The theory and technology of DTC have a lot of advantages, however, as a kind of the new birth theory and technology, the unperfected aspects and some ones are difficult of being solved.

• 直接转矩控制理论和技术固然有其许多优点，但作为一种诞生不久的新理论、新技术，自然又有其不完善、不成熟之处，有些问题甚至成为发展难以逾越的障碍。