BOND GRAPH MODELLING AND DESIGN OF BOOST ZCS QUASI RESONANT DC-DC POWER CONVERTER

Here, a Boost Zero voltage switching (ZVS) Quasiresonant DC-DC power converter is modeled using bond graph modeling technique. The three important models of the converter which are large signal model, steady-state model and small signal AC bond graph models of the Boost ZVS Quasiresonant converter will be offered. The bond graph model is to be simulated in MATLAB/SIMULINK and the simulated waveforms are compared with that of PSIM simulated waveforms

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Bond Graph Modelling and Simulation of Buck ZVS Quasiresonant DC-DC Power Converter

International Journal of Engineering and Advanced Technology - Regular Issue ◽

10.35940/ijeat.a9817.109119 ◽

2019 ◽

Vol 9 (1) ◽

pp. 3759-3764

Keyword(s):

Graph Model ◽

Bond Graph ◽

Power Converter ◽

Small Signal ◽

Large Signal ◽

Graph Models ◽

Zero Voltage Switching ◽

Dc Power ◽

Zero Voltage ◽

Voltage Switching

Modeling of Buck Zero voltage switching (ZVS) Quasiresonant DC-DC power converter using bond graph approach is being presented here. The development of steady-state, small signal and large signal AC bond graph models of Buck ZVS Quasiresonant converter will be presented. The bond graph model will be simulated in MATLAB/SIMULINK and are compared with the simulated results obtained in PSIM.

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On-chip RF to DC Power Converter for Bio-Medical Applications

2019 32nd International Conference on VLSI Design and 2019 18th International Conference on Embedded Systems (VLSID) ◽

10.1109/vlsid.2019.00117 ◽

2019 ◽

Author(s):

Harshal Chapade ◽

Rajesh Zele

Keyword(s):

Power Converter ◽

Medical Applications ◽

Dc Power ◽

On Chip

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Measuring Current in a Power Converter Using Fuzzy Automatic Gain Control

Applied Sciences ◽

10.3390/app11135793 ◽

2021 ◽

Vol 11 (13) ◽

pp. 5793

Author(s):

Bartosz Dominikowski

Keyword(s):

High Resolution ◽

Fuzzy Controller ◽

Automatic Gain Control ◽

Gain Control ◽

Measurement Range ◽

Power Converter ◽

Current Measurement ◽

Dc Power ◽

Programmable Gain ◽

Electric Loads

The accuracy of current measurements can be increased by appropriate amplification of the signal to within the measurement range. Accurate current measurement is important for energy monitoring and in power converter control systems. Resistance and inductive current transducers are used to measure the major current in AC/DC power converters. The output value of the current transducer depends on the load motor, and changes across the whole measurement range. Modern current measurement circuits are equipped with operational amplifiers with constant or programmable gain. These circuits are not able to measure small input currents with high resolution. This article proposes a precise loop gain system that can be implemented with various algorithms. Computer analysis of various automatic gain control (AGC) systems proved the effectiveness of the Mamdani controller, which was implemented in an MCU (microprocessor). The proposed fuzzy controller continuously determines the value of the conversion factor. The system also enables high resolution measurements of the current emitted from small electric loads (≥1 A) when the electric motor is stationary.

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