变压器等值电路-三绕组变压器

电力系统分析三绕组变压器什么是三相三绕组变压器？三绕组变压器三相三绕组变压器三绕组变压器简图三相三绕组变压器变电站中利用三绕组变压器由两个系统向一个负载供电，如图(a)所示。发电厂利用三绕组变压器把发出的电压用两种电压输送到不同的电网。如图(b)所示。供给特殊电源用的专用变压器。如:炼钢炉供电的电炉变压器、大型电解电镀、直流电力机车供电的整流变压器。测量用的仪用变压器。控制系统实现信号的传输——控制变压器，直到仅传输信号的非常小的无线电变压器。用途220kV110kV10kVU

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110kV220kV三绕组变压器的参数表型号额定容量(KvA）额定电压联结组标号损耗（KW）空载电流短路阻抗（%）高压（KV）中压（KV）低压（KV）升压降压空载负载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三相三绕组电力变压器技术数据三绕组变压器的参数表型号额定容量(KvA）额定电压联结组标号损耗（KW）空载电流短路阻抗（%）高压（KV）中压（KV）低压（KV）升压降压空载负载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三相三绕组电力