1、交流调速的功率控制原理屈维谦 聂海亮Qu Weiqian Nie Hailiang摘 要:本文根据电动机最基本的电—机能量转换原理，对交流调速的实质进行了新的分析，并得出交流调速的实质是功率控制的结论。交流调速的所有方法都可归结为电磁功率和损耗功率两种控制方案，电磁功率控制改变的是理想空载转速，调速是高效率的;损耗功率控制增大的是转速降，调速是低效率的。关键词:交流调速 功率控制 效率 Abstract: According to the electromechanical energy conversion principle, the essence of AC
2、 speed regulation is analyzed thoroughly; moreover, a creative conclusion that the essence of AC speed regulation lies in the power control is drawn in this paper. In fact, all the AC speed regulation approaches can be generalized in two basic strategies, electromagnetic power control and loss power
3、 control. The former is to adjust the ideal no-load rotation speed, and thus possesses high efficiency. Whereas, the latter is to regulate the rotation spe交流调速的功率控制原理屈维谦 聂海亮Qu Weiqian Nie Hailiang摘 要:本文根据电动机最基本的电—机能量转换原理，对交流调速的实质进行了新的分析，并得出交流调速的实质是功率控制的结论。交流调速的所有方法都可归结为电磁功率和损耗功率两种控制方案，电磁功率控制改变
4、的是理想空载转速，调速是高效率的;损耗功率控制增大的是转速降，调速是低效率的。关键词:交流调速 功率控制 效率 Abstract: According to the electromechanical energy conversion principle, the essence of AC speed regulation is analyzed thoroughly; moreover, a creative conclusion that the essence of AC speed regulation lies in the power control is dr
5、awn in this paper. In fact, all the AC speed regulation approaches can be generalized in two basic strategies, electromagnetic power control and loss power control. The former is to adjust the ideal no-load rotation speed, and thus possesses high efficiency. Whereas, the latter is to regulate the ro
6、tation spe交流调速的功率控制原理屈维谦 聂海亮Qu Weiqian Nie Hailiang摘 要:本文根据电动机最基本的电—机能量转换原理，对交流调速的实质进行了新的分析，并得出交流调速的实质是功率控制的结论。交流调速的所有方法都可归结为电磁功率和损耗功率两种控制方案，电磁功率控制改变的是理想空载转速，调速是高效率的;损耗功率控制增大的是转速降，调速是低效率的。关键词:交流调速 功率控制 效率 Abstract: According to the electromechanical energy conversion principle, the ess
7、ence of AC speed regulation is analyzed thoroughly; moreover, a creative conclusion that the essence of AC speed regulation lies in the power control is drawn in this paper. In fact, all the AC speed
