Delta Modulation Technique and Harmonic Analysis for the Modified Quadruple-Diode Boost Regulator Without and With a Voltage Multiplier Unit (VMU)

Walid Emar (), Ahmad Aljanaideh, Ala Jaber, Mohammad Musleh, Ali Emar and Mohammed Al-Nairat
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Walid Emar: Energy Engineering Department, Engineering Technology Faculty, Zarqa University, P.O. Box 2000, Zarqa 13110, Jordan
Ahmad Aljanaideh: Electrical Engineering Department, Engineering Technology Faculty, Zarqa University, P.O. Box 2000, Zarqa 13110, Jordan
Ala Jaber: Mechanical Engineering Department, Engineering Technology Faculty, Zarqa University, P.O. Box 2000, Zarqa 13110, Jordan
Mohammad Musleh: Electrical Engineering Department, Engineering Technology Faculty, Zarqa University, P.O. Box 2000, Zarqa 13110, Jordan
Ali Emar: Renewable Energy Engineering Department, Engineering Faculty, Middle East University, P.O. Box 383, Amman 11610, Jordan
Mohammed Al-Nairat: Electrical Engineering Department, Engineering Technology Faculty, Zarqa University, P.O. Box 2000, Zarqa 13110, Jordan

Energies, 2025, vol. 18, issue 10, 1-40

Abstract: The authors of this study suggest an improvement to their recently released quadruple-diode boost regulator (QDBC), which may be used in two configurations: without or with a voltage multiplier unit (VMU). This voltage multiplier unit consists of two switch capacitors diagonally connected across two diodes, or vice versa. During each operational cycle, energy can be stored and released through the switch capacitive filters and inductive chokes, increasing voltage gain and decreasing output fluctuation. ANSOFT/SIMPLORER 7, PLECS 4.9.5, and SIMULINK 2021a are further used to simulate the proposed regulator’s linearized version to investigate its frequency response and stability. Hence, to improve the harmonic performance of the proposed regulator, the authors of this study used a delta modulation current regulator (DMCR), sometimes referred to as a variable bandwidth delta modulation current regulator. The findings show that the QDBC has, when using the DMCR, a voltage gain of 1 + D / ( 1 − D ) 2 , an efficiency of 97%, and a shorter settling time of 0.04 s when compared to other DC-DC regulators (SEPIC, boost, and quadratic boost). Finally, to validate the theoretical analysis and simulation results of the proposed QDBC structure, a 250 W regulator prototype was built utilizing similar design exercise requirements.

Keywords: quadruple-diode boost regulator (QDBC); LC filter; voltage multiplier unit (VMU); delta modulation current regulator (DMCR); frequency response; experimental prototype (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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