dc dc converter
DC/DC converter converts one DC voltage to another. The operating voltage of different electronic devices such as ICs can vary
DC / DC Converter
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Converts 24V line power input to 7.2V output Provides high power transfer efficiency Incorporates robust long life components Not impacted by dust, moisture, debris, and variable temperatures Specifications Dimensions 160 x 100 x 81 mm 6.3 x 4 x 3.2 inches Input Voltage 5.5V to 30V The double-height dc/dc converters 50 to 200 Wi (see Fig. 12.1) in SIVAPA Cconstruction operate, in general, on the single-ended forward converter principle (60 kHz, with pulse-width control). From an input supply of 48 or 60 V (40 to 75 V), they produce an output voltage of 5,
Novel high step-up DC DC converter for distributed generation system
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Abstract In this paper, a novel high step-up DC DC converter for distributed generation (DG) system is proposed. The concept is to utilize two capacitors and one coupled-inductor. The two capacitors are charged in parallel during the switch-off period and are discharged in
A compact, high voltage 25 kW, 50 kHz DC DC converter based on SiC JFETs
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DC / DC Converter
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Abstract DC/DC converters are often used to provide a DC regulated output voltage. It can be used to provide voltage isolation as well as the required regulated output voltage. The converter takes the input DC voltage, inverts it to an AC voltage, and then rectifies it back to
Step-up DC DC Converter with coupled inductors for low input voltages
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Abstract: Step-up dc-dc converters have to cope with extremely low input voltages when used in combination with energy harvesting sources like thermogenerators, inductive generators or solar cells. The presented dc dc converter is characterized by a high
A SingleSwitchACDC Converter with Power Factor Correction
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This PFC circuit may be an independent unit followed by a dcdcconverter or an insep- arable part of circuit incorporated into the power supply of the load, namely two-stage PFC power supply and single-stage PFC power supply, respectively
Ultra-low input voltage DC DC converter for micro energy harvesting
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Abstract: Sensor nodes and other ultra-low power devices can be powered with micro energy harvesting. In case of low environmental power thermo generators, solar cells, inductive generators or radio frequency (RF) energy harvesting circuits provide an extremely
Sliding mode control of DC-DC boost converter
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Keywords: Switched-mode power supplies, boost converter, Dc Dcconverter sliding mode control G GLGcLLLSGGGGG The boost type Dc-Dc converters are used in applications where the required output voltage is higher than the source voltage
A single phase single stage AC/DC converter with high input power factor and tight output voltage regulation
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It is a basic DC DCconverter and it is not used for power factor correction. Figure 4 shows the flyback type topologyFigure 7 shows a PFC circuit in which a resonant converter is inserted between the input diode rectifier and the dc dcconverter
Design of an intelligent bi-directional DC DC converter with half bridge topology
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Abstract: This paper introduces a novel Bi-directional DC DC converter with artificial neural network controller (ANN). Bidirectional power flow is obtained by the same power components and provides a simple, efficient, and galvanically isolated converter. In the
Maximum power point tracking controller for PV systems using a PI regulator with boost DC / DC converter
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Abstract In this paper, we present a novel maximum power point tracking method for a photovoltaic system consisting of a photovoltaic panel with a power electronic converter; the whole is feeding a battery. This maximum power point depends on the temperature and
Optimal design of a single-input parallel DC DC converter designed by switched capacitor techniques
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ICIC International c 2010 ISSN 1349-4198 Volume 6, Number 1, January 2010 pp. 215 227 OPTIMAL DESIGN OF A SINGLE-INPUT PARALLEL DC DCCONVERTER DESIGNED BY SWITCHED CAPACITOR TECHNIQUES Kei Eguchi 1 Sawai Pongswatd 2 Kitti Tirasesth
The PEM fuel cell system with DC/DC boost converter: design, modeling and simulation
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Index Terms DC / DCConverter Distributed generation, PEM fuel cell, PI controller. I. INTRODUCTIONThe DC DCConverter is an integral part of fuel cell power conditioning unit, it is therefore this paper intends to present modeling of fuel cell as well as of DC / DCConverter
An effective high step-up interleaved DC DC converter photovoltaic grid connection System
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AbstractWithin the photovoltaic (PV) power generation systems in the market, the ac PV module has shown obvious growth. However, a high voltage gain converter is concentrate for the modulegrid connection with dc-ac inverter. This paper proposed a converter that
