Chamarthi, PhaniKumar ; Rajeev, Mini ; Agarwal, Vivek (2015) A novel single stage zero leakage current transformer-less inverter for grid connected PV systems In: 2015 IEEE 42nd Photovoltaic Specialist Conference (PVSC), 14-19 June 2015, New Orleans, LA, USA.
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Official URL: http://doi.org/10.1109/PVSC.2015.7356292
Related URL: http://dx.doi.org/10.1109/PVSC.2015.7356292
Abstract
In this paper a single stage, single phase transformer-less inverter with zero leakage current is proposed for grid connected systems with PV as a source. The proposed inverter has inherent buck-boost capability and also has common ground between the negative terminal of the PV array and the grid neutral. This ensures low dc input voltage and zero leakage current through the parasitic capacitance of the PV array. The modes of operation of the inverter, its design and the simulation results are presented in detail. Losses and efficiency of the proposed inverter are compared with the existing transformer-less topologies and results are presented. Experimental validation is done and the results are included.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronics Engineers. |
| Keywords: | Inverting C̈uk Converter; Non-Inverting C̈uk Converter; Leakage Current; Transformer-Less Inverter; Inverter Losses; PV-Grid System. |
| ID Code: | 115498 |
| Deposited On: | 24 Mar 2021 10:33 |
| Last Modified: | 24 Mar 2021 10:33 |
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