Modulator for 4-level Flying Capacitor Converter with Balancing Control in the Closed Loop | Zendy

Jiří Brychcín | Zendy; Dušan Janík | Zendy; Tomáš Košan | Zendy; Zdeněk Peroutka | Zendy

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Modulator for 4-level Flying Capacitor Converter with Balancing Control in the Closed Loop

Author(s) -

Jiří Brychcín,

Dušan Janík,

Tomáš Košan,

Zdeněk Peroutka

Publication year - 2016

Publication title -

transactions on electrical engineering

Language(s) - English

Resource type - Journals

ISSN - 1805-3386

DOI - 10.14311/tee.2016.3.066

Subject(s) - pulse width modulation , capacitor , control theory (sociology) , voltage , modulation (music) , closed loop , power (physics) , three phase , computer science , control (management) , engineering , electrical engineering , control engineering , physics , quantum mechanics , artificial intelligence , acoustics

This paper presents a modulator with an active voltage balancing control for the three-phase fourlevel FLC converter based electric motor drive for applications supplied directly from a 6 kV ac-grid. It describes a modulation algorithm of the FLC converter by using the phase shifted PWM modulation with balancing voltage of the flying capacitor by using P controllers in the closed loop. The proposed control was verified by experiments carried out on the down-scale drive prototype of the rated power of 35 kVA.

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