英文資料翻譯--經(jīng)濟(jì)型節(jié)能系統(tǒng)在水泵方面的應(yīng)用

1、<p>　　"ECONO-PILOT”ENERGY-SAVING SYSTEM FOR WATER PUMPS</p><p>　　We have developed the “Econo-Pilot” energy-saving system for water pumps, which reduces the power consumption of motors for water su

2、pply. In the energy-saving control field, the conventional method used is that of constant pressure control of the water supply with inverters. However, as Econo-Pilot employs a method of variable water pressure control

3、corresponding to flow volume, the system can raise the energy-saving ratio up to 90 percent.</p><p>　　This paper describes the principles of the system and its basic functions, along with a case study of som

4、e practical applications.</p><p>　　INTRODUCTION</p><p>　　With the background of fulfilling public commitments for the prevention of global warning, many countries have consolidated related laws

5、and regulations aiming to reduce energy consumption. Energy conservation has become one of the important issues for companies and organizations accredited with the ISO 14000 series standards certification because they ar

6、e required to achieve yearly targets for improvements, which have, in a sense, the same implications as laws. In a prolonged recession, investm</p><p>　　However, large-scale renewal investments which entail

7、enormous costs cannot be implemented easily. Consequently, there have been increasing needs for energy conservation activities which bring about substantial cost reduction effects but can be conducted inexpensively with

8、ease and minimum risks, while at the same time utilizing existing facilities.</p><p>　　Figure 1 is a graphical indication of the energy consumption ratios of office buildings, which is based on research cond

9、ucted by the Building-Energy Manager's Association of Japan. As indicated in the graph, air conditioning-related items account for half of the total consumption. This means that air conditioning must be the main targ

10、et for energy conservation.</p><p>　　Figure 1 Energy Consumption of Office Buildings by Usage</p><p>　　Among air conditioning-related technologies, we have focused on the control of air conditi

11、oning pumps and have developed a new energy-saving control system called "Econo-Pilot" which meets the requirements for implementations mentioned earlier system.</p><p>　　The Econo-Pilot adopts a n

12、ew control mechanism contrived by three enterprises-Yokogawa Electric Corporation, Asahi Kogyosha Co, Ltd., and The First Energy Service Company, Limited-and was commercialized by Yokogawa after the development and demon

13、stration phases, through joint research with the New Energy and Industrial Technical Development Organization (NEDO).</p><p>　　OVERVIEW OF AN AIR CONDITIONING SYSTEM</p><p>　　Figure 2 shows an o

14、verview of an air conditioning system. Broadly speaking, energy is consumed by heat sources, water pumps, and ventilators.</p><p>　　FIgure 2 Overview of an Air Conditioning System</p><p>　　A he

15、at source generates cold/hot water through gas combustion in the case of applying a gas-based cold/hot water generator, the cold/hot water is then conveyed to air conditioners by water pumps. Inside air conditioner, the

16、cold/hot water is flowing through heat exchange equipment where air is warned up or cooled when passing through the heat exchange equipment via ventilators- and then the warned/cooled air is blown to an area through duct

17、s.</p><p>　　Water pumps are mainly classified into primary pumps, secondary pumps, and cooling pumps, but their power consumption is almost the same. Among them, we have focused on secondary water pumps whos

18、e flow volume varies significantly according to demand.</p><p>　　“經(jīng)濟(jì)型”節(jié)能系統(tǒng)在水泵方面的應(yīng)用</p><p>　　我們已經(jīng)對(duì)經(jīng)濟(jì)型的水泵節(jié)能系統(tǒng)作了一些研究，這個(gè)系統(tǒng)幫助節(jié)約馬達(dá)對(duì)運(yùn)輸水時(shí)的功耗。在節(jié)能領(lǐng)域，傳統(tǒng)的方法是利用整流器通過壓力來控制水量，而“經(jīng)濟(jì)型”系統(tǒng)采用多種水壓保證流量的水壓相一致，因此這個(gè)系統(tǒng)能使節(jié)

19、能效率達(dá)到90%。本文將著重介紹系統(tǒng)的原理基本功能以及部分實(shí)際應(yīng)用情況。</p><p><b>　　引言 </b></p><p>　　在保護(hù)地球的號(hào)召下，許多國家聯(lián)合并鞏固了相關(guān)的法律法規(guī)來實(shí)現(xiàn)減少能源消耗，能量守恒問題之所以成為工廠機(jī)構(gòu)最重要的問題之一，歸功于ISO14000系列標(biāo)準(zhǔn)的保證，因?yàn)樗麄兠磕甓急仨氝_(dá)標(biāo)就如同服從法律一樣，在長(zhǎng)期的經(jīng)濟(jì)蕭條中，與經(jīng)濟(jì)緊密

