Improved ac/ac choppers‐based voltage regulator designs | Zendy

Khan Muhammad Mansoor | Zendy; Rana Ahmad | Zendy; Dong Fei | Zendy

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Improved ac/ac choppers‐based voltage regulator designs

Author(s) -

Khan Muhammad Mansoor,

Rana Ahmad,

Dong Fei

Publication year - 2014

Publication title -

iet power electronics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.637

H-Index - 77

eISSN - 1755-4543

pISSN - 1755-4535

DOI - 10.1049/iet-pel.2013.0699

Subject(s) - chopper , voltage sag , compensation (psychology) , control theory (sociology) , matlab , swell , voltage , computer science , voltage regulator , electronic engineering , engineering , electrical engineering , control (management) , physics , psychology , thermodynamics , artificial intelligence , psychoanalysis , power quality , operating system

This paper proposes a robust design for the ac/ac chopper‐based voltage sag/swell compensation systems. This includes the design of a new buck–boost topology and the application of a robust switching scheme for a voltage compensator. The proposed circuit can operate in the buck or boost mode for both the sag and the swell compensations. A control scheme for a fast compensation is also proposed which is suitable for the ac/ac chopper‐based compensation system. Detailed analysis and verification through a simulation in the MATLAB are presented highlighting the advantages of the proposed technique. An experimental verification has also been performed by using a laboratory prototype system.

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