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首页> 外文会议>International Conference on Sciences and Techniques of Automatic Control and Computer Engineering >Frequency adaptive proportional + multi-resonant output voltage control strategy for parallel operating distributed generation units
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Frequency adaptive proportional + multi-resonant output voltage control strategy for parallel operating distributed generation units

机译：并联运行分布式发电机组的频率自适应比例+多谐振输出电压控制策略

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摘要

This paper presents a multi-loop control strategy for parallel distributed generation (DG) units in standalone mode of operation. Indeed, an Adaptive Proportional plus Multi Resonant (Adaptive P+MR) controller is designed for the voltage control loop and a simple Proportional regulator is used for the inner current loop. The proposed frequency adaptive control structure is also prorogued to parallel inverters with decentralized power sharing controllers thanks to the frequency adjusting property of the proposed multi-loop control strategy. A co-simulation is carried out combining Matlab/Simulink and PSIM environments in order to highlight the effectiveness of the global control structure which ensures high tracking performance with reduced total harmonic distortion (THD), deals efficiently with load disturbances and may face large frequency deviation while maintaining an accurate power sharing among the parallel DGs units.
机译：本文提出了一种独立运行模式下的并行分布式发电（DG）单元的多回路控制策略。实际上，为电压控制环路设计了一个自适应比例加多谐振（Adaptive P + MR）控制器，而内部电流环路则使用了一个简单的比例调节器。由于所提出的多环控制策略的频率调节特性，所提出的频率自适应控制结构也被应用于具有分散功率共享控制器的并联逆变器。结合Matlab / Simulink和PSIM环境进行了联合仿真，以强调全局控制结构的有效性，该结构可确保高跟踪性能并降低总谐波失真（THD），有效应对负载干扰，并可能面临较大的频率偏差同时在并行DG单元之间保持准确的功率共享。

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