Subsequently, a novel controller for DC bus voltage regulation is put forward according to the small signal model based on the instantaneous power balance in AC and DC sides of three-phase SAPF.

然后根据交流侧和直流侧的功率平衡方程，推导了电压环的小信号模型。最后基于该模型设计了一种高动态性能的直流电压调节器。

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In the last chapter, the author puts forward theoretical and practical resolutions before introducing a creative model to balance power.

本文最后一章，作者从理论上和实践上给出了相应的对策，并提出了一项新的权力制衡的模式。

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Based on the energy balance of power system, the mathematical model of energy storage, economic model of power system with energy storage, and the cost function of power system are introduced.

从电力系统的能量平衡入手，介绍了能量存储的数学模型、具有能量存储系统的电力系统经济模型以及电力系统的费用函数。

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The tax relief package that was voted on today was agreed on last night after this week's change in the balance of power in the United States Senate, and it can be a model for the work that is ahead.

CNN: President Bush speaks on tax cut bill passage