It is showed different "V" connection transformers, "Y" connection transformers and balance transformers, and some other transformers used in AT supply system. All of these transformers are analyzed from safe power supply, economic advantages, and technology required.
给出了基于V形变压器、Y形变压器和平衡变压器等多种同相AT牵引供电系统结构,并从供电可靠性、经济性和技术要求上,分析了各种同相AT牵引供电系统的优劣。
For power transformer with Y/ d connection, two current compensation methods of Y d and d Y are usually used in differential protection to revise magnitude and phase angle.
对于星形/三角形(Y/d)连接组的变压器,形成差动量一般采用2种转角方式:Y侧电流移相转角(Yd)和d侧电流移相转角(dY)以实现二次电流的幅值和相位校正。
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