NDLI: One-Cycle-Controlled Single-Stage Single-Phase Voltage-Sensorless Grid-Connected PV System

Content Provider	IEEE Xplore Digital Library
Author	Sreeraj, E.S. Chatterjee, K. Bandyopadhyay, S.
Copyright Year	1982
Abstract	Reforms in the electricity sector along with various renewable-energy-promotion policies have increased the importance of small grid-connected photovoltaic (PV) systems utilizing single-stage single-phase inverters. Ruggedness, reliability, and cost effectiveness are the desirable characteristics of such inverters used in distributed low-power applications. Schemes based on one-cycle control (OCC) which do not require the service of a phase-locked loop for interfacing the inverter to the grid are increasingly being employed for such applications. However, the OCC-based schemes reported earlier require sensing of the grid voltage which somewhat offsets one of the inherent strengths of OCC-based systems. In an effort to overcome the aforementioned limitation, an OCC-based grid-connected single-stage PV system is proposed in this paper which does not require to sense the grid voltage. Further, it requires less number of sensors (two) as compared to that required (four) in the earlier reported scheme for the implementation of the core controller comprising of OCC and maximum-power-point-tracking blocks. The viability of the proposed scheme is confirmed by performing simulation and experimental validation.
Sponsorship	IEEE Industrial Electronics Society
Starting Page	1216
Ending Page	1224
Page Count	9
File Size	348980
File Format	PDF
ISSN	02780046
Volume Number	60
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-01-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Inverters Voltage control Switches Reactive power Arrays Phase locked loops Sensors single-phase grid-connected inverter Maximum-power-point tracking (MPPT) one-cycle control (OCC) photovoltaic (PV) inverter
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Electrical and Electronic Engineering Computer Science Applications

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