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轉(zhuǎn)換比率:金額 X 10=金幣數(shù)量, 例100元=1000金幣 | 論文字?jǐn)?shù):41頁 | ![]() | |
折扣與優(yōu)惠:團購最低可5折優(yōu)惠 - 了解詳情 | 論文格式:Adobe Reader格式(*.pdf) | ![]() |
摘要:隨著國民經(jīng)濟的迅速發(fā)展,10/0.4kV變配電系統(tǒng)也進入高速發(fā)展時期。變配電系統(tǒng)作為供配電的核心,直接影響到居民用電的質(zhì)量。 本論文《捷榮房地產(chǎn)10/0.4kV配電工程》,首先通過對原始資料的分析及總負(fù)荷選擇主變壓器,同時根據(jù)主接線的經(jīng)濟可靠、運行靈活、和當(dāng)?shù)卦O(shè)計原則要求,選擇了三種待選主接線方案進行了技術(shù)比較,最后確定了變電所電氣主接線方案。 其次進行短路電流計算,從三相短路計算中得到短路發(fā)生在母線時,其短路穩(wěn)態(tài)電流和沖擊電流的值。再根據(jù)計算結(jié)果及母線的額定電壓和最大持續(xù)工作電流進行主要電氣設(shè)備選擇及校驗(包括斷路器、隔離開關(guān)、電流互感器、電壓互感器等)。 最后繪制了電氣主接線圖、電氣總平面布置圖等相關(guān)設(shè)計圖紙。一次部分設(shè)計由說明書,計算書與電氣工程圖組成,說明書和計算書包括配電房總體分析、負(fù)荷分析與主變選擇、電氣主接線設(shè)計、短路電流計算、電氣設(shè)備選擇。 關(guān)鍵詞:電氣主接線設(shè)計;短路電流計算;電氣設(shè)備選擇
Abstract:With the rapid development of the national economy, 10/0.4kV variable power distribution system is also in rapid development period. As the core of power distribution,it directly affects the quality of residential electricity. Firstly, through the analysis of raw data and the total load to select the main transformer, three kinds of programs will be selected in the main wiring technical comparison according to the flexible operation and design principles and requirements of local. Finally, the main electrical substation wiring program will be selected. Secondly, the simulation of short circuit current calculation. Calculated the steady-state current and the impact of short-circuit current from the three-phase short circuit occurred in the bus. Then according the results and the bus voltage and maximum continuous rated operating current to validate the main electrical equipment(including circuit breaker, disconnecting switch,current transformer,voltage transformer,etc). Finally, make the main draw of the electrical wiring diagram, electrical general layout plan and other related drawings. The first part consist of specifications, computation book and electrical engineering drawings. Keywords: Main Electrical wiring design;Short-circuit current calculation;Electric equipment selection
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