نتایج جستجو برای: dc dc boost converter
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This paper presents an approach for teaching and learning dc-dc converter design using MathCAD. MathCAD provides advantages that greatly improve teaching and learning process especially when long and complicated design equations are involved such as those found in dc-dc converters. A design example using Excel is presented and then compared with the same example using MathCAD. Experience learne...
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 efficiency, up to 70 % in the input voltage range between 200 mV and 500 mV, and a minimum start-up voltage of 70 mV. It can deliver an output power of ...
The thermoelectric transfer difference of Thermal Converters (TCs) can be evaluated in both current mode and voltage mode, using a fast-reversed dc (FRDC) source. Some types of TCs show differences in the thermoelectric transfer difference between voltage and current mode as large as some parts in 10. In order to investigate the origin of the discrepancy, the change of the thermoelectric transf...
DC-DC converters have been applied to industrial applications widely during the past few decades. With rapid development of technology, negative output (N/O) dc-dc converters play an important role in the industrial fields, such as regenerative braking system (RBS) of DC motors for hybrid electric vehicles, signal generator and data transmission interface, neutral point clamping power electroni...
A novel modified bridge-type dual input DC-DC converter, which is proficient for integrating distinct V-I characteristic sources such as solar-PV, wind, etc., and storages including battery, ultracapacitor, fuel cell, etc., is proposed in this paper. Three modes of operations such as boost, buck, and buck-boost are possible using the same structure of the converter, and the converter can operat...
This paper presents the basic characteristics of the digitally controlled boost type dc-dc converter. The static and dynamic characteristics of the dc-dc converter with the digital PID control are discussed. Especially, it is examined that the A-D conversion timing and anti-aliasing filter’s cut-off frequency affect the dynamic and static characteristics. As a result, when the anti-aliasing fil...
The present work describes the analysis, modeling and control of an interleaved Boost converters and Buck power inverter used as a DC-DC and DC-AC power conditioning stage for grid-connected photovoltaic (PV) systems. To maximize the steady-state input-output energy transfer ratio a backstepping controller is designed to assure output unity power factor and a Maximum Power Point Tracking (MPPT)...
Abstract – This document gives you a brief idea of the Design and simulation of DC/DC Boost converter using pulse width modulation based sliding mode controller operating in continuous conduction mode is discussed. The performance and properties of sliding mode controller is compared with conventional controllers Proportional Integral Derivative (PID) controller and Proportional Integral (PI) c...
This integrated single inductor dual-output boost DC/DC converter 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. Each output is time-multiplexed and regulated via current mode control. A drain-extended 0.13um technology allows backlight application up to 11V operation. The chip o...
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