Around 18:00 on February 17, No.59 generating unit of Danjinghe Wind Farm Concession Phase 3 in Zhangbei County, Hebei Province, suddenly shut down. Party members at the maintenance department immediately examined the generator and found that the resistance value of the three-phase winding on the rotor side was unbalanced and the generator needed to be replaced. At that time, the novel coronavirus epidemic was at its worst, so it was unlikely that a new generator alongside hoisting workers would arrive in time. To reduce the power loss caused by a failure to resume production due to the epidemic, the Party committee of Zhangbei Company promptly set up a vanguard of Party members for generator maintenance at Danjinghe Wind Farm, striving to complete the hoisting and replacement of the generator as soon as possible while ensuring epidemic control and safe production. After unremitting efforts by all the vanguard members, the generating unit resumed operation around 21:00 on March 13.