天文学家认为，这种影响，但是对地球微不足道，可在黑洞发电机功率类星体的角色。
Astronomers think this effect, although minuscule for Earth, could play a role in the black hole dynamos that power quasars.
它能够使用普通同步发电机发出恒频恒功率交流电，电能质量更好，所使用的变换器功率低于发电机功率。
It can make a synchronous machine to generate an ac power with constant frequency and constant power, the power quality is better and the power of matching convertor is lower than the generator.
得出了不同控制策略下风力发电机功率流动方向、叶轮转速大小和方向的变化，以及叶轮转速变化的依据和限制。
The direction of power flowing, variation of rotating speed and direction of the vane, and the criteria and restrictions of the variation are derived under different control strategy.
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