PWM-based sliding mode controller for DC-DC boost converter
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MOSFET technology advances DC DC converter efficiency for processor power
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Abstract The trade-off between on-resistance (Rdson) and gate-drain charge (Qgd) inherent in the unit cells of all commercially available MOSFET technologies has limited the performance of DC-DC converters for processor power. In this paper, a new trench MOSFET
Experimental analysis of wide input voltage range qZS-derived push-pull DC / DC converter for PMSG-based wind turbines
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Abstract This paper presents a new isolated step-up DC / DC converter topology derived by combining two qZS-based step-up DC/DC converters with coupled inductors. The proposed converter is intended for applications that require a high gain of the input voltage and
Study of sliding mode control of dc-dc buck converter
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Fast dynamic response of the output voltage and robustness to load and input voltage variations are obtained. Keywords: Switched-Mode Power Supplies, Buck Converter, Dc DcConverter Sliding Mode Control 1. Introduction
Fractional sliding mode control of a dc-dc buck converter with application to dc motor drives
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A basic dc dcconverter circuit known as the Buck converter is illustrated in Fig.3. The Buck converter consists of a switch network that reduces the dc component of voltage and a low-pass filter that removes the high-frequency switching harmonics
Digital control design and implementation of a DSP based high-frequency DC-DC switching power converter
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approaches. This paper, therefore, describes a step-by-step DSP based digital control design and implementation of a high frequency dc dcconverter . Startingexperimentally. 2. Digital Control Implementation for DC DCConverter Figure
Enhanced analysis and design issues of a 3-level DC / DC converter with zero voltage and zero current switching
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Abstract An enhanced analysis for a recently proposed, 3-level half bridge featuring reduced voltage stress and soft switching of the transistors is presented revealing additional network states and yielding more exact dc-voltage ratio. Practical design issues such as downsizing
Performance evaluations of hard-switching interleaved DC/DC boost converter with new generation silicon carbide MOSFETs
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However, there is no clear demonstration on how much performance improvements can be achieved by using SiC MOSFET for a hard-switching DC / DCconverter replacing other complicated soft-switching DC / DCconverter and how much cost it can reduce in the system bill of
High-power DC DC converter technologies for smart grid and traction applications
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Abstract Electric transformers, either utilized in electric power systems or within a power electronics-based converter, are fundamental components of modern highly-efficient energy supply chains, as they provide the voltage adaptation between networks with different
DC/DC switching power converter with radiation hardened digital control based on SRAM FPGAs
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operating states. The simplest way to achieve this is by means of a general reset. However, a reset will disrupt the current state of the system, and an undesirable transient pulse will result at the DC / DCconverter output. To avoid
Analysis and Design of a Single-Phase Tapped-Coupled-Inductor Boost DC DC Converter
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Abstract A single-phase tapped-inductor boost converter has been proposed previously. However, detailed characterization and performance analysis were not conducted. This paper presents a detailed characterization, performance analysis, and design expressions
A PWM Dual-Output DC-DC Boost Converter in a 0.13 um CMOS Technology for Cellular-Phone Backlight Application
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Abstract: This integrated single inductor dual-output boost DC / DCconverter provides two independently regulated outputs with maximum efficiency at 83%. The converter operates in PWM and discontinuous mode at 500kHz using a 6.8uH inductor
A 2nd generation micro DC DC converter
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While miniaturization of cell phones, digital still cameras, portable music players and other types of portable electronic equipment is being accelerated, lower current consumption is being required in order to enable longer continuous usage of batteries. For this purpose, the
Dual-input DC DC converter for renewable energy
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Abstract Renewable energy sources are highly erratic in nature. It is difficult to provide reliable power supply to the load under varying atmospheric conditions. Dual input DC DC converter topology, which assimilates more than one DC sources, is developed. A fuzzy-
A switched-capacitor-based serial DC DC converter using clean energy power supplies
