A Method of Starting Performance Calculation Based on Lock Test for Linear Induction Motor
A Method of Starting Performance Calculation Based on Lock Test for Linear Induction Motor
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基于锁定试验的直线异步电机启动性能计算方法
DOI：
10.1541/ieejias.112.172
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发表时间：
1992
影响因子：
--
通讯作者：
T. Toda
中科院分区：
文献类型：
--
作者：
T. Mizuno;Y. Hisamitsu;T. Ichioka;T. Toda
直线感应电机(LIM)的等效电路一般表示为旋转感应电机的等效电路。然后，利用与电机相似的空载试验和锁定试验结果，得到直线电机的启动性能。但是，直线电机在工厂中几乎不可能进行空载试验，因为它需要专门的设备来同步移动动子。因此，需要一种新的方法通过简单的试验来计算直线电机的性能，而不需要空载试验。本文提出了一种不需要空载试验的直线电机启动性能计算方法。首先给出了试验机的空载试验和锁定试验结果。提出了一种适用于直线电机性能计算的等效电路。此外，还讨论了根据锁定试验结果确定其常量的方法，并利用所提出的等效电路对直线电机的启动性能进行了计算。推力-转速、电流-转速、功率输入-滑移特性的计算结果与实验结果吻合较好。
The equivalent circuit of the linear induction motor (LIM) is generally expressed as the same that of the rotating induction motor (IM). Then, the starting performance of the LIM is obtained using results of the no-load test and the lock test similar with the IM.However, it is almost impossible to perform the no-load test for the LIM in the factory, because it needs a special equipment to move the mover at synchronous speed. Therefore, a new method is required to calculate the performance of the LIM by simple tests without the no-load test.In this paper, we propose a new method which does not need the no-load test for the starting performance calculation of the LIM. At first, the results of the no-load test and the lock test for the test machine are shown. And an equivalent circuit which is suitable for the performance calculation of the LIM is proposed. Moreover, a method of determining its constants from results of the lock test is discussed.The starting performance calculation for the LIM was made using the proposed equivalent circuit. The calculated results for the thrust vs. speed, the current vs. speed and the power input vs. slip characteristics were satisfactorily agreed with experimental results.