LNG冷剂压缩机用大型空冷正压/增安型防爆电机国产化研制

Localization of Large Air-cooled Pressurized or Intrinsic Safety Explosion Proof Motor for LNG Refrigerant Compressor

介绍了20 MW级LNG冷剂压缩机用大型防爆电机的国产化研制背景、运行工况特点和电机参数需求,提出了研制样机的防爆安全技术、大容量冷却技术与轴电压预防与控制技术,罗列了技术关键点并进行了分析,为20 MW级LNG冷剂压缩机用大型防爆电机的国产化研制提供了实施路径。

It introduces the localization background,operation characteristics and motor parameter requirements of large explosion proof motor for 20 MW LNG refrigerant compressor.The explosion proof performance,large capacity cooling methods,shaft voltage prevention and prototype control of the motor are puts forward.The key technical points provide the implementation path for its localization.