D. S. Oliveira

Publications12
h-index6
Citations119
Highly Influential Citations1
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A DCM three-phase high frequency semi-controlled rectifier feasible for low power WECS based on a permanent magnet generator
This paper proposes the use of a three-phase high frequency semi-controlled rectifier operating in the discontinuous conduction mode, feasible for small wind energy conversion systems based on… Expand
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Effect of therapeutic massage on insomnia and climacteric symptoms in postmenopausal women
ABSTRACT Introduction Physiological and psychological alterations in the climacteric period frequently influence women's quality of life. Hot flushes, nocturia, mood alterations, respiratory… Expand
  • 34
A bidirectional single stage AC-DC converter with high frequency isolation feasible to DC distributed power systems
This paper proposes a single-phase bidirectional ac-dc converter feasible to dc distributed power systems. The topology provides galvanic isolation and is able to protect the system during… Expand
  • 21
Single stage high voltage gain boost converter with voltage Multiplier Cells for battery charging using photovoltaic panels
This paper presents a non-isolated high frequency DC-DC converter, which integrates a battery charger, photovoltaic panels, and a high voltage gain boost converter in a single conversion stage with… Expand
  • 18
ZVS bidirectional isolated three-phase DC-DC converter with dual phase-shift and variable duty cycle
This paper presents the analysis, design, and simulation results for a ZVS bidirectional isolated three-phase DC-DC converter with dual phase-shift and variable duty cycle. The topology uses three… Expand
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High voltage gain single stage DC-DC converter based on three-state commutation cell
This paper presents a high voltage gain single stage DC-DC converter based on the three-state commutation cell. The presented converter operates with soft-switching ZVS mode for all switches. The… Expand
  • 7
Carrier-based PWM modulation for THD and losses reduction on multilevel inverters
This paper presents an adapted carrier-based PWM modulation technique to be applied on both NPC and FC structures of multilevel inverters. The proposed modulation leads to an improved performance of… Expand
  • 5
Low cost and high efficiency static converter for small wind systems
This work introduces an innovative low cost topology for a wind conversion system with an efficient output power control in order to meet the battery charge requirements. The project is in accord… Expand
  • 3
A bidirectional single stage DC-DC converter with high frequency isolation
This paper proposes a single-phase bidirectional dc-dc converter feasible to dc distributed power systems and electrical vehicles. The topology provides high frequency galvanic isolation and is able… Expand
  • 2
Analysis and Design of a Bridgeless Power Factor Pre-Regulator Using Self-Tuning Strategy
This paper aims to analyze and project a digital controller using a low cost DSPIC applied to a pre-regulator with power factor correction intermediated by the eigencontrol strategy. All the… Expand
  • 1