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Abstract. Aimed at mobile back-lighting applications, a switched-capacitor-based serial DC DC converter is proposed in this paper. By using battery energy and solar energy, the proposed converter generates the stepped-up voltage to drive white LEDs. Unlike
Detailed Modeling and analysis of a full bridge PWM DC DC converter
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ABSTRACT This paper presents a detailed small-signal and transient analysis of a full bridge PWM converter designed for high voltage, high power applications using an average model. The derived model is implemented in a typical system and used to produce the small-
DC DC converter using fuzzy logic controller
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Abstract-This paper presents an approach for DC DC converter generally consists of power semiconductor devices which are operate as an electronic switches. Operation of these switching devices causes inherently nonlinear characteristic to the DC-DC Converters
Practical implementation of GA tuned DC DC converter
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Abstract Fuzzy Sliding Mode like Control (FSMC) is an appropriate robust control method for a specific class of nonlinear systems that provides higher robustness as compared to conventional sliding mode control. The main problem in implementing a FSMC is how to
A Dickson-type adder/subtractor DC DC converter realizing step-up/step-down conversion
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Abstract. In this paper, a Dickson-type adder/subtractor DC DC converter realizing step- up/step-down conversion is proposed. Although the conventional Dickson converter cannot achieve step-up/step-down conversion, the proposed converter can provide not only the
Dc-Dc buck-converter for mppt of pv system
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And a dc dcconverter (step up / step down) act as an interface between the load and the PV module as it serves the purpose of transferring maximum power from the solar PV module to the load1 shows the basic block diagram of DC DCConverter operating at MPP
Fuzzy Logic Controlled Synchronous Buck DC DC Converter Ior Solar Energy-Hydrogen Systems
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Abstract In this paper, a Fuzzy Logic Controlled (FLC) synchronous buck DC DC converter for solar energy-hydrogen systems is presented. General design of a fuzzy logic controller (FLC), based on Matlab/Simulink is performed. This design can be implemented easily by
Analysis, design, and implementation of a 5 kw zero voltage switching phase-shifted full-bridge dc / dc converter based power supply for arc welding machines
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4. DESIGN OF THE FULL-BRIDGE PHASE-SHIFTED ZERO VOLTAGE SWITCHING DC / DC CONVERTER57 4.1. Introduction 57 4.2. Design Considerations of The FB-PS-ZVS DC / DC
Isolated three-phase rectifier using a Sepic DC DC converter in continuous conduction mode for power factor correction
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Abstract:-This paper presents an analysis of a three-phase rectifier with high power factor using a Sepic DC DC converter operating in continuous conduction mode (CCM). The structure is particularly simple and robust. Its main features are: one power processing
Impedance source inverter based high-power dc / dc converter for fuel cell applications
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Abstract-This paper presents the possibility of implementation of fuel cells with low output voltage range for supplying the highvoltage loads. For matching the different voltage levels and for the providing of galvanic insulation the isolated DC/DC interface converter is
An investigation of new control method for MPPT in PV array using DC/DC buck boost converter
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are studied. Simulation of the whole system is presented focusing on DC / DC convertercontrol strategy so that the system operates in maximum power point (MPP) and converteroutput voltage remains constant. Incremental
Design of dc dc converter with maximum power point tracker using pulse generating (555 timers) circuit for photovoltaic module
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Abstractdue to the decline in power of photovoltaic module as a result of changes in irradiation which affect the photovoltaic module performance, the design and implementation of DC-DC boost converter operating in continuous conduction mode with a
Micro Controller based Current Fed Dual Bridge DC DC Converter
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Abstract-Here emphasis is to realize a new isolated current fed pulse width modulation dc dc convertercurrent fed dual-bridge dc dc converterwith small inductance and no dead time operation Previously current fed full bridge dc dc converter were used for few
High boost isolated dc dc converter with controller
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Abstract: This paper presents high boost isolated dc dc converter with closed loop control to provide high voltage regulation control suitable for renewable energy source. The circuit consists of active clamp circuit and boost converter with isolated transformer. The circuit
Design and analysis of a 24 Vdc to 48 Vdc bidirectional DC DC converter specifically for a distributed energy application
