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一、前言 TF-1100型复式脱粒机是国家定型产品,已生产多台分布在各地使用,受到国营农场和人民公社的欢迎。但该机以拖拉机为主要动力,易与夏耕夏播用拖拉机相矛盾。因此,有电地区均想将它改为电力拖动。 据调查,一些生产单位在改用电力拖动时,采用了JO72-4型20(?)瓧三相鼠笼式异步电动机,但在农村电网条件下,普遍存在起动困难或在起动过程中常常将保险丝烧毁等问题,以致无法正常使用。
I. Introduction TF-1100 double-type thresher is a national stereotypes products, has produced more than one distribution in various places, by state-owned farms and people’s communes welcome. However, the main tractor aircraft to power, easy and summer tractor contradictions. Therefore, the electric region want to change it to electric drive. According to the survey, some production units switch to electric drive, the use of JO72-4 type 20 (?) 瓧 three-phase squirrel-cage induction motor, but in rural power grid conditions, the prevalence of difficulty in starting or during the start-up process The fuse burned and other issues, resulting in failure to normal use.