绝缘材料
絕緣材料
절연재료
INSULATING MATERIALS
2013年
6期
57-61
,共5页
马宗乐%梅迪%杨广忠%徐福彬%牛威%戴思源
馬宗樂%梅迪%楊廣忠%徐福彬%牛威%戴思源
마종악%매적%양엄충%서복빈%우위%대사원
XLPE电缆%电树枝%老化%电压频率%硅橡胶
XLPE電纜%電樹枝%老化%電壓頻率%硅橡膠
XLPE전람%전수지%노화%전압빈솔%규상효
XLPE cable%electrical tree%ageing%voltage frequency%silicone rubber
采用变频电源研究了施加电压频率对硅橡胶中电树枝特性的影响。结果表明：在高频下（≥2 kHz）会出现藤枝状电树，其生长速度明显大于工频电压下出现的电树。一定电压下，随着电压频率的升高，硅橡胶中电树枝的起始时间减少，电树枝的累积击穿概率增大。
採用變頻電源研究瞭施加電壓頻率對硅橡膠中電樹枝特性的影響。結果錶明：在高頻下（≥2 kHz）會齣現籐枝狀電樹，其生長速度明顯大于工頻電壓下齣現的電樹。一定電壓下，隨著電壓頻率的升高，硅橡膠中電樹枝的起始時間減少，電樹枝的纍積擊穿概率增大。
채용변빈전원연구료시가전압빈솔대규상효중전수지특성적영향。결과표명：재고빈하（≥2 kHz）회출현등지상전수，기생장속도명현대우공빈전압하출현적전수。일정전압하，수착전압빈솔적승고，규상효중전수지적기시시간감소，전수지적루적격천개솔증대。
A variable-frequency power supply was employed to study the effect of power frequency on the characteristics of electrical tree in silicone rubber. The results show that a bine-branch electrical tree appears at high frequency (≥2 kHz), and its growth rate is greater than that of the other electrical trees at power frequency voltages. Under certain voltage, with the increase of power frequency, the initiation time of the electrical tree in silicone rubber decreases, and the cumulative breakdown probability increases.
