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消弧线圈接地电网的有功选线 被引量:54

Faulted line detecting with active power in an auto-compensated distribution network
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摘要 结合自动补偿电网的特征 ,对利用零序电流的附加有功分量进行单相接地故障选线进行了研究与分析。并利用EMTP电磁暂态仿真程序对所述原理进行了验证。提出了合适的实施方案。结果表明该方法选线准确 ,耐过渡电阻能力强 ,并且易于实现与消弧线圈自动调谐装置的一体化协调运行。从而实现对谐振接地配电网的灵活有效的控制 。 The paper made research and analysis on the topic of faulted line selecting in an auto compensated distribution network in use of the active part of residual currents. Meanwhile with the help of EMTP,we verified the principle and bring forward the proper application schema. As the result, the method can correctly select the faulted line even with very high fault resistance. With the integration of the method into the automatically regulated arc suppression coil compensation devices we can make feasible and effective control to the resonant grounded distribution network, thus to improve the reliability and security of the general power supply.
机构地区 华北电力大学
出处 《继电器》 CSCD 北大核心 2002年第5期33-36,共4页 Relay
关键词 消弧线圈 接地 电网 有功选线 distribution network arc suppression coil automatically compensate faulted line selecting active power EMTP
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