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ABSTRACT The design of a bidirectional DC-DC power converter specifically for a distributed energy application is presented. The existing two different DC voltage battery bank of the distributed generation needs to interlink each other using a bi-directional DC DC
Analysis and control of a bidirectional DC / DC converter for an ultra-capacitor in a fuel cell generation system
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AbstractSince the fuel cell system has a slow dynamics by nature, it is recommended to have additional auxiliary power storage such as ultra-capacitors and battery during transients to improve system performance for stationary power and transportation
Application of Fuzzy Logic to Control the DC DC Converter
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Abstract:-In this paper controlled DC DC converter using several fuzzy logic control law algorithms are studied. These controllers are designed to eliminate the overshoot and reduce the settling time response. In order to improve this property several control
Modeling and sliding mode control of dc-dc buck-boost converter
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Matlab/Simulink is used for the simulations. The simulation results are presented.. KeywordsBuck-boost converter, dc dcconverter sliding mode controlA dc dcconverter must provide a regulated dc output voltage even subjected to load and input voltage variations
Ultra-high performance telecom DC DC converter
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Abstract Telecommunication and data provision are cornerstones of our modern society. The evolution of the multimedia network around the world started more than one century ago and, as a consequence, the power supplies for the telecom facilities and the parallel-
A zero voltage and zero current switching three-level DC / DC converter using a lossless passive circuit
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AbstractThis paper presents a novel zero voltage and zero current switching (ZVZCS) Three-Level (TL) dc / dc converter . The converter uses a phase shift control with a flying capacitor in the primary side to achieve ZVS for the outer switches. Additionally, the
Input-output based quasi-sliding mode control of DC DC converter
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The paper presents the design of discrete-time quasi-sliding mode voltage controller for DC- DC buck converter. The control algorithm is realized by measuring only sensed output voltage. No current measurements and time derivatives of output voltage are necessary. The
Simulation study of quasi impedance source isolated DC / DC converter fed drives
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ABSTRACT This paper describes to step up the varying applied voltage, using a new step- up isolated DC / DC converter which developed for distribution network with better efficiency and simulated through using MATLAB/SIMULINK VERSION 7.9. The main drawback of the Abstract: This poper presents the design of a low voltage and high speed driver circuit for Boost DC DC converter . The supply voltage of the circuitis as low as IV. and the frequency is as high as IMHz. The paper introduces the spirit of design in detail, and presents the factmil
Design, Simulation and Analysis of Microcontroller based DC-DC Boost Converter using Proteus Design Suite
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Boost converter controlled by microcontroller is simulated under open loop condition the results are obtained. Index Terms DC DCConverter Proteus design suite, Microbasic, Microcontroller I. INTRODUCTION Oil and gas are most commonly used fuels for power generation
Comparison of different DC DC converter for MPPT application of photovoltaic system
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AbstractA DC DC converter is an important constituent of a photovoltaic (PV) power system. Power generated by the PV system is a function of solar insolation, and temperature. Powervoltage (PV) characteristic of a PV module exhibits a single power peak. A maximum
Design of a lightweight DC / DC converter providing fault tolerance by series connection of low voltage sources
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The technical progress in the field of power electronics enables High Voltage DC power distribution systems to provide opportunities for many applications including aircraft industry. On the one hand, lots of electrical loads use DC power or have an internal DC link which is
A suitable power transfer control system for interconnection converter of DC microgrids
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in previous researches. In this paper, an electrical model has been developed for DC microgrids and a suitable control system has been proposed for a DC / DCconverter connecting two DC microgrids. Simulation results indicate
High Power Buck-Boost DC / DC Converter for Automotive Powertrain Applications
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Abstract A high power buck-boost DC / DC converter for use in the powertrains of hybrid cars is presented. A special digital control strategy is implemented that allows a smooth change between both energy transfer directions. Equipped with this feature the converter can realize