为保证电网在意外情况下发生大面积停电时能尽快恢复对电网的供电，需要电厂具有黑启动能力。
When a grid takes place a large scale of accidental blackout, we need a power station that has the black startup ability to recover the supply of electricity.
电网全部或部分因故障停运后，采用黑启动方案，通过系统中具有自启动能力的机组带动无自启动能力的机组，可实现整个电网的恢复。
Under the condition of total or partial power net breakdown, system recovery can be realized by black-start scheme, in which units with self-start ability are used to bring others to start up.
虽然判决导引最小均方误差算法(DD - LMS)剩余误差小，但是，在信道眼图闭合的情况下，该算法无法收敛，即不具备冷启动能力。
Though the decision directed least mean square error algorithm (DD-LMS) has small residual error, when the channel eye close, it can not converge. That is, it has no cold start ability.
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