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變壓器型號通常是怎么看的,變壓器型號的組成?

發表時間:2021-09-10 17:41【 閱讀量:-查看手機網址
掃一掃!變壓器型號通常是怎么看的,變壓器型號的組成?掃一掃!

  A:變壓器的型號由:變壓器繞組數+相數+冷卻方式+是否強迫油循環+有載或無載調壓+設計序號+“-”+容量+高壓側額定電壓組成。1基本內容鐵等重要電力用戶配電網以及發電廠廠用電系統。產品采用優質進口不銹鋼或國產不銹鋼電熱金屬材料,具有電導率高、溫度系數高、耐腐蝕、耐高溫、抗氧化能力強、抗拉強度高及阻值穩定等優良特點,產品運行安全可靠。中壓配電系統中,如果變壓器為三角形接法,則需加裝Z型接地變壓器,以便為系統人為引出中性點,以加裝中性點接地電阻。 二、一般使用條件:1、海拔高度:不超過4000m; 2、環境溫度:-40℃~+65℃; 3、相對濕度:不大于95%(25℃);4、安裝場所:空氣中不含化學腐蝕氣體和蒸氣,無爆炸性塵埃; 5、電網頻率:48~52Hz(50 Hz系統),58~62 Hz(60 Hz系統); 6、適用于:戶內、戶外;7、電阻安裝點:正常狀態下中性點位移不超過運行相電壓的3%。

  

  B:一般是看銘牌.三相為S單相為DM為全密封.接著數字就是型號.如s11-m-1000/10!沒有銘牌的情況下.一般憑經驗判斷.油重.線徑大小.器身大小.都是參考數據.(變壓器雖然產地廠家不同.但是規格基本上相差不會太大)個別除了了S730KV當如今S1150KV大小!但是S7和S11很好分辨.S7器身是油管.S11是波紋片!最后還要說一種情況.就是增容.這類變壓器屬于私人改裝.外觀是沒法分辨的.外行人是看不出來的.分辨這類變壓器.必須要內行人吊芯!(這類變壓器被嚴格管制.被電力公司查了罰款比較重)


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