The main factors to choose connection mode of rectifier unit are discussed. The vectorgrams of transformer in different connection modes and the output voltage waveform after rectifying are analyzed.

• 摘要阐述了选择整流机组接线方式时需考虑的主要因素，分析了采用不同变压器联结方法的相量图以及整流后输出的电压波形。