工業技術研究院

技術簡介

本技術整合中央空調系統空氣側及水系統節能策略，以達到提升中央空調系統運轉效率之目地。本控制策略包含了三個技術，第一部份為空氣側FCU動態溫度設定，可依戶外溫度變化動態設定FCU溫度滿足場域舒適度。第二部份為水系統冷凍噸需求轉換，利用FCU感測資訊轉換成水系統冷凍頓最為水系統最佳化控制目標。最後為水系統最小耗能演算，利用最佳化方法找出單位冷凍噸下最小耗能之運轉操作點。

Abstract

An energy saving control strategy is applied to improve the efficiency of the whole HVAC system. This strategy includes three parts. Firstly, a control technology is used to setting the target temperature of each FCU according to the variable weather, automatically. Secondly, the sensing data of FCUs are transfer to the RT requirement. Finally, an optimal algorithm is applied to find out the best operating point with the minimum energy consumption.

技術規格

．輸入項目： FCU群：室內/外溫度及FCU設定溫度 水系統：水系統感測數據、設備耗電、設備運轉頻率 ．可自訂設定項目: 可設定FCU溫度調控範圍 水泵及水塔風扇頻率範圍 冰水/冷卻水流量範圍 冰水出/回水溫度限制 ．演算法則: FCU群：依室內外溫度模型產生FCU溫度設定值 水系統：依能耗模型自動找出最水耗能操作點，包含冰水泵、冷卻水泵流量及冰水溫度。 ．輸出項目： FCU群：自動控制FCU群設定溫度 水系統：自動調整冰水泵、冷卻水泵頻率及冰水設定溫度。 ．節能成效： 依冰機型態不同，系統效率可達0.65 kW/RT ~0.9kW/RT間，水系統節能30％。

Technical Specification

．Input： FCUs: Outdoor/indoor temperature and FCU setting temperature Water system: Water system sensing data, equipment energy consumption and device speed ．Items can be set: The range of FCU setting temperature The range of pumps/fans speed The range of chilled/cooling water flow The limit of chilled supply/return water temperature ．Algorithm: FCUs: A regression model is applied to adjust FCU setting temperature dynamically according to the variably indoor and outdoor temperature. Water system: The energy consumption model and optimal algorithm are applied to find out the global operation point with the minimum total consumption. Therefore, the chilled/cooling water flow and chilled water supply temperature can be controlled. ．Output： FCUs: The setting temperatures of FCUs are adjusted automatically. Water system: The speed of chilled/cooling water pumps and chilled water supply temperature are adjusted automatically. ．Benefit: The efficiency of water system can be controlled between 0.65 kW/RT-0.9kW/RT according to the difference of chiller type. The energy saving of water system is about 30％.

技術特色

傳統空調水系統均多以各設備獨立控制為主，未考量各設備間的影響，整體系統並非運轉於最佳效率點上。本技術以除了考量水系統整體最小耗能運轉操作外，再整合空氣側資訊，由空氣側回饋冷凍噸需求至水系統，進行冷凍噸需求調整並找出其單位冷凍噸下之整體水系統最小耗能運轉狀態。

應用範圍

適用於空調圖控系統、能管系統整合、網路監控平台、節能相關產業等

接受技術者具備基礎建議（設備）

空調產業相關設備與效率檢測設備。

接受技術者具備基礎建議（專業）

具備空調系統、圖控廠商、節能相關領域研發工程人員與銷售業務。

聯絡資訊