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首页> 外文期刊>IEEE Transactions on Energy Conversion >Study of a Prediction Method of the Failure Time and Failure Voltage of Generator Stator Bars Under the Electrical Stress Test
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Study of a Prediction Method of the Failure Time and Failure Voltage of Generator Stator Bars Under the Electrical Stress Test

机译:电力应力测试下发电机定子条故障时间和故障电压的预测方法研究

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摘要

A method for predicting the failure time and failure voltage of generator stator bars under the electrical stress test was proposed. The method established a general life prediction theory model for the electrical stress test based on the negative power-exponential model, and this model could predict the insulation life of stator bars under the electrical aging test and breakdown test. Then, we utilized Weibull distribution theory to estimate the life factor in the model and predict the failure time and failure voltage of the stator bars under the step-by-step test. The test results were consistent with the estimated results, and the correctness of the proposed method was verified.
机译:提出了一种用于预测电力应力测试下发电机定子条的故障时间和故障电压的方法。该方法建立了基于负功率指数模型的电力测试的一般寿命预测理论模型,并且该模型可以在电老化试验和击穿测试下预测定子杆的绝缘寿命。然后,我们利用威布尔分布理论来估计模型中的寿命因子,并在逐步测试下预测定子杆的故障时间和故障电压。测试结果与估计结果一致,验证了该方法的正确性。

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