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變電站電氣設(shè)計(jì)報(bào)告(存儲(chǔ)版)

  

【正文】 =Iw5QS24Ds=Iw4DsDs39。Ds39。Ds39。Ds39。Ds39。Df39。Df’=Iw1QF24Df=It3Df39。其中,QF代表斷路器,QS代表隔離開(kāi)關(guān),W代表母線。 單母線分段帶旁路 這種接線方式適用于進(jìn)出線不多、容量不大的中小型電壓等級(jí)35~110 kV的變電所較為實(shí)用,具有足夠的可靠性和靈活性。35KV側(cè): 110KV側(cè): 35KV側(cè):時(shí)段13478121317182021222324負(fù)載率1負(fù)載(MVA)110KV側(cè):時(shí)段167910131416172021222324負(fù)載率1負(fù)載(MVA) 220KV側(cè):時(shí)段1346789101213141617182021222324負(fù)載(MVA) 所以, 選擇3臺(tái)主變,由根據(jù)數(shù)據(jù)庫(kù)資料,選擇型號(hào)為OSFPSLZ1180000/220的變壓器,其額定容量為180000KVA時(shí)段1346789101213141617182021222324負(fù)載(MVA)負(fù)荷系數(shù)無(wú)過(guò)負(fù)荷時(shí)段,故滿足強(qiáng)迫油循環(huán)過(guò)負(fù)荷校驗(yàn)。它起著變換和分配電能的作用。為保證正常的供配電要求,各地都在興建一系列的供配電裝置。關(guān)鍵詞:變電所; 設(shè)計(jì);電氣設(shè)備Design of the 220/110/35kv substationAbstract:With the fast growth of our country national economy, using the electricity also bees important of the development and supervision in our country. And the substation is a very important part of the power system. It directly affects safety and economic operation of the whole system, for it connects the generation plant and the user, which takes charge of transformation and distribution of electricity power. Because of this, everywhere a series of electricity device are built. And the design of the 220/110/35kv substation this time contains design of main electrical connection scheme, calculation of short circuit current and the choice of main electrical equipment. The text introduces the design method on way of thinking and new technique of the substation which can be the theories the related design.Key words: substation。下面就是對(duì)處于市區(qū)中心的所變電站的設(shè)計(jì)。單母線可用隔離開(kāi)關(guān)分段,但當(dāng)一段母線故障時(shí),全部回路仍需短時(shí)停電,在用隔離開(kāi)關(guān)將故障的母線段分開(kāi)后,才能恢復(fù)非故障段的供電,并且電壓等級(jí)越高,所接的回路數(shù)越少,一般只適用于一臺(tái)主變壓器。如果需要檢修某線路的斷路器時(shí),不裝設(shè)“跨條”,則該回路在檢修期需要停電。=It1QF19Df=Iw3DfDf39。Df’=Iw4QF27Df=Iw1/Iw2DfDf39。=Iw3QS2Ds=0Ds39。=Iw3QS6Ds=0Ds39。=Iw3QS10Ds=0Ds39。=Iw3QS14Ds=0Ds39。=Iw5QS19Ds=Iw4DsDs39。=Iw5QS27Ds=Iw4DsDs39。=Iw5QS35Ds=Iw4DsDs39。=Iw5QS43Ds=Iw3DsDs39。=Iw1QS50Ds=It2Ds39。=Iw4QS54Ds=It3Ds39。=Iw4QS58Ds=Iw2DsDs39。=Iw1+Ig1QS64Ds=Iw2DsDs39。=Iw2QS70
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