同步电机瞬态模式下固体转子最大发热数值计算

2019 IEEE International Conference on Modern Electrical and Energy Systems (MEES) Pub Date : 2019-09-01 DOI:10.1109/MEES.2019.8896601

K. Kuchynskyi, V. Prus

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引用次数: 1

摘要

通过对同步电机实心转子各元件发热的实验值与计算值的比较，分析了最高温度值及其与实验数据的偏差对实际结构热稳定性评价的影响。证明了实齿转子热稳定性评价的实验方法的不充分性。提出了一种利用计算-实验相结合的方法来提高转子表面温度测定精度的模型和方法。研究了热电偶放置深度和位置对计算效率的影响。

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Numerical Evaluation of the Maximum Heatings of Solid Rotor of the Synchronous Machine in Transient Mode

The values of the maximum temperatures and the influence of their deviations from the experimental data on the assessment of the actual thermal stability of the structure have been analyzed on the basis of a comparison of the experimental and calculated values of the heating of the elements of the solid rotor of a synchronous machine. The low adequacy of experimental methods of the assessment of solid toothed rotors thermal stability has been proved. A model and methods for the essential improvement of the accuracy of determination of the rotor surface temperature with the use of a combined calculation-experimental approach have been developed. The calculation efficiency depending on the depth and position of placing thermocouples has been researched.

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2019 IEEE International Conference on Modern Electrical and Energy Systems (MEES)

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