A Single-Stage PV Module Integrated Converter Based on a Low-Power Current-Source Inverter

This paper presents a transformerless three-phase inverter designed for the integration into a special type of a photovoltaic (PV) module, which is capable of providing an output voltage of several hundred volts. The chosen topology, a current-source inverter, features a single-stage power conversio...

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Bibliographic Details
Published inIEEE transactions on industrial electronics (1982) Vol. 55; no. 7; pp. 2602 - 2609
Main Authors Sahan, B., Vergara, A.N., Henze, N., Engler, A., Zacharias, P.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.07.2008
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Alternating current (AC) module
Attenuation
Conversion
Converters
current-source inverter (CSI)
Feeds
Inverters
Laboratories
Modulation
Modules
photovoltaic (PV) power systems
Photovoltaic systems
Power conversion
Prototypes
pulsewidth-modulated (PWM) inverters
Robustness
Solar power generation
Strategy
Testing
Topology
Voltage
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Summary:This paper presents a transformerless three-phase inverter designed for the integration into a special type of a photovoltaic (PV) module, which is capable of providing an output voltage of several hundred volts. The chosen topology, a current-source inverter, features a single-stage power conversion system that directly feeds into the grid. The principle operation and control is described, and a modified modulation strategy is proposed to attenuate common-mode currents. A robust and highly efficient laboratory prototype of a 250-W module integrated converter has been implemented and tested. Its compact and flat design allows the direct attachment to the PV module.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0278-0046
1557-9948
DOI:10.1109/TIE.2008.924160