| 阻抗匹配平衡变压器差动保护技术及应用 |
| |
| 引用本文： | 马水生,张亮,李延军,徐冰.阻抗匹配平衡变压器差动保护技术及应用[J].电力系统保护与控制,2011,39(6):140-143. |
| |
| 作者姓名： | 马水生 张亮 李延军 徐冰 |
| |
| 作者单位： | 1.许继电气公司，河南 许昌 461000;2北京铁路局石家庄供电段，河北 石家庄 050000 |
| |
| 摘 要： | 介绍了电气化铁道阻抗匹配平衡变压器的平衡匹配机制原理，并进一步就平衡匹配关系数学模型的搭建和变压器高低压侧电流变化的规律进行了推理分析。解析了差动保护在阻抗匹配平衡变压器中如何实现以及铁路电气化差动保护在实现过程中为防止误动作所增加的一些判据。阻抗匹配平衡变压器在电气化铁路建设中广泛应用，其差动保护逻辑和判据已完全由微机来实现，所提的计算方法和理论研究对于阻抗匹配平衡变压器保护设备的开发和应用具有较高的实用价值。
|
| 关 键 词： | 差动保护 阻抗匹配 平衡 负载 励磁涌流 比率制动特性 |
Technology and application of impedance matching balance transformer differential protection |
| |
| MA Shui-sheng,ZHANG Liang,LI Yan-jun,XU Bing.Technology and application of impedance matching balance transformer differential protection[J].Power System Protection and Control,2011,39(6):140-143. |
| |
| Authors: | MA Shui-sheng ZHANG Liang LI Yan-jun XU Bing |
| |
| Affiliation: | MA Shui-sheng1,ZHANG Liang1,LI Yan-jun2,XU Bing2(1.XJ Electric Corporation,Xuchang 461000,China,2.Shijiazhuang Supply Section,Beijing Railroad Bureau,Shijiazhuang 050000,China) |
| |
| Abstract: | This paper introduces the principle of balance matching mechanism of the electric railway impedance matching balance transformer,and for further,the building of the mathematical model of balance matching relations and the law of current change between high and low pressure side,how to achieve differential protection in impedance matching balance transformer and some criterion added in the realization of railway electrification process in order to prevent malfunction are analyzed.Impedance matching balance t... |
| |
| Keywords: | differential protection impedance matching balance load inrush current percentage restraint characteristic |
| 本文献已被 CNKI 等数据库收录！ |
| 点击此处可从《电力系统保护与控制》浏览原始摘要信息 |
|
点击此处可从《电力系统保护与控制》下载全文 |
