DESIGN OF A PWM UNIPOLAR COMPLETE WITH FREQUENCY SETTINGS USING OPERATIONAL AMPLIFIER
DOI:
https://doi.org/10.33019/ecotipe.v6i1.942Keywords:
Frequency, OP-Amp, Unipolar PWMAbstract
Pulse Width Modulation (PWM) is applied to power electronic circuits for the control of converter circuits. In order to obtain good performance, the frequency of the PWM pulse must be adjusted to the type and parameter of the converter. In this study, the PWM pulses generated are unipolar PWM. Pulses are obtained by using three main circuits, namely triangular wave generator, control voltage and comparison circuit. The main component used is Operational Amplifier (Op-Amp). The resulting circuit can generate unipolar PWM pulses with frequency range 30 Hz to 5 kHz.
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References
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Asmar (2014). Rancang Bangun Unipolar PWM untuk Pengendalian Rangkaian H-Bridge Menggunakan Operational Amplifier. Jurnal ECOTIPE Vol.1 No.1 April 2014, Teknik Elektro Universitas Bangka Belitung.
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