| 带并联电抗器的超高压输电线路单相自适应重合闸新算法 |
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| 引用本文： | 曹芬,何奔腾.带并联电抗器的超高压输电线路单相自适应重合闸新算法[J].电力系统自动化,2009,33(23):55-59. |
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| 作者姓名： | 曹芬 何奔腾 |
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| 作者单位： | 浙江大学电气工程学院,浙江省杭州市,310027 |
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| 摘 要： | 带有并联电抗器的超高压输电线路发生单相故障两端跳闸后,断开相恢复电压的组成成分在瞬时性故障时比永久性故障时多了一项自由分量,因此通过对断开相恢复电压在一个工频周期内进行积分就可以区分两种不同性质的故障.该判据原理简单,灵敏度高,实际操作方便,判断时间快,有效地解决了现有判据判断时间长的问题.大量的仿真实验验证了所得结论的正确性.
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| 关 键 词： | 并联电抗器 超高压输电线路 单相自适应重合闸 自由分量 工频周期 |
| 收稿时间： | 3/2/2009 12:26:10 PM |
| 修稿时间： | 2009/11/23 0:00:00 |
New Algorithm for Single-phase Adaptive Reclosure of EHV Transmission Lines with Shunt Reactor |
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| CAO Fen,HE Benteng.New Algorithm for Single-phase Adaptive Reclosure of EHV Transmission Lines with Shunt Reactor[J].Automation of Electric Power Systems,2009,33(23):55-59. |
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| Authors: | CAO Fen HE Benteng |
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| Affiliation: | CAO Fen,HE Benteng(Zhejiang University,Hangzhou 310027,China) |
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| Abstract: | When a single-phase fault occurs on shunt reactor compensated EHV transmission lines,the elements,which compose the recovery voltage of the opened phase after the breaker tripping,include one more resonant component under transient faults than under permanent faults,so the fault nature can be distinguished by making an integral of the recovery voltage during a fundamental frequency cycle.The criterion is simple and convenient for implementation,and it has high sensitivity.It obtains results fast,which effec... |
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| Keywords: | shunt reactor EHV transmission lines single-pole adaptive reclosure resonant component fundamental frequency cycle |
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