一种基于并网模式光伏应用中的并联输入并联输出电流馈电前端 DC-DC 转换器固态变压器

IF 1.6 Q4 ENERGY & FUELS
Nitesh Kumar, Pramod Agarwal
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引用次数: 0

摘要

本文介绍了一种基于 PIPO 电流馈电的前端转换器固态变压器(SST),用于中等功率范围光伏应用中的最大功率点跟踪(MPPT)和升压操作。所提出的系统采用了基于扰动和观测(P&O)的 MPPT 技术,并分别维持了所有一次侧开关和二次侧整流二极管的 ZVS 和 ZCS 操作。所提出的系统引入了一种名为 "基于预滤波双基波信号提取器(DFSE)的多层 DFSE(p-DFSE-MDFSE)"的新基波提取器,并将其用于电网控制器的同步和谐波缓解操作。主要目标是在光伏阵列侧实现体积小、重量轻、成本低的基于磁性元件的 SST 前端转换器,并在公用电网侧实现快速、安全和可靠的电流谐波缓解控制。在 OPAL-RT (RT-LABv2021.3.2.307) 平台上对拟议系统进行了各种电网异常检查,发现其行为完全符合 IEEE 519 规范。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

A parallel input parallel output current fed front end DC-DC converter-based solid state transformer utilised in grid connected mode PV applications

A parallel input parallel output current fed front end DC-DC converter-based solid state transformer utilised in grid connected mode PV applications

The presented work operated a PIPO Current fed front end converter-based solid-state transformer (SST) for maximum power point tracking (MPPT) and voltage boost operation in medium power range PV applications. The proposed system employed the perturb and observe (P&O)-based MPPT technique and upheld the ZVS and ZCS operations of all primary side switches and secondary side rectifier diodes, respectively. The proposed system introduced a new fundamental extractor titled ‘Pre-filter double fundamental signal extractor (DFSE) based multi-layered DFSE (p-DFSE-MDFSE)’ and utilised it in the grid controller for synchronisation and harmonics mitigation operation. The primary goal was to achieve a compact size, reduced weight and cheaper magnetic component-based front-end converter of SST on the PV array side and a fast, secure and trustworthy mitigation control of current harmonics on the utility grid side. The proposed system was inspected on the OPAL-RT (RT-LABv2021.3.2.307) platform for various grid anomalies, and its conduct was found to be well within the IEEE 519 norms.

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来源期刊
IET Energy Systems Integration
IET Energy Systems Integration Engineering-Engineering (miscellaneous)
CiteScore
5.90
自引率
8.30%
发文量
29
审稿时长
11 weeks
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