A Power Shaping Stabilizing Control Strategy for DC Power Systems With Constant Power Loads
A Power Shaping Stabilizing Control Strategy for DC Power Systems With Constant Power Loads
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DOI：
10.1109/tpel.2008.2004594
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发表时间：
2008-11
影响因子：
6.7
通讯作者：
Jiabin Wang;D. Howe
中科院分区：
文献类型：
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作者：
Jiabin Wang;D. Howe
本文提出了一种新的稳定控制策略，用于直流电力系统的恒功率负载。与恒定功率负载相关联的不稳定元素通过根据能量或瞬时功率的变化率重新制定系统动态方程来消除。采用功率整形控制策略调节输出电压，同时基本上保持大信号系统的稳定性，增加了吸引区域。所提出的控制策略简单，易于设计和实现。通过仿真和实验验证了该方法的实用性和有效性。
This paper describes a novel stabilizing control strategy for dc power systems with constant power loads. The destabilizing element associated with a constant power load is eliminated by reformulating the system dynamic equations in terms of the rate of change of energy, or instantaneous power. A power shaping control strategy is employed to regulate the output voltage, while essentially maintaining large-signal system stability with increased region of attraction. The proposed control strategy is simple and easy to design and implement. Its utility and effectiveness are demonstrated by simulations and experiments.