NDLI: Dual-mode control of multi-functional converter in solar PV system for small off-grid applications

Content Provider	IET Digital Library
Author	Goud, Pandla Chinna Dastagiri Gupta, Rajesh
Abstract	Solar PV system for off-grid applications is growing at a faster rate because of its compatibility and ease of implementation. The modern smart building consists of hybrid AC and DC loads. The solar PV system generates DC power and can also supply the DC loads. To supply the AC loads, the DC power need conversion to AC using a DC–AC converter. A general solar PV system consists of two stages, one is to extract the maximum power and the other one is to convert it into a suitable DC or AC. Here, a single-stage multi-functional converter (MFC) is employed, which extracts maximum power and supplies to both AC and DC loads. To overcome the intermittency of solar PV output, battery energy storage is interfaced through a non-isolated buck–boost converter. The MFC operates in two modes, i.e. hybrid power flow mode and inverter mode, depending upon the availability of solar PV output. The proposed system is simulated using the PSCAD/EMTDC software. An experimental test setup using solar array simulator and a multifunctional power electronics converter has been developed for demonstration of the results. The control algorithms are implemented using NI PXI-7842R series FPGA controller through LabVIEW platform.
Starting Page	2851
Ending Page	2857
Page Count	7
ISSN	17554535
Volume Number	12
e-ISSN	17554543
Issue Number	Issue 11, Sep (2019)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/12/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2018.6313
Journal	IET Power Electronics
Publisher Date	2019-06-20
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Computerised Instrumentation Control Engineering Computing Control of Electric Power System DC Power DC-AC Power Converter DC–AC Converter Dual-mode Control Field Programmable Gate Array General Solar PV System Hybrid AC Load Hybrid DC Load Hybrid Power Flow Mode Inverter Mode Invertors LabVIEW Platform Logic And Switching Circuit Logic Circuit Maximum Power Multifunctional Power Electronics Converter NI PXI-7842R Series FPGA Controller Nonisolated Buck–boost Converter Photovoltaic Power System Power Engineering Computing Power Generation Control Power Grid Single-stage Multifunctional Converter Small Off-grid Application Solar Array Simulator Solar Power Stations Solar PV Output Virtual Instrumentation
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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