一种基于高斯混合模型的高校中央空调计量方法

doi:10.16180/j.cnki.issn1007-7820.2020.10.006

Abstract

Abstract:

With the large scale use of central air conditioners in colleges, accurate measurement and reasonable billing of central air conditioners has become an increasingly concerned issue for administrators and students. In order to solve the conflicts of interests between managers and users, a college dormitory’s central air conditioning measurement method based on Gaussian mixture model is proposed in this study. The method is based on the load characteristics of central air conditioning in college student dormitory, and uses Gaussian mixture model to analyze the probability and statistical characteristics of air conditioning load. By measuring the electricity consumption of central air conditioning and terminal fans, the calculus of time differences method based on its statistical characteristic is adopted to achieve split charging. The proposed method not only realize accurate metering and charge, but also combines the intelligent power management system to make the electricity process more transparent and has certain energy-saving effects.

Key words: central air conditioning, metering system, Gaussian mixture model, Gaussian difference method, reliability analysis, split charging

CLC Number:

TP391

QI Xin,ZHANG Li,WANG Fuzhong,WANG Xiaohui. A Central Air Conditioning Measurement Method Based on Gaussian Mixture Model[J].Electronic Science and Technology, 2020, 33(10): 33-39.

Figures/Tables 9

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References 20

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时间	用电量均值/kW·h	用电量标准差
1时~9时	0.024	0.032
10时~14时	0.055	0.052
15时~19时	0.059	0.049
20时~24时	0.104	0.090
中央空调机组	0.054	0.063

文献	方法	特点	月电费/元
[5]	面积分摊法	计量简单、方便,但易造成恶性消费	113.40
[13]	冷量计费法	理论上最准确的计量,但计量复杂,普适性差	90.80
本文方法	高斯差分计量法	计量准确,适用于工程实际	74.77

A Central Air Conditioning Measurement Method Based on Gaussian Mixture Model

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