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级联光储系统的混合跟网与构网控制:一种去中心化无锁相环框架

Hybrid Grid-Following and Grid-Forming Control for Cascaded PVES System in a Decentralized PLL-Less Framework

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中文摘要

本文针对级联光储系统中跟网型(GFL)与构网型(GFM)控制面临的挑战,如对集中式通信的依赖、弱电网下PLL的不稳定性及GFM的瞬态过流风险,提出了一种去中心化的无PLL混合控制架构,旨在提升系统在复杂电网环境下的稳定性和鲁棒性。

English Abstract

The application of grid-following (GFL) and grid-forming (GFM) control in cascaded system has been widely discussed. However, both of them still face challenges such as high dependence on centralized communication, instability in weak grid with phase-locked loop (PLL) in GFL control or transient overcurrent risk in GFM control. Therefore, this article proposes a hybrid GFL and GFM control for casc...
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SunView 深度解读

该研究直接契合阳光电源在光伏逆变器和储能系统(如PowerTitan、PowerStack)领域的核心技术演进方向。随着高比例可再生能源接入,弱电网环境下的并网稳定性成为关键痛点。该无PLL混合控制方案能够显著提升阳光电源组串式逆变器及储能变流器(PCS)在弱电网下的适应能力,降低对通信的依赖,并优化构网型技术在实际工程中的过流保护逻辑。建议研发团队关注该去中心化架构,以提升iSolarCloud智能运维平台下多机并联系统的整体电网支撑能力。