CX1030-0111

CX1030-0111

将电动机的端子板上的接线改为两相接线方式，即将原来的三个电源线分别接到两个电源线上，通常选择相邻两个相线，而将第三个相线断开。

　　在电动机转子上增加一个起动辅助装置，如电容器或启动电阻等，以便电动机能够正常起动。

　　对于功率较大的电动机，可能需要进行一些改动以保证性能，如增加热保护装置等。

　　需要注意的是，将三相异步电动机改为二相电动机需要进行电气改造，对于没有相关经验和资质的人员来说，建议寻求专业技术人员的帮助，以确保改造后的电动机能够正常工作，并且符合要求。

　　相异步电动机的工作特性

　　三相异步电动机的工作特性异步电动机的工作特性是指在额定电压和额定频率运行的情况下，电动机的转速n、定子电流I1、功率因数cosφ1、电磁转矩T、效率η等与输出功率P2的关系，即U1=UN，f=fN时，n、I1、cosφ1、T、η=f（P2）。由于异步电动机是一种交流电动机，所以对电网来说需要考虑功率因数，同时由于单边励磁，励磁电流与负载电流共存于定子绕组中，所以要注意到定子电流。而转子电流一般不能直接测取，以致这些特性就得非对输出功率而言不可。和直流电动机一样，熟悉异步电动机的工作特性以后，就可使它很好地完成拖动系统所赋予的使命。

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