适用电子式互感器的变压器保护磁通制动技术
为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术。介绍了磁通制动技术在变压器差动保护中的运用情况及存在问题,讨论了电子式互感器暂态特性对磁通制动原理的影响。研究了基于三相变压器差动保护的转角补偿、涌流选相、陷阱复判等问题,给出了保护算法实现流程。实验结果表明,适用电子式互感器的磁通制动技术能大幅提高差动保护动作速度,同时具备可靠的涌流识别能力。...
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| Published in | 电力系统保护与控制 Vol. 43; no. 18; pp. 80 - 86 |
|---|---|
| Main Author | |
| Format | Journal Article |
| Language | Chinese |
| Published |
贵州电网有限责任公司电力科学研究院,贵州 贵阳,550002%江苏凌创电气自动化股份有限公司,江苏 镇江,212009
2015
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1674-3415 |
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| Abstract | 为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术。介绍了磁通制动技术在变压器差动保护中的运用情况及存在问题,讨论了电子式互感器暂态特性对磁通制动原理的影响。研究了基于三相变压器差动保护的转角补偿、涌流选相、陷阱复判等问题,给出了保护算法实现流程。实验结果表明,适用电子式互感器的磁通制动技术能大幅提高差动保护动作速度,同时具备可靠的涌流识别能力。 |
|---|---|
| AbstractList | TM77; 为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术.介绍了磁通制动技术在变压器差动保护中的运用情况及存在问题,讨论了电子式互感器暂态特性对磁通制动原理的影响.研究了基于三相变压器差动保护的转角补偿、涌流选相、陷阱复判等问题,给出了保护算法实现流程.实验结果表明,适用电子式互感器的磁通制动技术能大幅提高差动保护动作速度,同时具备可靠的涌流识别能力. 为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术。介绍了磁通制动技术在变压器差动保护中的运用情况及存在问题,讨论了电子式互感器暂态特性对磁通制动原理的影响。研究了基于三相变压器差动保护的转角补偿、涌流选相、陷阱复判等问题,给出了保护算法实现流程。实验结果表明,适用电子式互感器的磁通制动技术能大幅提高差动保护动作速度,同时具备可靠的涌流识别能力。 |
| Abstract_FL | In order to solve the limitations of traditional transformer flux restraint technology in electronic transformer application, this paper proposes a flux complex judgment technology for electronic transformer and three-phase transformer. The application situation and the existing problems of flux restraint technology are introduced in transformer differential protection, the influence of transient characteristics of electronic transformer on flux restraint theory is discussed, the problems of angle compensation, inrush current phase selection, trap multiple identification which are used in differential protection of three-phase transformer are researched, and the algorithm implementation process is given. Experiments show that flux restraint theory for electronic transformer can greatly improve the speed of the action of differential protection, and has the reliable identification ability for inrush current. |
| Author | 徐长宝 高吉普 鲁彩江 王宇 汤汉松 张炜 |
| AuthorAffiliation | 贵州电网有限责任公司电力科学研究院,贵州贵阳550002 江苏凌创电气自动化股份有限公司,江苏镇江212009 |
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| Author_FL | GAO Jipu LU Caijiang WANG Yu ZHANG Wei XU Changbao TANG Hansong |
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| ClassificationCodes | TM77 |
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| Copyright | Copyright © Wanfang Data Co. Ltd. All Rights Reserved. |
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| Keywords | 变压器 磁通制动 inrush current phase selection 差动保护 differential protection electronic transformer transformer 电子式互感器 涌流选相 flux restraint |
| Language | Chinese |
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| Notes | XU Changbao, GAO Jipu, LU Caijiang, WANG Yu, TANG Hansong, ZHANG Wei （1. Electric Power Research Institute of Guizhou Power Grid Co., Ltd., Guiyang 550002, China; 2. Jiangsu Lingchuang Electric Automation Co., Ltd., Zhenjiang 212009, China） In order to solve the limitations of traditional transformer flux restraint technology in electronic transformer application, this paper proposes a flux complex judgment technology for electronic transformer and three-phase transformer. The application situation and the existing problems of flux restraint technology are introduced in transformer differential protection, the influence of transient characteristics of electronic transformer on flux restraint theory is discussed, the problems of angle compensation, inrush current phase selection, trap multiple identification which are used in differential protection of three-phase transformer are researched, and the algorithm implementation process is given. Experiments show that flux restraint theory for electronic transformer |
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| PublicationTitle | 电力系统保护与控制 |
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| PublicationTitle_FL | Power System Protection and Control |
| PublicationYear | 2015 |
| Publisher | 贵州电网有限责任公司电力科学研究院,贵州 贵阳,550002%江苏凌创电气自动化股份有限公司,江苏 镇江,212009 |
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| Snippet | 为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术。介绍了磁通制动技术在变压器差动保... TM77; 为了解决传统变压器磁通制动技术在电子式互感器应用场合下的使用局限性,提出了一种适用于电子式互感器及三相变压器的磁通复判保护技术.介绍了磁通制动技术在变压器... |
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| SubjectTerms | 变压器 差动保护 涌流选相 电子式互感器 磁通制动 |
| Title | 适用电子式互感器的变压器保护磁通制动技术 |
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