International Research Journal of Engineering and Technology (IRJET) e-ISSN: 2395 -0056 Volume: 04 Issue: 04 | Apr -2017
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p-ISSN: 2395-0072
Study of Various Interleaved Boost Converter Controlling Techniques Mr. Sandip Apte1, Mr.Ashfaque Khan2 1Asst.Professor
DMIETR Wardha Bhopal ---------------------------------------------------------------------***-------------------------------------------------------------------2Asst.Professor
Abstract— Renewable energy importance increases all over the
transient response, and high efficiency, improved reliability and decreased electromagnetic emission. DC-DC Boost Converters can be improved as better components are developed. This encourages investigation in the areas of controllers for example to obtain high performance control of a system for this a good model of the system is required [3]. This paper focus on the different control techniques, including linear and nonlinear control, such as current mode control, PID control and sliding mode control (SMC), model predictive control, fuzzy control, hybrid control, for DC-DC boost converters have been studied [4]. Model predictive control (MPC) and fuzzy controllers are nonlinear controllers. These controllers are effective, most are complex. These controllers are difficult and expensive for practical application [4]. Now a day‟s current-mode scheme and linear control methods are most commonly used for controlling DC-DC boost converter but designing of current mode controller is not easy and linear control effects are limited [4].
world. Conversion of power from one level to another level achieved by using power switching devices. The performance of the converters mostly depends on its switching process. For maintaining the voltage at output constant irrespective of variations in DC input voltage and the load current, a control system must be required for the converter. This paper gives reviews of various control techniques for DC-DC Interleaved Boost Converter for power level conversion. Various control schemes, including linear and nonlinear control. In addition, various control techniques are compared in terms of their respective advantages and disadvantages.
Keywords—Boost Converter, Buck Converter, DC-DC Interleaved Boost converter(IBC), PID controller, Sliding Mode Control(SMC), Wind energy conversion system(WECS).
I. INTRODUCTION Importance of renewable energy is increasing worldwide. Conventional fossil fuel has a limited reserve capacity, high price and environmental concerns. Due to this reason renewable energy is an alternative source for conventional energy. Overall the world, exploration and research community is discovering all opportunities for the efficient energy conversion from freely available generous renewable energy sources [1]. Most of the popular renewable energy sources wind energy conversion system (WECS) has gain more interest due to its no carbon emission during operation and less space requirement [1]. From a fast few decades Wind energy conversion system (WECS) has been upgraded from the minimum tens of kilo watts to numerous megawatts. Overall the world investment in wind energy conversion system (WECS) is going to be expanded [2]. Power electronics deals with variety of converters that are used not only for signal level but more effectively for power level. The performance of the converters mostly depends on its switching process. For maintaining the output voltage constant irrespective of variations in DC source voltage Vin and the load current required a control system for the converter [3]. A suitable DC-DC converter is proposed for extremely efficient renewable energy systems. Interleaved Boost Converter applied for renewable energy applications. The advantages of interleaved boost converter are low input current ripple, faster
II. CONVERTERS TOPOLOGY A) DC - DC BOOST CONVERTER A boost converter also known as step-up converter, it steps up the input DC voltage and gives high DC voltage at the output. Boost converter mainly consist of a switching device like transistor, diode and one element is for energy storage. Ripple present in the output voltage reduce by connecting capacitor at the output, many of the times inductor are also connected [5].
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Fig.1. Boost Converter
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