| 1. | Applicable to the start - up and operation of 50hz single - phase motor
绝缘电阻高，自愈性好，寿命长 |
| 2. | Specification for centrifugal starting switch use of single - phase motor
单相电动机起动用离心开关.技术条件 |
| 3. | Applicable to the start - up and operation of 50hz 60hz single - phase motor
适用于频率为50hz 60hz的交流电源供电的单相电动机的启动和运转 |
| 4. | Applicable to the start - up and operation of 50hz 60hz single - phase motor
适用于频率为50hz 60hz的交流电源供电的单相电动机的启动和运转 |
| 5. | In the end , the experiment on a single - phase motor with symmetrical windings is made by the inverter . experimental results verify the feasibility of the voltage - vector pwm method of variable frequency control for single - phase motor
最后，利用制作的单相变频器对绕组对称的单相电机进行了变频调速实验，实验结果验证了单相电动机电压矢量式pwm变频调速控制方法的可行性。 |
| 6. | In this paper , according to the equation of voltage vector of single - phase motor operating at symmetrical condition , author presents a new voltage - vector pwm method of variable frequency control for single - phase motor . in system , the voltage vector is used as a control parameter
本文根据单相电动机对称运行时的合成电压矢量方程，提出了以合成电压矢量为控制量的单相电动机电压矢量式pwm变频调速控制方法，并进行了计算机仿真及制作了单相变频器。 |
| 7. | The control system with such method is simulated and a inverter is made for speed control of single - phase motor . the method presented in this paper offers such advantages as easy implementation , large range of frequency and rapid dynamic response . furthermore , using this method , the single - phase motor with symmetrical or dissymmetrical windings can operate symmetrically
本文提出的变频调速控制方法具有系统设计简单易实现，调速范围大，动态响应快等特点，而且在电机绕组对称和不对称两种情况下均可实现变频调速的对称运行。 |
