A series of conclusion are achieved: Discharge gradient of largest discharge quantity and number of discharge increase as the insulation aging time prolonged; Discharge phase can partially reflect aging degree, whose width extend also with the prolongation of aging time.
得到一系列重要的结论：局部放电的最大放电量的放电梯度随绝缘老化时间的增大而增大，放电次数增加；放电相位可以部分反映定子绝缘老化程度，随着老化时间的延长，放电相位宽度逐重庆大学博士学位论文步增大。
参考来源 - 大电机主绝缘局部放电测量及老化特征研究·2,447,543篇论文数据，部分数据来源于NoteExpress
放电具有相位同步的特征。
Interspike interval (ISIH) presented the characteristics of phase locked.
比较了局部放电的脉冲相位分布谱图和谱图的差异，并计算了各类放电对应的统计算子95％置信区间。
PD pulse phase distribution spectrum was compared with spectrum, and 95% fiducial intervals of statistic operators were also summed up.
参考电容器可以在第三时钟相位放电，这样输入信号依赖电压从电容器被释放。
The reference capacitor can charge at a third clock phase, thus the input signal is released from the capacitor dependently from the voltage.
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