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Performance of VAV Fan Powered Terminal Units: An Evaluation of Operational Control Strategies for Series vs. Parallel Units VAV风机驱动终端装置的性能:串联与并联装置运行控制策略的评估
RP 1292之前的论文介绍了串联和并联VAV风扇驱动终端装置的工程模型和这些模型的实验验证。8英寸的终端装置。(203毫米)和12英寸。在本研究项目下,对三家不同制造商(304 mm)的一次进气口进行了评估。本文从串联与并联风扇供电终端装置的运行控制策略方面介绍了研究结果。每种系统类型都在模拟中运行,模拟了美国五个地区的不同地理位置以及几种不同的控制策略。结果表明,根据系统负荷、系统控制和运行设置,VAV控制策略可以对运行、舒适条件和能耗产生显著影响。 传统的控制策略可能会导致系统性能不佳,从而导致能耗增加。本文还对传统控制策略进行了改进。引文:ASHRAE会议论文,2010年,第116卷,pt。新墨西哥州阿尔伯克基2号
Previous papers under RP 1292 presented engineering models and experimental verification of those models for series and parallel VAV fan powered terminal units. Terminal units with 8 in. (203 mm) and 12 in. (304 mm) primary air inlets from three different manufacturers were evaluated under this research project. This paper presents the results from the research in terms of operational control strategies for series vs. parallel fan powered terminal units. Each system type was operated in a simulation that varied geographic location in five regions of the United States and under several different control strategies. Results show that, depending on system loads, system control, and operational settings, the VAV control strategy can have a significant impact on operations, comfort conditions, and energy consumption. Conventional control strategies are likely going to lead to underperforming systems and a resulting increase in energy consumption. Improvements to conventional control strategies are also presented and discussed in this paper.
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