Preliminary Design Electronic Power System (EPS) Low Earth Orbit (LEO) Communication Microsatellite

Desti Ika Suryanti, D. Anggraeni, Ery Fitrianingsih, E. N. Nasser
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Abstract

The development of satellite technology provides great benefits in various fields, one of which is eliminating the distance limit in communication between human beings inside the hemisphere. Satellite technology's role is not simple in the telecommunications sector, in almost all fields such as the defense, marine, plantation, and agriculture sectors. Electronic Power System (EPS) is a crucial part of a satellite system that can generate, store and distribute power to all satellite electronic devices. If the EPS fails, the power supply to all electronic devices in the satellite device may be disrupted and result in a loss of mission. This paper describes the preliminary design of EPS for LEO micro-communication satellites based on basic satellite-level parameters such as orbital altitude, orbital slope, mission operation, and mission duration. The results of this study are an EPS for satellites with 28 V bus voltage, which distributes current and voltage on each channel used at 3.3 V, 5 V, and 12 V and can control the current and voltage when overloaded. This EPS also provides a minimum of 4 Automatic Fuses (AF), a minimum of 13 Fuses (FS), and a minimum of 25 switches (S) to control each device in the satellite system.
电子动力系统(EPS)低地球轨道通信微卫星初步设计
卫星技术的发展在各个领域都带来了巨大的好处,其中之一就是消除了半球内人类之间通信的距离限制。卫星技术的作用不仅仅是在电信部门,在几乎所有领域,如国防、海洋、种植园和农业部门。电子电源系统(EPS)是卫星系统的重要组成部分,能够为所有卫星电子设备产生、存储和分配电力。如果EPS发生故障,可能会导致卫星设备中所有电子设备的供电中断,从而导致任务失败。基于轨道高度、轨道坡度、任务运行、任务持续时间等基本星级参数,对低轨微通信卫星EPS进行初步设计。本研究的成果是一种28 V母线电压的卫星EPS,它在3.3 V、5 V和12 V时将电流和电压分配到每个通道上,并且在过载时可以控制电流和电压。该EPS还提供至少4个自动保险丝(AF),至少13个保险丝(FS)和至少25个开关(S)来控制卫星系统中的每个设备。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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