Analysis of the Loops of a Series Resonant Inverter Based on the Small Signal Model

2021 ◽  
Author(s):  
Marin Titus Tomse
Keyword(s):  
Small Signal ◽  
Signal Model ◽  
Resonant Inverter ◽  
Small Signal Model ◽  
Series Resonant ◽  
Series Resonant Inverter

scholarly journals Verification of a control systems design for a series resonant converter based on a small-signal model

2021 ◽  
Author(s):  
Jermaine Stern
Keyword(s):  
Control System ◽  
Systems Design ◽  
Small Signal ◽  
Resonant Converter ◽  
Signal Model ◽  
System A ◽  
Small Signal Model ◽  
Series Resonant ◽  
Control Systems Design ◽  
Reference Input

The project verifies the performance of a control system designed for a Series Resonant Converter (SRC). A discrete small-signal model of an SRC was derived and used to design the control system. An accurate control system was designed in the frequency domain to eliminate the need for trail-and-error [sic] methods or other time domain methods. A PSPICE simulation of a regulated SRC circuit was used to test the control system. A prototype of the regulated SRC was developed to verify the simulated results. The tests performed demonstrated that the control system design provides a quick response. The tests determined that when a step input is applied to the reference input the control system adjusts the SRC's output voltage to the new reference input value. Also, the control system is able to regulate output load voltage in the presence of sudden load changes.

scholarly journals Small-Signal Model for Dual Active Bridge Series Resonant DC-DC Converters with Variable-Frequency and Phase-Shift Modulation

2019 ◽  
Vol 37 (4) ◽  
pp. 830-837
Author(s):  
Weijian Han ◽  
Ruiqing Ma ◽  
Qing Liu
Keyword(s):  
Phase Shift ◽  
Closed Loop ◽  
Variable Frequency ◽  
Stable Operation ◽  
Small Signal ◽  
State Variables ◽  
Signal Model ◽  
Dual Active Bridge ◽  
Small Signal Model ◽  
Series Resonant

Variable frequency and phase shift modulation can achieve zero-voltage switching (ZVS) of dual active bridge series resonant DC-DC converters(DABSRCs) over a wide operating range so as to effectively improving system efficiency and reliability. In order to study the dynamics of DABSRCs and provide the basis for the closed-loop compensator design, a continuous-time small-signal model is proposed. The generalized average modelling approach is adopted, in which the DC component of the output voltage and the fundamental component of the inductor current and resonant capacitor voltage are selected as the state variables, precisely describing impacts of the resonance on the system dynamics. On the above-mentioned basis, a closed-loop compensator is designed, which achieves the stable operation with the ZVS variable frequency and phase shift modulation. The analysis results are verified by the simulation and experimental results.

scholarly journals Analysis and Small Signal Modeling of Five-Level Series Resonant Inverter

IEEE Access ◽  
2021 ◽  
pp. 1-1
Author(s):  
Alla Eddine Toubal Maamar ◽  
M'hamed Helaimi ◽  
Rachid Taleb ◽  
Mostefa Kermadi ◽  
Saad Mekhilef ◽  
...  
Keyword(s):  
Small Signal ◽  
Signal Modeling ◽  
Resonant Inverter ◽  
Series Resonant ◽  
Series Resonant Inverter ◽  
Small Signal Modeling

scholarly journals Verification of a control systems design for a series resonant converter based on a small-signal model

2021 ◽  
Author(s):  
Jermaine Stern
Keyword(s):  
Control System ◽  
Systems Design ◽  
Small Signal ◽  
Resonant Converter ◽  
Signal Model ◽  
System A ◽  
Small Signal Model ◽  
Series Resonant ◽  
Control Systems Design ◽  
Reference Input

The project verifies the performance of a control system designed for a Series Resonant Converter (SRC). A discrete small-signal model of an SRC was derived and used to design the control system. An accurate control system was designed in the frequency domain to eliminate the need for trail-and-error [sic] methods or other time domain methods. A PSPICE simulation of a regulated SRC circuit was used to test the control system. A prototype of the regulated SRC was developed to verify the simulated results. The tests performed demonstrated that the control system design provides a quick response. The tests determined that when a step input is applied to the reference input the control system adjusts the SRC's output voltage to the new reference input value. Also, the control system is able to regulate output load voltage in the presence of sudden load changes.

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