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首页> 外文期刊>Power Electronics, IET >Modified instantaneous symmetrical component algorithm-based control for operating electric spring in active power filter mode
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Modified instantaneous symmetrical component algorithm-based control for operating electric spring in active power filter mode

机译：基于改进的瞬时对称分量算法的控制，用于在有源功率滤波器模式下操作电弹簧

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摘要

Recently, a new technology called as electric spring (ES) is used for suppressing the voltage fluctuation and stabilising the smart grid. To address the harmonic issue in case of non-linear critical load and for achieving voltage regulation in presence of disturbance source, this paper suggests ES-1 topology and proposes modified instantaneous symmetrical component algorithm (ISCA). The reference currents extracted using proposed ISCA with hysteresis current control (HCC) operates ES in active power filter (APF) mode. This improved algorithm can mitigate the harmonics in the source currents effectively, facilitate to set the source-side power factor (PF) to the desired value (unity) and simultaneously perform the task of critical load voltage regulation using single multifunctional control. A detailed comparison between existing ES control schemes and the proposed ISCA approach highlights the benefits of proposed control in terms of its multifunctional capabilities. The ES-1 utilises three-phase inverter with DC-link capacitor that compensates unbalance non-critical load and non-linear critical load. To demonstrate the effectiveness of proposed method to operate ES in APF mode, the results using MATLAB simulations are presented and compared with those few obtained for similar existing control schemes. The proposed control is also validated using experimental studies.
机译：最近，一种称为电弹簧（ES）的新技术被用于抑制电压波动并稳定智能电网。为了解决非线性临界负载情况下的谐波问题并在存在干扰源的情况下实现电压调节，本文提出了ES-1拓扑结构并提出了改进的瞬时对称分量算法（ISCA）。使用建议的带有滞回电流控制（HCC）的ISCA提取的参考电流在有源功率滤波器（APF）模式下运行ES。这种改进的算法可以有效地减轻源电流中的谐波，有助于将源侧功率因数（PF）设置为所需值（单位），并使用单个多功能控制同时执行关键负载电压调节的任务。现有ES控制方案与拟议的ISCA方法之间的详细比较凸显了拟议控制的多功能性。 ES-1利用带有DC链路电容器的三相逆变器来补偿不平衡的非关键负载和非线性关键负载。为了证明所提出的方法在APF模式下运行ES的有效性，提出了使用MATLAB仿真的结果，并将其与为类似现有控制方案获得的结果进行了比较。拟议的控制也通过实验研究得到验证。

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