都會區鐵路地下化建立立體化交通網帶動社會經濟發展,設計階段如未考量實際用電需量,車站啟用後將增加電費支出。從北部都會區已經啟用的地下化車站,近一年的用電歷史資料發現,車站不論在尖峰時間或離峰時間,實際用電需量和預估需量都相差很大。 本文將利用民國九十七年間南港車站啟用的配電系統,測試車站主要設備的用電需量,訂定設備需量因數,同時監測配電系統變電站實際用電情形,比對既成車站用電需量,訂定變電站參差因數及單位面積用電需量密度,提供日後設計類似車站的基準。 南港車站用電期間曾經發生用電需量超約,本研究將分析用電需量超約原因,改善原設計用電需量超約直接卸載方式,建立對車站營運影響最少的間接卸載,經實地測試結果,符合車站用電需量控制需求。
Railways in urban areas usually go underground to improve city traffic and economy. It will increase electricity expense if we do not project the real demand of electricity consumes during process step. According to the historical data of electrical charges last year, the difference between practical and anticipated demand capacity is significant at underground stations either during peak or off-peak hours. The power supply system at Nang-gang station initiated in 2008 is mainly applied to record the electricity demand of infrastructural equipment and to establish demand factors. Simultaneously, the previous and current electricity demand of substation distribution system are compared for the purpose of diversity factor and demand use intensity (DUI) which colud provides the feasible standard for future resembling station design. The demand capacity has exceeded supply under the contract in the case of Nang-gang station. Therefore, this study aims to analyze the cause of the violation of the demand capacity and to improve the direct load shedding method. The tested result has shown that the indirect load shedding method meets the requirements of the demand capacity control.