分布参数模型下利用补偿电压的距离保护
针对现有距离保护多采用集中参数模型，且耐过渡电阻能力不高的问题，提出了利用补偿电压分布的分布参数模型距离保护新原理。本方法在分布参数模型下通过判断线路末端电压分布趋势判别区内外故障，对新原理的有效性进行了详细的理论分析，并推导了理论误差公式。该距离保护使用分布参数模型，耐过渡电阻能力强，不需要计算全线电压分布，仅通过判断线路末端电压的分布趋势即可判别区内、外故障，计算量小。分布参数线路模型下的数字仿真和现场录波数据仿真都验证了该方法的可行性。...
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| Published in | 电力系统保护与控制 Vol. 41; no. 7; pp. 46 - 53 |
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| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
西安交通大学电气工程学院,陕西 西安 710049
2013
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | 针对现有距离保护多采用集中参数模型，且耐过渡电阻能力不高的问题，提出了利用补偿电压分布的分布参数模型距离保护新原理。本方法在分布参数模型下通过判断线路末端电压分布趋势判别区内外故障，对新原理的有效性进行了详细的理论分析，并推导了理论误差公式。该距离保护使用分布参数模型，耐过渡电阻能力强，不需要计算全线电压分布，仅通过判断线路末端电压的分布趋势即可判别区内、外故障，计算量小。分布参数线路模型下的数字仿真和现场录波数据仿真都验证了该方法的可行性。 |
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| AbstractList | 针对现有距离保护多采用集中参数模型，且耐过渡电阻能力不高的问题，提出了利用补偿电压分布的分布参数模型距离保护新原理。本方法在分布参数模型下通过判断线路末端电压分布趋势判别区内外故障，对新原理的有效性进行了详细的理论分析，并推导了理论误差公式。该距离保护使用分布参数模型，耐过渡电阻能力强，不需要计算全线电压分布，仅通过判断线路末端电压的分布趋势即可判别区内、外故障，计算量小。分布参数线路模型下的数字仿真和现场录波数据仿真都验证了该方法的可行性。 TM77; 针对现有距离保护多采用集中参数模型,且耐过渡电阻能力不高的问题,提出了利用补偿电压分布的分布参数模型距离保护新原理.本方法在分布参数模型下通过判断线路末端电压分布趋势判别区内外故障,对新原理的有效性进行了详细的理论分析,并推导了理论误差公式.该距离保护使用分布参数模型,耐过渡电阻能力强,不需要计算全线电压分布,仅通过判断线路末端电压的分布趋势即可判别区内、外故障,计算量小.分布参数线路模型下的数字仿真和现场录波数据仿真都验证了该方法的可行性. |
| Author | 宋国兵 褚旭 康小宁 焦在滨 张健康 索南加乐 |
| AuthorAffiliation | 西安交通大学电气工程学院,陕西西安710049 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| DocumentTitleAlternate | A new approach for distance protection using compensated voltage distribution under distributed parameter model |
| DocumentTitle_FL | A new approach for distance protection using compensated voltage distribution under distributed parameter model |
| EndPage | 53 |
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| Issue | 7 |
| Keywords | distributed parameters distance protection voltage distribution fault resistance 过渡电阻 电压分布 距离保护 计算量小 分布参数 low computational complexity |
| Language | Chinese |
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| Notes | SONG Guo-bing, CHU Xu, KANG Xiao-ning, JIAO Zai-bin, ZHANG Jian-kang, SUONAN Jia-le （School of Electrical Engineering, Xi＇an Jiaotong University, Xi＇an 710049, China） distance protection; distributed parameters; voltage distribution; fault resistance; low computational complexity 41-1401/TM The traditional distance protections mainly use lumped parameter model and have bad performance under high resistance earth fault conditions. The paper presents a new distance protection for long transmission line using voltage distribution. The new method distinguishes the internal fault from the external fault by identifying the terminal voltage distribution trend based on the distributed parameter model. The effectiveness of new principle is analyzed in detail and theoretical error formula is deduced. The proposed method adopts distributed parameters model and has characteristics of low computational complexity and high capacity of earth-fault resistance. The feasibility has been verified by digital simulation and in-field |
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| PublicationTitle | 电力系统保护与控制 |
| PublicationTitleAlternate | Relay |
| PublicationTitle_FL | Power System Protection and Control |
| PublicationYear | 2013 |
| Publisher | 西安交通大学电气工程学院,陕西 西安 710049 |
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| Snippet | 针对现有距离保护多采用集中参数模型，且耐过渡电阻能力不高的问题，提出了利用补偿电压分布的分布参数模型距离保护新原理。本方法在分布参数模型下通过判断线路末端电压分... TM77; 针对现有距离保护多采用集中参数模型,且耐过渡电阻能力不高的问题,提出了利用补偿电压分布的分布参数模型距离保护新原理.本方法在分布参数模型下通过判断线路末端电... |
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| StartPage | 46 |
| SubjectTerms | 分布参数 电压分布 计算量小 距离保护 过渡电阻 |
| Title | 分布参数模型下利用补偿电压的距离保护 |
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