Technical specification for yzr range of high - voltage medium - sized wound - rotor three - phase induction motors for crane and metallurgical application Yzr系列起重及冶金用中型高压绕线转子.三相异步电动机技术条件
Technical specifications for yzre range of electromagnetic braking three - phase slip - ring rotor induction motors for crane and metallurgical application Yzre系列起重及冶金用电磁制动绕线转子三相异步电动机技术条件
Technical specifications for yzrf and yzrg range of forced - ventilated wound - rotor three - phase induction motors for crane and metallurgical application Yzrf yzrg系列起重及冶金用强迫通风型绕线转子三相异步电动机技术条件
For more information about electric motors , frequency changer or slip ring motors please call the company woelf 在生产商和服务商woelf出色的网页上可以找到价廉物美的频率变换器,电动机,集电环（绕线）型转子电动机、绕线转子异步电动机。
Following this conclusion , various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive . machine model for doubly fed power generation has been given and control equations are discussed 其次，借鉴各种交流调速方法，研究电机双馈发电运行的模型和控制手段，采用自控式调频，提出了绕线转子双馈发电机的矢量控制策略。
