International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 11 Issue: 08 | Aug 2024
p-ISSN: 2395-0072
www.irjet.net
Design and Implementation of a Robust Dual output Forward Converter for Space Application Sahana J K1, Dr. Anitha G S2, T K Nagaraju3, Bhoopendra Kumar Singh4 1P G Student, RV College of Engineering, Bengaluru
2Associate Professor, RV College of Engineering, Bengaluru
3Assistant Manager, Centum Electronics Limited, Bengaluru 4Director, Centum Electronics Limited, Bengaluru
---------------------------------------------------------------------------***--------------------------------------------------------------------------Abstract— This paper focuses on the design of a compatibility standards [3]. The rectification and filtering forward converter for space application to solve major problems in power management, efficiency, and reliability. The converter uses advanced technology to ensure stable operation in harsh environments. It incorporates key features such as EMI filtering, radiationhardened components, and thermal management systems to ensure durability in space. It includes a current transformer for sensing, an input under-voltage shutdown for protection, and a feedforward and PWM controller for output regulation. Magnetic Amplifiers and Optocouplers provide additional stability and isolation. Future advancement includes Al-driven control, and costeffective, eco-friendly designs. Simulation and testing will demonstrate the converter’s performance, ensuring it meets the space mission requirements.
stages transform the AC input into a stable DC output, which is then regulated by control circuits to maintain consistent power delivery under varying load conditions.
Index Terms— EMI, Magnetic Amplifiers, Optocouplers,
This paper analyzes SMPS architecture in-depth, emphasizing the essential functional blocks contributing to its operation. It outlines the core components, including the Electromagnetic Interference (EMI) filter, rectification and filtering stages, Pulse Width Modulation (PWM) control, and output regulation circuits. The EMI filter is vital in reducing noise emissions, and ensuring compliance with electromagnetic
The efficiency and performance of an SMPS are not only determined by the choice of topology but also by the meticulous design of its control and feedback mechanisms [5]. The Pulse Width Modulation (PWM) controller, a cornerstone of SMPS operation, regulates the duty cycle of the switching transistors, thereby controlling the output voltage and current [6]. Advanced PWM techniques, such as current-mode control and voltage-mode control, offer enhanced stability and response times, which are crucial for managing dynamic loads and minimizing ripple [7]. Additionally, the integration of feedforward compensation in the control loop can further improve transient response, making the power supply more resilient to sudden changes in input voltage or load demand. The design and selection of these components are critical, as they directly influence the power density, efficiency, and thermal management of the power supply.[8] By analyzing these factors, the study aims to provide a holistic understanding of the interplay between topology, control strategies, and component design, all of which contribute to the overall effectiveness of SMPS in various applications. A mag amp is a wire coil on a core with a square B-H characteristic. The coil has two operating modes: unsaturated, the core acts as a high inductance,
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PWM controller, feedforward.
1. INTRODUCTION
T
HE design of power supplies is a crucial factor in
determining the performance, efficiency, and reliability of modern electronic devices[1]. Among the various power supply configurations, Switched-Mode Power Supplies (SMPS) have gained widespread adoption due to their superior efficiency, compact design, and adaptability to various applications. SMPS technology is utilized in a variety of electronic systems, ranging from consumer electronics to industrial equipment, owing to its ability to convert electrical power with minimal energy loss efficiently [2].
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Impact Factor value: 8.315
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A critical aspect of SMPS design is the choice of topology, which can significantly influence the power supply performance. Common SMPS topologies include buck, boost, buck-boost, and flyback configurations, each with unique characteristics suited to different applications. For instance, the buck converter is ideal for stepping down voltage, while the boost converter is used for stepping up voltage.[4] The flyback topology is popular in low to medium power applications due to its simplicity and ability to provide multiple output voltages.
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