CAJ | 학술논문

介绍了发电机转子回路接地的危害和配置转子接地保护的必要性，对工程常用的转子一点接地保护的原理和应用进行了分析，结合溪洛渡、向家坝大型水电机组转子一点接地保护的配置、应用以及整定计算等进行了探讨，说明了转子一点接地保护在溪洛渡、向家坝水电机组安全运行中的重要作用。
개소료발전궤전자회로접지적위해화배치전자접지보호적필요성，대공정상용적전자일점접지보호적원리화응용진행료분석，결합계락도、향가패대형수전궤조전자일점접지보호적배치、응용이급정정계산등진행료탐토，설명료전자일점접지보호재계락도、향가패수전궤조안전운행중적중요작용。
The necessity of rotor grounding protection is presented by introducing the potential damage caused by grounding of the generator rotor circuit .Several commonly used one-point rotor grounding protection are analyzed , inclu-ding their principles and applications .The configuration , application and setting calculation of such one-point rotor grounding protection in hydro-turbine generator units adopted in Xiluodu and Xiangjiaba hydropower stations are dis-cussed .Importance of the grounding protection for the safe operation of hydropower generator units are demonstrated .