1) injection-type stator earth fault protection
注入式定子接地保护
1.
The scheme of injection-type stator earth fault protection for Longtan Hydropower Station is introduced.
介绍龙滩水电站注入式定子接地保护方案的构成,分析了保护原理及特点,阐述了注入式定子接地保护的几项关键技术以及在工程实际应用中应注意的注意事项,综合考虑发电机中性点接地变实际参数对接地电阻计算的影响,结合在700 MW水电机组上实际模拟单相接地的试验数据,验证了方案的有效性和可靠性。
2) voltage injection type rotor earth fault protection
注入式转子接地保护
3) measuring ground fault relay
测量式定子接地保护
4) stator grounding protection
定子接地保护
1.
Reliability of stator grounding protection based on 3rd harmonic voltage;
提高三次谐波电压式定子接地保护动作可靠性的措施
2.
It determines if the grounding point is in generator stator winding according to the first harmonic and third harmonic of leaking current to realize 100 % stator grounding protection.
在深入分析发电机对地泄漏电流(即3倍中性点侧零序电流与机端出线侧零序电流之差)的基础上,提出了一种通过比较发电机定子单相接地故障时各发电机泄漏电流的大小或方向进行保护的发电机定子接地保护新方法。
3.
Security and stability problems were analyzed caused by generator rotor grounding protection,generator excitation-loss protection and stator grounding protection.
对发电机转子接地保护、发电机失磁保护、发电机定子接地保护在实际运行中存在的影响机组安全稳定运行问题进行了分析,并提出相应的改进措施。
5) stator grounding fault protection
定子接地保护
1.
The stator grounding fault protection with 20Hz voltage injection can provide 100% winding s protection and monitor the drop of stator s insulation.
20Hz注入式定子接地保护可以单独实现定子100%绕组的保护,可以监测定子绝缘水平的下降,因而越来越多地应用于大型发电机保护。
6) stator ground protection
定子接地保护
1.
Analysis on misaction of 3ω stator ground protection for steam turbine-generators;
汽轮发电机三次谐波电压定子接地保护的误动分析
2.
Discussion on the setting calculations of stator ground protection based on the third-harmonic voltage criterion;
三次谐波电压型定子接地保护整定计算探讨
3.
The research and development on injection scheme for stator ground protection of 1000 MW generator;
百万千瓦机组注入式定子接地保护的研究与开发
补充资料：注入
1.灌入。多指抽象事物。 2.记入，记下。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条