The extending techniques such as vector transform, excitation inrush current , TA saturation and so on are analyzed, which resolves the question that the traditional optical differential protection can not satisfy the request of line-transformer unit.是什么意思_The extending techniques such as vector transform, excitation inrush current , TA saturation and so on are analyzed, which resolves the question that the traditional optical differential protection can not satisfy the request of line-transformer unit.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句