GB/T 30143-2013
AbolishedSpecification for YZR series of wound-rotor three-phase induction motors for crane and metallurgical applications
YZR系列起重及冶金用绕线转子三相异步电动机技术条件（机座号450～500）
Application Summary AI generated
This standard specifies the technical requirements for YZR series wound-rotor three-phase induction motors with frame sizes 450 to 500, designed for crane and metallurgical applications. It covers parameters such as rated power, torque characteristics, and thermal protection for motors operating in harsh environments with high ambient temperatures, dust, and frequent starting or reversing. The standard is applied in the design, manufacturing, and testing of motors used in overhead cranes, hoists, and steel mill auxiliary equipment.
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