METHOD AND DEVICE FOR OPERATING SUPER CRITICAL STEAM COMPRESSION CYCLE AND AIR-CONDITIONING CONTROL METHOD AND DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a method for operating a super critical steam compression cycle that can efficiently operate the super critical steam compression cycle and can save energy. ;SOLUTION: In an operation method of a super critical steam compression cycle with q compressor 1, a high-voltage side heat exchanger 2, a constriction means 5, and an evaporator 6 so that the circuit of an operation fluid that the operated with a super critical pressure at the high side of a steam compression cycle is formed, the characteristics of the inflow temperature of a fluid that flows into the high-voltage side heat exchanger 2 and exchanges heat with the operation fluid and a high-side pressure where an achievement coefficient of stream compression cycle is maximized are obtained, the controlled variable (for example, a room temperature) of the stream compression cycle is measured, an operation is made with a high-side pressure so that an achievement coefficient is maximized when the measurement value does not reach a target value and the capacity of the steam compression cycle is required. On the other hand, when the capacity of the stream compression cycle is not required, the high-side pressure us reduced to the minimum high-side pressure for reducing the capacity.;COPYRIGHT: (C)1999,JPO