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See Chinese contents: GB/T 13957-2022 GB/T 13957-2022: Technical requirements for the fundamental series of three-phase large asynchronous motor
This document specifies the type, basic parameters and dimensions, technical requirements, inspection rules, test methods, as well as requirements for the marking, packaging and warranty period, of three-phase large asynchronous motor. This document applies to large-scale Y series four-pole and above general-purpose cage-rotor three-phase asynchronous motors and large-scale YR series four-pole and above general-purpose wound-rotor three-phase asynchronous motors. The center heights are 710 mm, 800 mm, 900 mm, 1 000 mm and 1 120 mm, respectively. It applies to large-scale YKS, YRKS series three-phase asynchronous motors as a reference.
