刘黎,蔡勇,金祖山,徐华
LIU Li 1,CAI Yong 2,JIN Zu-shan 1,XU Hua 1(1.Zhejiang Electric Power Test and Research Institute

• 1:浙江省电力试验研究院
• 2:浙江省电力公司超高压建设分公司

摘要(Abstract)：

发电机组中性点采用消弧装置补偿方式时,中性点电压过高会严重影响系统的安全稳定运行。依据测量结果,分析了发电机三次谐波电压和传递电压对中性点电压的影响,为分析和判断发电机组中性点电压短暂异常升高的原因提供参考。
When the arc suppression device is adopted in compensation for the neutral point of generator units,neutral-point overvoltage can seriously affect the safe and stable operation of the system.Through the analysis of the impact of third harmonic voltage of generator and transfer voltage on the neutral point based on the measurement result,this paper can serve as a reference for determining and analyzing the reasons for abnormal short-time voltage rise of neutral points of generator units.

关键词(KeyWords)： 消弧线圈;中性点电压;谐波;传递电压;发电机
arc suppression coil;neutral point voltage;harmonics;transfer voltage;generator

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 刘黎,蔡勇,金祖山,徐华
LIU Li 1,CAI Yong 2,JIN Zu-shan 1,XU Hua 1(1.Zhejiang Electric Power Test and Research Institute

DOI: 10.19585/j.zjdl.2011.02.012

参考文献(References)：

• [1]吴湘黔,高尚政,马晓红.发电机消弧线圈档位的选取[J].高电压技术,2007,33(12):211-213.
• [2]李金宝,郭树清,刘金涛.用试验的方法检验发电机中性点消弧线圈参数[J].四川电力技术,2007,30(5):84-86.
• [3]毕大强,王祥珩,王维俭.大型水轮发电机中性点接地方式的若干问题分析[J].电工技术学报,2007,17(4):7-12.
• [4]郭为金,蔡源.发电机消弧线圈的补偿方式[J].华东电力,2003(10):87-88.
• [5]张玉安,程俊忠,李华芝.发电机中性点三次谐波分析与抑制措施[J].中国设备工程,2007(3):24-25.
• [6]李长益,魏旭.高压系统接地在Y/Y变压器中压侧引起的传递过电压[J].华东电力,2007,35(2):69-71.