Heating system performance estimation using optimization tool and BEMS data

被引：24

作者：

Djuric, Natasa ^{[1
]}

Novakovic, Vojislav ^{[1
]}

Frydenlund, Frode ^{[2
]}

机构：

[1] Norwegian Univ Sci & Technol, Dept Energy & Proc Technol, NO-7491 Trondheim, Norway

[2] SINTEF Energy Res, NO-7465 Trondheim, Norway

来源：

ENERGY AND BUILDINGS | 2008年 / 40卷 / 08期

关键词：

hydronic heating; optimization; model calibration; fault detection;

D O I：

10.1016/j.enbuild.2007.12.006

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Causes and effects of a few real faults in a hydronic heating system are explained in this paper. Since building energy management system (BEMS) has to be utilized in fault detection and diagnosis (FDD), practical explanations of faults and their related effects are important to building caretakers, A simple heat balance model is used in this study. The model is calibrated using the optimization tool. Site data from the BEMS of a real building are calibrated against the model. Desired and real data are compared, so that the effects of the following faults are analyzed: faults in an outdoor air temperature sensor, fault in the time schedule, and a water flow imbalance problem. This paper presents an overview of the real causes of the faults and their effects both on the energy consumption and on the indoor air temperature. In addition, simple instructions for the building caretakers for fault detection in the hydronic heating systems are given. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：1367 / 1376

页数：10

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