During operation of large turbine generators with self-shunting excitation systems,collector ring failures due to overheating are often encountered,which seriously influence their reliable operation.
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- 大型汽轮发电机自并励励磁系统在运行中,集电环装置因温度高而发生故障的情况时有发生,严重影响机组的安全稳定运行。