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百科
残留电荷
residual charge
- 接地放电后，极化电荷及表层电荷释放，仍存在水树枝内的空间电荷即为残留电荷；
After grounding, polarization charges and shallow charges will be released. The space charges still existing in water tree are called residual charge. - 结果表明，随着直流电压幅值的增加或直流电压施加时间的延长，残留电荷量均逐渐增大并趋于饱和；
The accumulated results show that as the amplitude and the application time of DC voltage increase, the amount of residual charge increases and approaches a saturated value; - 另外还分析了残留电荷、隔离开关并联电阻、主变压器等值入口电容等因素对VFTO的影响，讨论了有效抑制VFTO的措施。
Factors of trapped charge, parallelresistor of disconnector, equivalent entrance capacitance of power transformer influencing VFTO are analyzed. Some available suppression methods are discussed.
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