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the central air conditioning main engine, the auxiliary engine movement operating mode change, the gathering temperature, the pressure and so on the many kinds of coefficient of variation, then through the load move computation, the change system freezing water current capacity, the cooling water current capacity and the cooling tower air blower amount of wind adapts the air conditioning load change, simultaneously causes the main engine movement operating mode throughout to be in optimized in the best operating point. Generally when full load pumping machine needs the full speed movement, has not conserved energy the space, but uses the redundant technology and the frequency conversion technology unifies, the proportioning pump and the variable displacement pump coordinate,it is the truths.To freezes the aqueous system to use the best output energy control. When the ambient temperature, the air conditioning terminal load changes, Optimized the main engine movement pattern each group freezing water for the backwater temperature, the temperature difference, the differential pressure and the current capacity also along with it change, these parameters which the flowmeter, the differential-pressure pickup and the temperature sensor examines delivers to the intelligent controller, the real-time data and the system historyperformance data which the controller basis gathers, the real-time idea figures out the refrigeration quantity which the terminal air conditioning load needs, as well as each group freezing water for the backwater temperature, the temperature difference, the differential pressure and the current capacity best value, and to this adjusts various frequency changers output frequency, the control freezes the water pump the rotational speed, Changes its current capacity to cause the freezing aqueous system for the backwater temperature, the temperature difference, the differential pressure and the current capacity movement the optimum value which produces in the controller.Because the freezing aqueous system has used the output energy dynamic control, the realization air conditioning host frozen intermediary current capacity follows the terminal load the demand supply, causes the air-conditioning system in each kind of load situation, all can both guarantee terminal user's comfortableness, and maximum limit has saved the system energy consumption.The cooling water system uses the best hot transfer efficiency control. The cooling water and the cooling tower air blower system uses the best transfer efficiency control. When the ambient temperature, the air conditioning terminal load changes, central air conditioning main engine load factor along with it change, main engine condenser best hot transformation temperature also along with it change. The intelligent controller basis gathers the real-time data and the system history performance data, calculates the main engine condenser the best hot transformation temperature (inflection point temperature) and the cooling water is best, the inlet temperature, and by this adjustment cooling water pump and the cooling tower air blower frequency changer output frequency, the control cooling water pump and the cooling tower air blower rotational speed, the dynamic adjustment cooling water current capacity and the cooling tower air blower amount of wind, causes the cooling water to enter, the outlet temperature approaches the optimum value which the intelligent controller produces, thus guaranteed the central air conditioning main engine is at under the best transfer efficiency condition to move as necessary. Because the cooling water system uses the best transfer efficiency control, had guaranteed the central air conditioning main engine in the full load and in the partial load situation, is at the best active status, throughout maintains the best energy use factor (namely the COP value), thus reduced the air conditioning main engine energy consumption, simultaneously because the cooling water pump and the cooling tower air blower frequently in are lower than under the fixed load to move, also maximum limit saved the cooling water pump and the cooling tower air blower energy consumption.
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