Micro-inverter for integrated grid-tie photovoltaic module using resonant controller
Contribuinte(s) |
Universidade Estadual Paulista (UNESP) |
---|---|
Data(s) |
03/12/2014
03/12/2014
01/05/2014
|
Resumo |
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) Processo FAPESP: 2010/15848-7 Processo FAPESP: 2008/07956-4 Processo FAPESP: 2010/50101-0 Two-stage isolated converters for photovoltaic (PV) applications commonly employ a high-frequency transformer (HFT) on the DC-DC side, submitting the DC-AC inverter switches to high voltages and forcing the use of insulated-gate bipolar transistors instead of low-voltage and low-loss metal-oxide-semiconductor field-effect transistors. This paper shows the modeling, control and simulation of a single-phase full-bridge inverter with HFT that can be used as part of a two-stage converter with transformerless DC-DC side or as a single-stage converter (simple DC-AC inverter) for grid-connected PV applications. The inverter is modeled to obtain a small-signal transfer function used to design the P+Resonant current control regulator, whose main advantages are the simplicity for implementation in single-phase systems and zero steady state error with sinusoidal current. A high-frequency step-up transformer results in low-voltage switches and better efficiency compared with converters in which the transformer is used on the DC-DC side. Simulations and experimental results with a 200-W prototype are shown. |
Formato |
713-722 |
Identificador |
http://dx.doi.org/10.1002/etep.1729 International Transactions On Electrical Energy Systems. Hoboken: Wiley-blackwell, v. 24, n. 5, p. 713-722, 2014. 2050-7038 http://hdl.handle.net/11449/111767 10.1002/etep.1729 WOS:000334550500007 |
Idioma(s) |
eng |
Publicador |
Wiley-Blackwell |
Relação |
International Transactions On Electrical Energy Systems |
Direitos |
closedAccess |
Palavras-Chave | #grid-connected #full-bridge inverter #high-frequency transformer #modeling #P plus Resonant #photovoltaic |
Tipo |
info:eu-repo/semantics/article |