That's because recovering from a complete collapse, called a " black start" of the power grid, is an immense technical challenge.

这是因为从被称为电网“黑启动”的完全崩溃中恢复是一项巨大的技术挑战。

If anything goes wrong during a black start and frequecy deviates too far, breakers will trip to protect the equipment and you have to start all over.

如果黑启动期间出现任何问题并且频率偏差太大，断路器将跳闸以保护设备， 您必须从头开始。