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AN OVERVIEW OF OPERATION SYSTEM ORDER FOR DC- DC CONVERTER USING PULSE- WIDTH MODULATION

Joseph A. Owolabi

Abstract


To achieve the continuous power transmission, the behavior of dc-dc converter using pulse width modulation technique need to be analyzed in different operation modes. In this paper, review of operation system order for dc-dc converter using PWM that controls the power flow path between the source, load and the battery was done. The generator voltage, input frequency and loads demand with several operating states and control strategies are reviewed. The verification of modulation concepts using MATLAB simulation technique for experimental testing was reviewed. Moreover, the analysis of ripple and power flow direction for output current in order to study the behavior of system order in the operation mode where the primary winding of the transformer connected with capacitor, and switches and rectifier, LC filter connected to the secondary winding to reduce harmonic were stated. An induction motor connected to the output of the converter runs on three phase supply and the output dc therefore converted into three phase supply. The simulation result revealed that the dc-dc converter with PWM is able to reach the maximum voltage ratio in operation mode with and without any distortion in output voltage or output current waveforms. The control signal is tracked in the operation mode in terms of waveforms, frequency and amplitude regardless of the type and number of outputs connected to the system. Applications such as fast transient response, high efficiency at low load, spread spectrum of switching noise and can operate at higher switching frequency are maintained in dc-dc converter using PWM. In conclusion, the usage of PWM in dc-dc converter can reduce electromagnetic torque, harmonic spikes and produce an excellent output response with ripples cancellation. Keyword : Operation system order, dc- dc converter, pulse-width modulation.

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References


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