publication . Article . 2013

Optimal Design of Modern Transformerless PV Inverter Topologies

Stefanos Saridakis; Eftichios Koutroulis; Frede Blaabjerg;
Open Access English
  • Published: 03 Apr 2013
  • Country: Denmark
The design optimization of H5, H6, neutral point clamped, active-neutral point clamped, and conergy-NPC transformerless photovoltaic (PV) inverters is presented in this paper. The components reliability in terms of the corresponding malfunctions, affecting the PV inverter maintenance cost during the operational lifetime period of the PV installation, is also considered in the optimization process. According to the results of the proposed design method, different optimal values of the PV inverter design variables are derived for each PV inverter topology and installation site. The H5, H6, neutral point clamped, active-neutral point clamped and conergy-NPC PV inve...
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free text keywords: Photovoltaic system, Optimization, DC/AC inverter, Transformerless, Reliability, Electrical and Electronic Engineering, Energy Engineering and Power Technology, Photovoltaic system, Grid-connected photovoltaic power system, Maximum power point tracking, Inverter, Engineering, business.industry, business, Mean time between failures, Optimal design, Network topology, Control theory, Cost of electricity by source
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