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Centrifugal chiller performance evaluation system
Centrifugal chiller performance evaluation system
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机译:离心式冷水机组性能评估系统
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摘要
Design COP is iteratively computed. Provided is a centrifugal chiller performance evaluation system including a data acquisition section (101) for acquiring operating data from a centrifugal chiller as input data; a storage section (102) storing a design COP estimation formula obtained by adding correction values corresponding to losses occurring in an actual environment to a computational formula for ideal actual-machine COP expressed using COP characteristics of a reverse Carnot cycle; and a computing section (103) for estimating a design COP at a current operating point using the operating data acquired by the data acquisition section (101) and the design COP estimation formula stored in the storage section (102). The correction values include a first correction value calculated from a first computational formula including the load factor of the centrifugal chiller as a variable and a second correction value calculated from a second computational formula including a difference between cooling water outlet temperature and chilled water outlet temperature as a variable. The second correction value contains an offset from the first correction value depending on cooling water inlet temperature.
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