摘要
目前,在异步电机轻载和小转差率(0.005～0.02)时,转子断条故障的诊断还没有行之有效的方法。本文在分析大量文献和试验的基础上,提出用BURG算法的AR谱估计方法来诊断异步电机转子断条故障。该方法和经典谱估计相比,由于其对数据和自相关函数进行了有效的外推,故频率分辨率有显著的提高。在异步电机轻载和小转差率情况下,利用该方法对转子断条故障进行诊断,取得了较好的效果。
At present, there is not an absolutely effective method, which detects the rotor faults in induction motor in the condition of light burden and little speed difference ratio. This paper puts forward AR model method based on BURG algorithm. Because of extending the data and auto correlation function, the frequency differentiate ratio is obviously improved compared with classic power-spectrum estimation. In the condition of light burden and little speed difference ratio, the results based on the method are satisfactory.
出处
《船电技术》
2002年第3期43-47,共5页
Marine Electric & Electronic Engineering
