山里乡SUPER单相电机HANGSU调速马达103H7123-0440
直流电机电枢反应的问题
1、直流电机的电枢磁场,对转矩没有贡献;
2、直流电机的电枢磁场,对主极磁场是交轴去磁作用,负载大时电枢电流大,去磁作用越强;
3、直流电机的定子磁场,都安装有换向极,换向极的励磁电流就是电枢电流;
4、换向极的磁极方向与电枢磁场方向始终相反,互相抵消,这样保证主极磁场方向不变,磁场不会因电枢反应而减小!
5、直流电机的电枢电流与励磁电流分别控制并没有优势可言;而恰恰是交流电机的电枢电流磁势与转子电流磁势互相抵消从而保持旋转磁势恒定有优势!
6、硬是要将将交流电机3-2变换成直流电机的励磁电流与转矩电流分别控制的矢量控制是无知的“巫术”!
山里乡SUPER单相电机HANGSU调速马达103H7123-0440

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山里乡SUPER单相电机HANGSU调速马达103H7123-0440

山里乡SUPER单相电机HANGSU调速马达103H7123-0440
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山里乡SUPER单相电机HANGSU调速马达103H7123-0440
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