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首页> 外文期刊>Control Systems Technology, IEEE Transactions on >Voltage Stability and Reactive Power Sharing in Inverter-Based Microgrids With Consensus-Based Distributed Voltage Control
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Voltage Stability and Reactive Power Sharing in Inverter-Based Microgrids With Consensus-Based Distributed Voltage Control

机译：带有基于共识的分布式电压控制的基于逆变器的微电网的电压稳定性和无功共享

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摘要

We propose a consensus-based distributed voltage control (DVC) that solves the problem of reactive power sharing in autonomous inverter-based microgrids with dominantly inductive power lines and arbitrary electrical topology. Opposed to other control strategies available thus far, the control presented here does guarantee a desired reactive power distribution in steady state while only requiring distributed communication among inverters, i.e., no central computing nor communication unit is needed. For inductive impedance loads and under the assumption of small phase angle differences between the output voltages of the inverters, we prove that the choice of the control parameters uniquely determines the corresponding equilibrium point of the closed-loop voltage and reactive power dynamics. In addition, for the case of uniform time constants of the power measurement filters, a necessary and sufficient condition for local exponential stability of that equilibrium point is given. The compatibility of the DVC with the usual frequency droop control for inverters is shown and the performance of the proposed DVC is compared with the usual voltage droop control via simulation of a microgrid based on the Conseil International des Grands Réseaux Electriques (CIGRE) benchmark medium voltage distribution network.
机译：我们提出了一种基于共识的分布式电压控制（DVC），该解决方案解决了具有自主感应电力线和任意电气拓扑的基于自主逆变器的微电网中无功功率共享的问题。与迄今可用的其他控制策略相反，此处提出的控制确实在稳态下保证了所需的无功功率分配，而仅需要逆变器之间的分布式通信，即不需要中央计算或通信单元。对于电感性阻抗负载，并假设逆变器输出电压之间的相位角差很小，我们证明控制参数的选择唯一确定了闭环电压和无功功率动态特性的相应平衡点。另外，对于功率测量滤波器的统一时间常数，给出了该平衡点的局部指数稳定性的充要条件。显示了DVC与逆变器通常的频率下降控制的兼容性，并通过基于Conseil International des GrandsRéseauxElectriques（CIGRE）基准中等电压的微电网仿真，将建议的DVC的性能与通常的电压下降控制进行了比较。分销渠道。

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