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|個案家庭電器用電監測與解析 ─以開飲機、冰箱、電視與桌上型電腦為例;Monitoring and Analyzing the Household Electricity Usage -This Study focuses on Water Dispenser, Refrigerator, TV and Desk Top Computer-
|節電策略;用電特性;家庭電器;電力監測;household appliances;electricity monitor;saving electricity strategy;electricity usage feature
|2009-09-21 12:15:20 (UTC+8)
|家庭用電因生活模式差異大，各家庭之用電狀況各異；而家庭用電通常並無專人管理，在省能意識低落及能源知識不足之情況下，使得家庭節能相當不易。根據文獻記載，家庭用電中若區分為照明、空調及家庭電器，其中以家庭電器之用電量最大；故本研究以個案研究方式，挑選開飲機、冰箱、電視及桌上型電腦(含主機及螢幕)等電器，透過電力監測模組，實際監測三戶個案家庭於二週中之用電狀況，解析其用電特性，探尋個案專屬之節電策略。 三戶個案之四項電器監測結果與其他研究比較，在多台電器上，仍有相當之差異，且各個案家庭成員對其用電量之認知與監測結果平均僅有33.3%之正確性，故對家庭用電仍應以個案監測方式進行，較能接近真實狀況。 監測結果亦顯示，三戶個案共十二台受監測之電器中，有十台電器之假日用電量大於平常日，而差異程度大小依序為桌上型電腦、電視、冰箱及開飲機。其中開飲機與冰箱為持續使用型之電器，其於任一時間皆有基本用電量，故受使用者之依賴程度影響較小；而電視與桌上型電腦則屬間歇使用型之電器，故其逐時用電出現明顯之區間及尖峰特性。 本研究依用電監測結果對三個案分別提出專屬之節電策略。而具共通性者，則建議家庭於無人在家活動時，關閉開飲機；並在不使用電視及桌上型電腦時，徹底隔離電源。估計各個案平均每月約可節省14.7度之電力。故對於用電特性差異大之家庭用電，經本研究以個案實際監測法進行解析後，證實能針對個案用電特性，提出有效之節電策略。因此，建議未來家庭節能之研究可以實際監測法進行，並可納入空調類電器之研究，以擴大節能空間；亦鼓勵電力業者投入家庭電力監測與提供節電策略服務之市場。 Household daily electricity usage varies due to individual’s chosen life style or family needs. The lack of knowledge in energy consumptions and willingness to learn or understand the utilization of limited energy resources effectively makes it difficult to integrate efficiently usage of energy in day to day life. According to an article related to energy consumptions, household electricity usage can be grouped into lighting, air conditioner and home appliances and it states that family electricity usage is dominated by household appliances. Hence, this research focuses on water dispensers, refrigerators, televisions and desk top computers (CPU & display). The research has been conducted through monitoring three households with electricity usage throughout the two weeks. The features of electricity usage are analyzed and the customized strategies for saving electricity are suggested. There is a significant difference between the result of monitoring four kinds of household appliances in three households and other published papers. There is a difference between each family member’s acknowledgment of energy usage and the monitor result. The accuracy reaches 33.3% only. As a result, household energy consumption should be monitored individually in order to present the real situation. The research exhibits that ten of twelve home appliances under monitoring are used more frequently during weekends than weekdays. Desktop computers, televisions, refrigerators and water dispensers are ranked from the greatest to the littlest in terms of variance. Among them, refrigerators and water dispensers are operated continuously and there’s a basic consumption rate associated. Hence, the energy consumption is less likely to be influenced by the users. On the other hand, televisions and desktop computers are used intermittently; therefore, the intervals and peaks are reflected. This paper proposes saving energy strategies for the three subjects respectively based on monitor results and suggests turning off water dispensers when no one is home. Moreover, when desktop computers and television are not used, the power should be isolated. With this practice, each household is estimated to save 14.7 watts of energy per month. This study presents the effective saving energy strategies for each subject according to the monitor result of electricity usage features. To conclude, monitoring is recommended for future saving energy researches. It is also suggested for air conditioning studies in order to increase the efficiency of saving energy. Last but not the least, power suppliers are encouraged to put efforts in household electricity monitoring and provide saving energy service in the market.
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