Grid-Tied PV System with Small DC-Link Capacitor and Low-Frequency Ripple-Free Maximum Power Point Tracking

Raji Krishna; Archa Das

International Journal of Electrical Power System and Technology

Grid-Tied PV System with Small DC-Link Capacitor and Low-Frequency Ripple-Free Maximum Power Point Tracking

Raji Krishna ✉
Archa Das

Abstract

This paper proposes a grid-tied cascaded multilevel inverter (CMI) PV system based on current-fed dual-active-bridge DC–DC converters using small dc-link capacitors. The CMI has many advantages, such as modularity, low harmonic spectra, high ac voltage application with low device rating, and low electromagnetic interference. In addition, distributed maximum power point tracking (MPPT) terminal for segmented photovoltaic (PV) arrays can be achieved by CMI PV converter. The low-frequency ripple-free MPPT is also realized in the proposed converter. A novel variable step-size MPPT algorithm is proposed to ensure high MPPT efficiency and fast maximum power extraction under rapid irradiation change. Fast tracking speed under rapid irradiation change and high MPPT efficiency were realized for the PV system. Keywords: current-fed dual-active-bridge (CF-DAB), dual-active-bridge (DAB), high-frequency link (HFL), low-frequency ripple, maximum power point tracking (MPPT)

Full text

The full text of this article is available to subscribers.

On a subscribing campus you are let in by network address, with no login at all.

One-off purchase. Permanent access to this article, no account needed.

A year of online access to every article in International Journal of Electrical Power System and Technology. Or choose several journals →

How to cite

Raji Krishna, Archa Das. Grid-Tied PV System with Small DC-Link Capacitor and Low-Frequency Ripple-Free Maximum Power Point Tracking. International Journal of Electrical Power System and Technology. 2018;4(1):39–47.

Download the citation:

Article details

Grid-Tied PV System with Small DC-Link Capacitor and Low-Frequency Ripple-Free Maximum Power Point Tracking

Abstract

Read more of it

Publish your article

Abstract

Related articles

Exploration of Explainable Artificial Intelligence (XAI) Techniques to Enhance Model Interpretability

Detailed survey on detection of Dirtiness of PV panels using different approaches

Faults in On-Load Tap Changer of a Transformer: An Innovative Approach to Mechanical Fault Diagnosis

Securing Smart Electrical Systems through Comparative Analysis of Machine Learning Models for Classification

A Comparative Study of JWT and Web Authn for Password less Authentication in MERN Stack Applications

Deep Reinforcement Learning-Based MPPT for PV Systems Under Partial Shading: A Hybrid Metaheuristic-Optimized Control Framework.

Read more of it

Publish your article