Analysis and treatment of rotor winding earth fault of hydroelectric generator;
水力发电机转子接地的分析与处理
The reason analysis of misoperation for UNS 3020 type generator rotor winding earth fault protection;
UNS 3020型发电机转子接地保护误动作原因分析
Improving rotor grounding protection of small units by integrated use of 7UM62 and ZD-9 devices;
使7UM62与ZD-9装置相结合以完善小型机组转子接地保护
Based on principles of rotor grounding protection and formation of shaft voltage,this paper explains relationships between rotor point 1 grounding protection misoperation with shaft voltage and main shaft grounding.
根据转子接地保护的原理及轴电压的形成,阐述了转子1点接地保护误动与轴电压、大轴接地之间的关系。
This paper analyzes the influences of shaft voltage absorbing circuit and brush touching resistance on the performance of generator rotor earth fault protection.
分析了轴电压吸收回路以及接地碳刷与大轴间接触电阻对发电机转子接地保护的影响,并分别提出了相应的对策和注意事项。
The principle and characteristic of voltage injection at rated frequency and a square wave voltage injection at lower frequency are introduced for rotor earth fault protection of turbine generator.
通过印度"BTG模式"的电站项目对汽轮发电机100%定子接地保护介绍了低频注入式的原理和特点;同时针对汽轮发电机转子接地保护介绍了注入工频电压和注入某种交变方波电压的原理和特点。
This paper propose a new rotor earth-fault protection with switch sampling theory, which sets up three group equations to measure rotor earth-fault resistance.
本文提出一种新型的切换采样原理转子接地保护,建立三组方程求解接地电阻。
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