نتایج جستجو برای: synchronous buck converter
تعداد نتایج: 61325 فیلتر نتایج به سال:
Dynamic response of a converter plays an important role in many applications which change load in a rapid manner, especially in PoL(Point of load)applicat ions. Here a new method for improving the dynamic response of a converter is presented. Here separate control schemes are implemented during steady state as well as transient load conditions. A three level buck converter topology with fast tr...
This paper presents comparative performance between Analog and digital controller on DC/DC buck-boost converter four switch. The design of power electronic converter circuit with the use of closed loop scheme needs modeling and then simulating the converter using the modeled equations. This can easily be done with the help of state equations and MATLAB/SIMULINK as a tool for simulation of those...
In order to obtain more power from photovoltaic (PV) modules under mismatching operating conditions, the submodule-based MPPT technique is an important solution. this technique, since power-voltage (P-V) curve of a submodule cannot be multi-peaked, maximum point (MPP) tracking (MPPT) easily achieved through DC-DC converter connected each submodule. Since P-V in multi-peaked form, can obtained w...
In hybrid and renewable energy system, multiple-input converter is the best choice to integrate various input sources for supplying power to the load. In this paper, a multi-input DC-DC converter having ability to transfer energy from one of the sources to the energy storage source is presented. This feature results in improved reliability. In addition to this, energy sources having distinct vo...
In this paper, we propose the use of second-order slope compensation for a current-mode PWM buck converter. First, the current feedback loop in a current-mode PWM buck converter using a conventional slope compensation is analyzed by the small-signal transfer function. It becomes clear that the stability and frequency bandwidth of the current feedback loop is affected by the external input volta...
the aim of this paper is to design a fractional order sliding mode controllers (fosmc)for a class of dc-dc converters such as boost and buck converters. firstly, the control lawis designed with respect to the properties of fractional calculus, the design yields an equiv-alent control term with an addition of discontinuous (attractive) control law. secondly, themathematical proof of the stabilit...
─The suitability of a single-stage ac-dc buck-boost converter for low-voltage applications is investigated. Indepth discussion and analysis of the converter’s operating principle, basic relationships that govern converter steadystate operation, and details of the necessary control structures needed to comply with the grid code are provided. The validity of the proposed system is confirmed using...
In this paper, H∞ loop-shaping control is applied to improve the performance of a buckboost dc-dc power converter based on pulse-width-modulation (PWM) techniques. Here, classical control techniques (i.e., proportional-integral-derivative (PID) control) and post-modern control techniques (i.e., H∞ control), are used to design the feedback loop of a buck-boost dc-dc power converter. The results ...
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