deep lead meaning in Chinese

深部砂矿

Also ac exited generator have many excellent characteristics , it may improving the stability of electric power system , its rotor speed may adjustable , it have abilities for active and reactive power regulating in self - help ways , it not lose steps even when operated in deep lead phase , so it especially applied in wind electric power plant and pumped - storage hydraulic power plant
交流励磁发电机作为发电机运行的风力发电系统，利用变速恒频技术后可大大提高风能的利用率。交流励磁发电机可改善电力系统稳定性，转子转速可变，具有独立的有功无功调节能力，可以深度进行运行而不失步，特别适用于风力发电、抽水蓄能电站等场合。