamic characteristics with relation to a rapid load change. CONSTITUTION: A method for controlling optimum operation of an ice storage thermal system by building load estimation algorithm includes the steps of estimating a real building load by measuring a temperature of brine recovered water at a heat exchanger when load cooling(S101), performing a sole operation of a heat accumulating tub if the estimated building load is below a predetermined limit (about 40%) of a maximum load(S102,S103), and performing a parallel operation if the estimated building load is higher than the predetermined limit, wherein a freezer and the heat accumulator are operated in parallel if the building load is in a predetermined limit (40%-70%)(S104,S105), and two freezer and the heat accumulator are operated in parallel if the building load is higher than the predetermined limit (over 70%)(S106,S107).