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本站2×1600千瓦机组,采用手动分散同步,同步过程中的调频、调压和断路器的合闸分别在1~#、2~#发一变组控制屏上进行(图1)。 1986年1月11日20时10分,维修人员检查2~#合闸回路故障,断开2~#发一变组所有开关,并将2TK置于切除位置,操作2KK导致待并的1~#机与电网非同期并列,全盘表计剧烈摆动,机组剧烈振动。如果不进行技术改进,再度误操作,后果将不堪设想。
Station 2 × 1600 kilowatts units, the use of manual decentralized synchronization, synchronization process of FM, voltage regulator and circuit breaker closing in 1 ~ #, 2 ~ # a hair change control panel (Figure 1). At 20:10, January 11, 1986, the maintenance personnel checked the fault of 2 ~ # closing circuit, cut off all the switches of 2 ~ #Fa changing group and placed 2TK in the resection position, and the operation of 2KK caused the 1 ~ # Machine and power grid parallel side by side, the entire table fierce swing, the unit violent vibration. If you do not make technical improvements, mistaken operation again, the consequences will be disastrous.