Two-inverter-based photovoltaic installation adjusted by the modified scheme of space-vector modulation
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OLESCHUK, Valentin; ERMURATSKII, Vladimir. Two-inverter-based photovoltaic installation adjusted by the modified scheme of space-vector modulation. In: Technical Electrodynamics. 2020, nr. 5, pp. 26-30. ISSN -.
10.15407/techned2020.05.026
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Technical Electrodynamics
Numărul 5 / 2020 / ISSN - /ISSNe 2218-1903

Two-inverter-based photovoltaic installation adjusted by the modified scheme of space-vector modulation


DOI: https://doi.org/10.15407/techned2020.05.026
Pag. 26-30

Oleschuk Valentin, Ermuratskii Vladimir
 
Institute of Power Engineering
 
Disponibil în IBN: 27 noiembrie 2020


Rezumat

Algorithms of synchronous one-stage modulation have been modified and disseminated for adjustment of two two-level inverters of transformer-based photovoltaic installation with specific double-delta configuration of inverter-side windings of power transformer. Modified algorithms of synchronous space-vector modulation, applied for control of inverters of PV system with specialized connection of windings of power transformer, assure improved spectral composition of winding voltages of transformer, characterized by the lacking in its spectra of even harmonics and undesirable subharmonics for any control modes and regimes of operation of system. References 9, figures 6, table 1.

Cuvinte-cheie
modulation strategy, Multi-winding transformer, Photovoltaic panels and arrays, voltage source inverter

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