變壓器等值電路-三繞組變壓器

電力系統(tǒng)分析三繞組變壓器什么是三相三繞組變壓器？三繞組變壓器三相三繞組變壓器三繞組變壓器簡圖三相三繞組變壓器變電站中利用三繞組變壓器由兩個系統(tǒng)向一個負載供電，如圖(a)所示。發(fā)電廠利用三繞組變壓器把發(fā)出的電壓用兩種電壓輸送到不同的電網(wǎng)。如圖(b)所示。供給特殊電源用的專用變壓器。如:煉鋼爐供電的電爐變壓器、大型電解電鍍、直流電力機車供電的整流變壓器。測量用的儀用變壓器?？刂葡到y(tǒng)實現(xiàn)信號的傳輸——控制變壓器，直到僅傳輸信號的非常小的無線電變壓器。用途220kV110kV10kVU

3U

2U

110kV220kV三繞組變壓器的參數(shù)表型號額定容量(KvA）額定電壓聯(lián)結組標號損耗（KW）空載電流短路阻抗（%）高壓（KV）中壓（KV）低壓（KV）升壓降壓空載負載SFS11-31500/22031500220±2×2.5%242±2×2.5%1151216.36.610.511353738.5YNynd11321540.70高—中22~24，高—低12~14，中—低7~9高—中22~24，高—低12~14，中—低7~9SFS11-40000/22040000381800.63SFS11-50000/22050000452140.56SFS11-63000/22063000532480.56SFS11-90000/22090000693330.49SFS11-120000/22012000010.51113.8353738.5854100.49SFS11-150000/2201500001004870.42SFS11-180000/2201800001145560.42SFS11-240000/2202400001113.815.75353738.51416840.35SFS11-300000/2203000001668080.30220kV三相三繞組電力變壓器技術數(shù)據(jù)三繞組變壓器的參數(shù)表型號額定容量(KvA）額定電壓聯(lián)結組標號損耗（KW）空載電流短路阻抗（%）高壓（KV）中壓（KV）低壓（KV）升壓降壓空載負載SFS11-31500/22031500220±2×2.5%242±2×2.5%1151216.36.610.511353738.5YNynd11321540.70高—中22~24，高—低12~14，中—低7~9高—中22~24，高—低12~14，中—低7~9SFS11-40000/22040000381800.63SFS11-50000/22050000452140.56SFS11-63000/22063000532480.56SFS11-90000/22090000693330.49SFS11-120000/22012000010.51113.8353738.5854100.49SFS11-150000/2201500001004870.42SFS11-180000/2201800001145560.42SFS11-240000/2202400001113.815.75353738.51416840.35SFS11-300000/2203000001668080.30220kV三相三繞組電力