溪洛渡水电站左岸励磁系统灭磁回路工作原理及设计

阐述了溪洛渡水电站左岸励磁系统灭磁回路的工作原理,以及在正常停机和事故停机时,灭磁回路的工作流程。根据相关技术规范要求,结合发电机组具体参数要求,对灭磁回路的交、直流磁场断路器、灭磁电阻进行了设计和计算,从理论上证明了灭磁回路设备选型的正确性。

Operation Principle and Design of De-excitation Circuit for Excitation System on Left Bank of Xiluodu Hydropower Plant

The operation principle of de-excitation circuit of the excitation system on the left bank of Xiluodu Hydropower Plant is described,as well as the working flowchart of de-excitation circuit at normal and emergency shut down of the power unit.According to the specification for static rectified excitation systems and the specific parameters of power units,the AC/DC field breakers and the de-excitation resistor of de-excitation circuit are designed and calculated,which proves the correctness of the device choice for de-excitation circuit from the theory.