2025-09-06 22:26 浏览次数 6
直流电机;直龙
maintenance practices for the commutator of the dc machine in the steel mill are introduced in this paper.
本文着重介绍了冶金企业轧钢车间大型直流电机换向器的现场维护工作和体会。
if the excitation current is too great, adopting dc machine excitation would require more collecting rings.
如果励磁电流太大,采用直流机励磁则会引起集电环的对数增多。