Small signal analysis of the LCC-type parallel resonant converter using discrete time domain modeling

Discrete state-space modeling of the LCC-type parallel resonant power converter is presented. Using these large signal equations, small signal modeling of the power converter is obtained. Multiple loops have been used for the closed loop operation. State variable feedback control has been integrated...

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Bibliographic Details
Published in:IEEE transactions on industrial electronics (1982) 1995-12, Vol.42 (6), p.604-614
Main Authors: Agarwal, V., Bhat, A.K.S.
Format: Article
Language:English
Subjects:
Applied sciences
Electrical engineering. Electrical power engineering
Equations
Exact sciences and technology
Feedback control
Feedback loop
Open loop systems
Power electronics, power supplies
Resonance
Signal analysis
State feedback
State-space methods
Steady-state
Time domain analysis
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Summary:Discrete state-space modeling of the LCC-type parallel resonant power converter is presented. Using these large signal equations, small signal modeling of the power converter is obtained. Multiple loops have been used for the closed loop operation. State variable feedback control has been integrated with the linear small signal state-space model and the associated control aspects are studied. The small signal state-space model has been used to study the small signal behavior of the power converter for open loop and closed loop operation for parameters like control to output transfer function, audio-susceptibility and output impedance. Key theoretical results have been experimentally verified.
ISSN:0278-0046
1557-9948
DOI:10.1109/41.475501