Method and system for energy consumption analysis of central air conditioner refrigeration station

Abstract

The invention discloses a method and system for energy consumption analysis of a central air conditioner refrigeration station. All sub-systems of the central air conditioner refrigeration station are correlated, and in order to enable the comprehensive energy consumption index and the energy efficiency ratio index of a whole central air conditioner to be optimal, all the sub-systems must be matched with one another. According to the method, systemic energy conservation potential of the central air conditioner refrigeration station can be analyzed online in real time through collected main parameters such as refrigerator power utilization, refrigeration pump power utilization, cooling pump power utilization, cooling tower power utilization and gross refrigerating capacity. By adopting the technical scheme, energy conservation points and the magnitude of the energy conservation potential can be directly obtained through an energy conservation potential analysis model only by collecting and inputting refrigerator power utilization, refrigeration pump power utilization, cooling pump power utilization, cooling tower power utilization, gross refrigerating capacity and overall floorage, an excessively complex energy conservation analysis method is avoided, and input of professionals and time is greatly reduced.

Description

technical field [0001] The invention relates to the field of energy saving, in particular to a method and system for energy consumption analysis of a central air-conditioning refrigeration station. Background technique [0002] With the country's vigorous promotion of energy conservation in public buildings, central air-conditioning in public buildings has attracted attention because it is the main high-energy-consuming system. Among them, the central air-conditioning refrigeration station system accounts for more than 70% of energy consumption, which is the part with the most energy-saving potential. Therefore, how to analyze the energy-saving potential becomes the key point to implement energy-saving. At present, the existing energy-saving analysis methods mainly have the following problems: First, most of the existing central air-conditioning cold station systems are equipped with real-time electricity metering instruments, but most of them can only do simple data statis...

AI Technical Summary

Problems solved by technology

At present, the existing energy-saving analysis methods mainly have the following problems: First, most of the existing central air-conditioning cold station systems are equipped with real-time electricity metering instruments, but most of them can only do simple data statistics and summary analysis, and cannot analyze the air-conditioning system. On-line real-time analysis of the energy-saving potential of the cooling station system

Second, the current energy-saving analysis methods for central air-conditioning in the industry are too complicated. In order to collect various parameters, various types of sensors need to be installed, which reduces the reliability of the analysis system and the initial investment is too large to expand the scope of use. Energy-saving analysis methods analyze many related factors, and any one factor is unstable or wrong, which will lead to misjudgment of analysis, and its stability and reliability are not strong

Images