如果一台发电机组没有运转，并且没有逆功率继电器保护，运转的机组就会驱动这个机组，这台机组上的发电机则变成电动机运行。

If one set stops and reverse power protection is not provided, the set still running will drive the set that has stopped. The generator on the set that has stopped will act as a motor.

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每台发电机组最大运行功率为90%。

The maximum load of each generator will be 90%.

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风机的变桨系统在风力发电机组的整个运行过程中发挥着非常重要的作用，它可以保证风机充分的利用风能，提高效率，稳定输出功率。

Pitch system of fan plays a very important role in wind turbine during the entire operation, it will ensure that fan can be full use of wind energy, improve efficiency, be stable output power.

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