20、相連的節(jié)能投資已經(jīng)開始倍受關(guān)注。</p><p>　　然而大規(guī)模的節(jié)能設(shè)施投資之所以沒有那么容易實(shí)施，主要是需要負(fù)擔(dān)巨大的經(jīng)濟(jì)成本，漸漸的，人們對(duì)低風(fēng)險(xiǎn)，低成本，高效率的能量守恒需求越高。</p><p>　　圖1，指示了辦公室各種設(shè)備能量消耗的情況，此圖由日本能量建筑理事協(xié)會(huì)通過研究得出，從圖可得空調(diào)的消耗量占一半，這意味著空調(diào)將是能量守恒所研究的主要對(duì)象。</p><

21、;p>　　圖1 辦公室各種設(shè)備能量消耗的情況</p><p>　　在眾多的關(guān)于空調(diào)的技術(shù)中，我們已經(jīng)把目標(biāo)集中在空調(diào)泵上，并制造出一種“經(jīng)濟(jì)型”的新型節(jié)能控制系統(tǒng)，這個(gè)系統(tǒng)迎合了先前系統(tǒng)所缺少的需求。</p><p>　　“經(jīng)濟(jì)型”節(jié)能系統(tǒng)采取了一種新的控制機(jī)制，這個(gè)機(jī)制由Yokojana電子公司，Asahikojyoshal有限公司和第一能源服務(wù)公司三大企業(yè)聯(lián)合制定。第一能源服務(wù)公

22、司后來通過發(fā)展和研究被Yokojana吞并。并且通過了ZN與（工業(yè)技術(shù)發(fā)展組織）ITDO的聯(lián)合研究。</p><p><b>　　回顧先前空調(diào)系統(tǒng)</b></p><p>　　圖2顯示了空調(diào)的內(nèi)部系統(tǒng)，分析先前空調(diào)系統(tǒng)，從總體上講，能源主要以散熱，水泵，通風(fēng)裝置的形式消耗。</p><p>　　圖2 空調(diào)的內(nèi)部系統(tǒng)</p><

23、;p>　　通過電動(dòng)機(jī)引起的熱能給水升溫，然后通過水泵把冷/熱水輸?shù)娇照{(diào)內(nèi)部。冷/熱水進(jìn)入轉(zhuǎn)換由排風(fēng)扇實(shí)行空氣升/降溫，然后從管道中釋放冷空氣。</p><p>　　水泵主要分為主水泵，次要水泵和冷卻水泵，但他們的能源幾乎相同，其中我們主要研究次要水泵，他的流量大小可通過需要發(fā)生改變。</p><p>　　不規(guī)則空調(diào)系統(tǒng)的構(gòu)造指示了冷/熱水的流經(jīng)方向通過加熱產(chǎn)生的冷/熱水被回流到主要水

24、泵當(dāng)中，應(yīng)承對(duì)恒溫水的要求很高，次要水泵主要負(fù)責(zé)輸送要求的水量。</p><p>　　任何位置的空調(diào)操作都由室內(nèi)溫度傳感器和雙向回管所控制的，當(dāng)溫度達(dá)到預(yù)先設(shè)置的溫度時(shí)，這些管會(huì)自動(dòng)關(guān)閉，因此次要水泵的流量會(huì)發(fā)生顯著變化，多功能的次要水泵常用于保證流量的有效變化，例如，一個(gè)或三個(gè)水泵根據(jù)流量變化來操作控制每個(gè)泵的開關(guān)，還有，為了保護(hù)管道與空調(diào)，回管常用水控制以使產(chǎn)生的壓力的管道承受力相符。</p>

25、<p>　　然而美中不足的是回管會(huì)把水泵中的水引流到原位置，產(chǎn)生能源損耗的負(fù)面效果，目前隨著整流器價(jià)格的不斷下跌，通通控制提供必須必要水量時(shí)間的長(zhǎng)短的節(jié)能技術(shù)得到光泛觀注，然而這些整流器為了使水壓力保持不變，使用了控制裝置，所以事實(shí)上他們沒有達(dá)到真正的能量守恒效果。</p><p><b>　　譯者：李達(dá)軍</b></p><p>　　時(shí)間：2006.3.2