Control of Isolated Differential-Mode Single- and Three-Phase Ćuk Inverters at Module Level

In this paper, a modular control approach has been proposed for a single- and three-phase differential-mode Ćuk inverter (DMCI) operating with a recently proposed discontinuous-modulation scheme that offers tangible performance benefits over conventional continuous modulation scheme. The modular co...

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Bibliographic Details
Published in:IEEE transactions on power electronics 2018-10, Vol.33 (10), p.8872-8886
Main Authors: Soni, Harshit, Mazumder, Sudip K., Gupta, Ankit, Chatterjee, Debanjan, Kulkarni, Abhijit
Format: Article
Language:English
Subjects:
Adaptation models
Adaptive control
Control stability
Control systems
Convergence
Converters
differential-mode Ćuk inverter (DMCI)
Harmonic distortion
high-frequency link (HFL)
Inverters
moduation
Modulation
single- and three-phase
stability
Stability analysis
Switches
Tracking control
Voltage control
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Summary:In this paper, a modular control approach has been proposed for a single- and three-phase differential-mode Ćuk inverter (DMCI) operating with a recently proposed discontinuous-modulation scheme that offers tangible performance benefits over conventional continuous modulation scheme. The modular control scheme uses a combination of a transformation and adaptive control law to meet tracking requirements in the presence of converter nonlinearity. Experimental results for the single- and three-phase DMCI are provided for startup, steady state, load transition, and total harmonic distortion using different types of loads, which validate the efficacy of the implemented modular tracking controller. Further, detailed stability of the closed-loop DMCI module is provided.
ISSN:0885-8993
1941-0107
DOI:10.1109/TPEL.2017.2779408