At 4:13 p.m. on Aug. 14, Constellation Energy Group Inc.'s Nine Mile Point nuclear plant near Syracuse, N. Y., sensed voltage fluctuations on the grid. The plant automatically cut itself off from the rest of the nation's electrical system to prevent its power from frying nearby lines. Control rods lowered themselves into the two reactors to shut down the fission process. Within seconds, five diesel-powered backup generators were providing the power to circulate cold water around the reactors, cooling them down from their normal operating temperature of 540F. The reactors stayed off for three days as staff ticked through safety and operational checklists.
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机译：下午4:13 8月14日，星座能源集团（Constellation Energy Group Inc.）位于纽约州锡拉丘兹（Syracuse）附近的九英里角核电站感测到电网电压波动。该工厂会自动切断与该国其他电力系统的连接，以防止其电力油炸附近的线路。控制棒将自身降低到两个反应堆中以关闭裂变过程。几秒钟之内，五台由柴油机驱动的备用发电机提供动力，使冷水在反应堆周围循环，从而将冷水从其正常工作温度540F冷却下来。由于工作人员通过了安全和运行检查表，反应堆停了三天。
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