| 发电机三次谐波电压接地保护的误动分析 |
| |
| 引用本文： | 毋军,张红栋,靳丰强. 发电机三次谐波电压接地保护的误动分析[J]. 煤矿机电, 2011, 0(6) |
| |
| 作者姓名： | 毋军 张红栋 靳丰强 |
| |
| 作者单位： | 焦作电厂,河南焦作,454000 |
| |
| 摘 要： | 发电机在正常运行的情况下,其有功和无功变化时三次谐波电压的幅值与相位均发生变化,造成三次谐波电压保护误动现象时有发生。对此,介绍了发电机三次谐波电压的特点和主要特征,并按三次谐波电压构成定子接地保护的原理作分析探讨。
|
| 关 键 词： | 发电机 单相接地 三次谐波电压 |
Analysis of Motor Third Harmonic Voltage Grounding Protection False Tripping |
| |
| WU Jun,ZHANG Hong-dong,JIN Feng-qiang. Analysis of Motor Third Harmonic Voltage Grounding Protection False Tripping[J]. Colliery Mechanical & Electrical Technology, 2011, 0(6) |
| |
| Authors: | WU Jun ZHANG Hong-dong JIN Feng-qiang |
| |
| Affiliation: | WU Jun,ZHANG Hong-dong,JIN Feng-qiang(Jiaozuo Power Plant,Jiaozuo 454000,China) |
| |
| Abstract: | Under the normal operation of motor,the amplitude and phase of third harmonic voltage both changes when the active and reactive change,which resulting in the third harmonic voltage protection false tripping occurs.In this regard,the features of third harmonic voltage motor are introduced.The main features of stator grounding protection principle constituted of third harmonic voltage are discussed and analyzed. |
| |
| Keywords: | motor single phase grounding third harmonic voltage |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
