对大电机定子环氧云母复合绝缘材料进行了长时间多因子应力老化,采用动态力学分析仪对不同老化阶段的复合绝缘材料进行了动态力学实验,分析了各力学参量与复合绝缘材料老化时间的关系.根据Eyring绝对反应速度理论,推导了复合绝缘材料玻璃化转变活化能的计算公式并计算了不同老化阶段复合绝缘材料的表观活化能.
参考文献
| [1] | Terase H. Consideration on proportional relations between the 2nd current rapid increase point and ac short-time breakdown voltage by ac testing method of generator coils [J]. JIEE Japan, 1963, 83:272-280. |
| [2] | Terase H. A new AC current testing method for non-destructive insulation tests [J]. IEEE Trans on Power Apparatus and System, 1980, 99(4):1557-1565. |
| [3] | Kimura K, Kaneda Y, Itoh K. A new approach to breakdown voltage and nondestructive parameters of micaceous insulation systems [A]. Proc 3rd International Conf on PADM[C]. Tokyo, 1991. 769-772. |
| [4] | Kimura K, Kaneda Y. The role of microscopic defects in multi-stress aging of micaceous insulation [J]. IEEE Trans on DEI, 1995, 2(3):426-432. |
| [5] | Stone G C. The ability of diagnostic tests to estimate the remaining life of stator insulation [J]. IEEE Trans on Energy Conversion, 1988, 3(4):833-841. |
| [6] | 宋建成,乐波,谢恒方方土.大型发电机主绝缘多因子老化试验系统的研究 [J].中国电机工程学报,2000,20(7):9-13. |
| [7] | 马德柱,何平笙,徐种德,等.高聚物的结构与性能 [M].北京:科学出版社,1995. |
| [8] | 巫松桢,谢大荣,陈寿田,等.电气绝缘材料科学与工程 [M].西安:西安交通大学出版社,1996. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%