Transformer-Based PV System with Modified Techniques of PWM of Diode-Clamped Inverters
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OLESCHUK, Valentin; TIRSHU, Mihai; GALBURÂ, Victor; VASILIEV, Irina. Transformer-Based PV System with Modified Techniques of PWM of Diode-Clamped Inverters. In: Conference on Development and Application Systems DAS 2020 - Proceedings. Ediția a XV-a, 21-23 mai 2020, Suceava. Suceava, România: Institute of Electrical and Electronics Engineers Inc., 2020, pp. 106-111.
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Conference on Development and Application Systems
Ediția a XV-a, 2020
Conferința "Conference on Development and Application Systems"
Suceava, Romania, 21-23 mai 2020

Transformer-Based PV System with Modified Techniques of PWM of Diode-Clamped Inverters


DOI: 10.1109/DAS49615.2020.9108967
Pag. 106-111

Oleschuk Valentin, Tirshu Mihai, Galburâ Victor, Vasiliev Irina
 
Institute of Power Engineering
 
Disponibil în IBN: 29 septembrie 2020


Rezumat

Specialized control scheme and techniques of space-vector modulation have been adapted for synchronous regulation of two diode-clamped inverters of grid-connected photovoltaic (PV) installation with specific double-delta configuration of inverter-side windings of power transformer. Modified algorithms of synchronous modulation, disseminated for adjustment of inverters of PV system with specific connection of windings of power transformer, insure improved harmonic composition of winding voltage of transformer. Even harmonics and undesirable subharmonics are absent in spectra of winding voltage for any control regimes of operation of this PV system, including overmodulation control modes of inverters

Cuvinte-cheie
harmonic analysis, inverters, photovoltaic cells, pulse width modulation, transformer